diff --git a/ui/litellm-dashboard/src/components/common_components/RouterSettingsAccordion.integration.test.tsx b/ui/litellm-dashboard/src/components/common_components/RouterSettingsAccordion.integration.test.tsx
new file mode 100644
index 00000000000..0f23e91207a
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/common_components/RouterSettingsAccordion.integration.test.tsx
@@ -0,0 +1,44 @@
+import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
+import { act, render, screen } from "@testing-library/react";
+import { useState } from "react";
+import { describe, expect, it, vi } from "vitest";
+import RouterSettingsAccordion, { RouterSettingsAccordionValue } from "./RouterSettingsAccordion";
+
+vi.mock("../networking", () => ({
+  getRouterSettingsCall: vi.fn().mockResolvedValue({}),
+  modelInfoCall: vi.fn().mockResolvedValue({ data: [] }),
+}));
+
+vi.mock("@/components/llm_calls/fetch_models", () => ({
+  fetchAvailableModels: vi.fn().mockResolvedValue([{ model_group: "gpt-5" }]),
+  fetchAvailableModelsForTeam: vi.fn().mockResolvedValue([{ model_group: "gpt-5" }]),
+}));
+
+const EchoingCreateForm = () => {
+  const [value, setValue] = useState<RouterSettingsAccordionValue | undefined>(undefined);
+  return <RouterSettingsAccordion accessToken="test-token" value={value} onChange={setValue} />;
+};
+
+describe("RouterSettingsAccordion on a create form", () => {
+  it("should render every reliability input after the parent echoes the first value back", async () => {
+    render(
+      <QueryClientProvider client={new QueryClient({ defaultOptions: { queries: { retry: false } } })}>
+        <EchoingCreateForm />
+      </QueryClientProvider>,
+    );
+    await act(async () => {
+      await new Promise((resolve) => setTimeout(resolve, 250));
+    });
+
+    for (const field of [
+      "allowed_fails",
+      "cooldown_time",
+      "num_retries",
+      "timeout",
+      "retry_after",
+      "model_group_alias",
+    ]) {
+      expect(screen.getByRole("textbox", { name: new RegExp(field) })).toBeEnabled();
+    }
+  });
+});
diff --git a/ui/litellm-dashboard/src/components/common_components/RouterSettingsAccordion.test.tsx b/ui/litellm-dashboard/src/components/common_components/RouterSettingsAccordion.test.tsx
index 6f819607e3f..827c1b60636 100644
--- a/ui/litellm-dashboard/src/components/common_components/RouterSettingsAccordion.test.tsx
+++ b/ui/litellm-dashboard/src/components/common_components/RouterSettingsAccordion.test.tsx
@@ -1,13 +1,18 @@
 import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
 import { act, fireEvent, render, screen, waitFor } from "@testing-library/react";
-import type { ReactElement, ReactNode } from "react";
+import { createRef, useState, type ReactElement, type ReactNode } from "react";
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 import type { RouterSettingsFormValue } from "../router_settings/RouterSettingsForm";
 import { fetchAvailableModels, fetchAvailableModelsForTeam } from "@/components/llm_calls/fetch_models";
-import RouterSettingsAccordion, { RouterSettingsAccordionValue } from "./RouterSettingsAccordion";
+import { getRouterSettingsCall, modelInfoCall } from "../networking";
+import RouterSettingsAccordion, {
+  RouterSettingsAccordionRef,
+  RouterSettingsAccordionValue,
+} from "./RouterSettingsAccordion";
 
 vi.mock("../networking", () => ({
   getRouterSettingsCall: vi.fn().mockResolvedValue({}),
+  modelInfoCall: vi.fn(),
 }));
 
 vi.mock("@/components/llm_calls/fetch_models", () => ({
@@ -130,6 +135,186 @@ describe("RouterSettingsAccordion", () => {
     expect(screen.getByTestId("available-models")).not.toHaveTextContent("slow-team-model");
   });
 
+  describe("deployment weights", () => {
+    const gpt5Deployments = {
+      data: [
+        { model_name: "gpt-5", litellm_params: { model: "openai/gpt-5" }, model_info: { id: "dep-openai" } },
+        { model_name: "gpt-5", litellm_params: { model: "azure/gpt-5" }, model_info: { id: "dep-azure" } },
+      ],
+    };
+
+    beforeEach(() => {
+      vi.mocked(modelInfoCall).mockResolvedValue(gpt5Deployments);
+    });
+
+    it("should save stored weights together with a newly entered one", async () => {
+      const ref = createRef<RouterSettingsAccordionRef>();
+      renderWithQueryClient(
+        <RouterSettingsAccordion
+          ref={ref}
+          accessToken="test-token"
+          teamId="team-123"
+          value={{ router_settings: { weights: { "gpt-5": { "dep-openai": 9 } } } }}
+        />,
+      );
+
+      fireEvent.change(await screen.findByLabelText("Weight for azure/gpt-5 (dep-azure)"), { target: { value: "1" } });
+
+      expect(await screen.findByText("90% of traffic")).toBeInTheDocument();
+      expect(screen.getByText("10% of traffic")).toBeInTheDocument();
+      expect(ref.current?.getValue().router_settings.weights).toStrictEqual({
+        "gpt-5": { "dep-openai": 9, "dep-azure": 1 },
+      });
+      expect(vi.mocked(modelInfoCall).mock.calls[0][7]).toBe("team-123");
+      expect(vi.mocked(modelInfoCall).mock.calls[0][11]).toBe("gpt-5");
+    });
+
+    it("should save null once every weight is cleared, so the stored weights are removed", async () => {
+      const ref = createRef<RouterSettingsAccordionRef>();
+      renderWithQueryClient(
+        <RouterSettingsAccordion
+          ref={ref}
+          accessToken="test-token"
+          value={{ router_settings: { weights: { "gpt-5": { "dep-openai": 9 } } } }}
+        />,
+      );
+
+      fireEvent.change(await screen.findByLabelText("Weight for openai/gpt-5 (dep-openai)"), { target: { value: "" } });
+
+      await waitFor(() => expect(ref.current?.getValue().router_settings.weights).toBeNull());
+    });
+
+    it("should keep a model group on screen when the parent echoes back the value it was sent", async () => {
+      const EchoingParent = () => {
+        const [value, setValue] = useState<RouterSettingsAccordionValue>({
+          router_settings: { weights: { "gpt-5": { "dep-openai": 9 } } },
+        });
+        return <RouterSettingsAccordion accessToken="test-token" value={value} onChange={setValue} />;
+      };
+      renderWithQueryClient(<EchoingParent />);
+
+      fireEvent.change(await screen.findByLabelText("Weight for openai/gpt-5 (dep-openai)"), { target: { value: "" } });
+      await act(async () => {
+        vi.advanceTimersByTime(200);
+      });
+
+      expect(screen.getByLabelText("Weight for openai/gpt-5 (dep-openai)")).toHaveValue("");
+      expect(screen.getByRole("button", { name: "Remove weights for gpt-5" })).toBeInTheDocument();
+    });
+
+    it("should say the deployments failed to load instead of calling saved weights stale", async () => {
+      vi.mocked(modelInfoCall).mockRejectedValue(new Error("403"));
+      const ref = createRef<RouterSettingsAccordionRef>();
+      renderWithQueryClient(
+        <RouterSettingsAccordion
+          ref={ref}
+          accessToken="test-token"
+          value={{ router_settings: { weights: { "gpt-5": { "dep-openai": 9 } } } }}
+        />,
+      );
+
+      expect(
+        await screen.findByText("Could not load this model group's deployments. Saved weights are kept."),
+      ).toBeInTheDocument();
+      expect(screen.queryByText("Deployment no longer exists")).not.toBeInTheDocument();
+      expect(ref.current?.getValue().router_settings.weights).toStrictEqual({ "gpt-5": { "dep-openai": 9 } });
+    });
+
+    it("should warn that weights are ignored when the inherited global strategy is not simple-shuffle", async () => {
+      vi.mocked(getRouterSettingsCall).mockResolvedValueOnce({
+        fields: [{ field_name: "routing_strategy", options: ["simple-shuffle"], field_value: "latency-based-routing" }],
+      });
+      renderWithQueryClient(
+        <RouterSettingsAccordion
+          accessToken="test-token"
+          value={{ router_settings: { weights: { "gpt-5": { "dep-openai": 9 } } } }}
+        />,
+      );
+
+      expect(
+        await screen.findByText("Weights are ignored with latency-based-routing. Select simple-shuffle to use them."),
+      ).toBeInTheDocument();
+    });
+
+    it("should accept a decimal weight typed one character at a time", async () => {
+      const ref = createRef<RouterSettingsAccordionRef>();
+      renderWithQueryClient(
+        <RouterSettingsAccordion
+          ref={ref}
+          accessToken="test-token"
+          value={{ router_settings: { weights: { "gpt-5": { "dep-openai": 9 } } } }}
+        />,
+      );
+      const input = await screen.findByLabelText("Weight for azure/gpt-5 (dep-azure)");
+
+      fireEvent.change(input, { target: { value: "1." } });
+      expect(input).toHaveValue("1.");
+      fireEvent.change(input, { target: { value: "1.5" } });
+
+      expect(input).toHaveValue("1.5");
+      expect(ref.current?.getValue().router_settings.weights).toStrictEqual({
+        "gpt-5": { "dep-openai": 9, "dep-azure": 1.5 },
+      });
+    });
+
+    it("should ignore keystrokes that would not save as a weight, so the field always shows the saved value", async () => {
+      const ref = createRef<RouterSettingsAccordionRef>();
+      renderWithQueryClient(
+        <RouterSettingsAccordion
+          ref={ref}
+          accessToken="test-token"
+          value={{ router_settings: { weights: { "gpt-5": { "dep-openai": 9 } } } }}
+        />,
+      );
+      const input = await screen.findByLabelText("Weight for openai/gpt-5 (dep-openai)");
+
+      fireEvent.change(input, { target: { value: "9x" } });
+      fireEvent.change(input, { target: { value: "-1" } });
+
+      expect(input).toHaveValue("9");
+      expect(ref.current?.getValue().router_settings.weights).toStrictEqual({ "gpt-5": { "dep-openai": 9 } });
+    });
+
+    it("should not call saved weights stale while the deployments are still loading", async () => {
+      vi.mocked(modelInfoCall).mockReturnValue(new Promise(() => {}));
+      renderWithQueryClient(
+        <RouterSettingsAccordion
+          accessToken="test-token"
+          value={{ router_settings: { weights: { "gpt-5": { "dep-openai": 9 } } } }}
+        />,
+      );
+
+      expect(await screen.findByText("dep-openai")).toBeInTheDocument();
+      expect(screen.queryByText("Deployment no longer exists")).not.toBeInTheDocument();
+    });
+
+    it("should drop weights picked for one team when the form switches to another team", async () => {
+      const ref = createRef<RouterSettingsAccordionRef>();
+      const value = { router_settings: { weights: { "gpt-5": { "dep-openai": 9 } } } };
+      const { rerender } = renderWithQueryClient(
+        <RouterSettingsAccordion ref={ref} accessToken="test-token" teamId="team-a" value={value} />,
+      );
+      await screen.findByLabelText("Weight for openai/gpt-5 (dep-openai)");
+
+      rerender(<RouterSettingsAccordion ref={ref} accessToken="test-token" teamId="team-b" value={value} />);
+
+      await waitFor(() => expect(ref.current?.getValue().router_settings.weights).toBeNull());
+    });
+
+    it("should flag a group whose weights are all zero", async () => {
+      renderWithQueryClient(
+        <RouterSettingsAccordion
+          accessToken="test-token"
+          value={{ router_settings: { weights: { "gpt-5": { "dep-openai": 0 } } } }}
+        />,
+      );
+
+      expect(
+        await screen.findByText("Set at least one weight above 0, or remove this model group."),
+      ).toBeInTheDocument();
+    });
+  });
+
   it("does not call onChange when unmounted mid-wait", async () => {
     const onChange = vi.fn<(value: RouterSettingsAccordionValue) => void>();
     const { unmount } = renderWithQueryClient(<RouterSettingsAccordion accessToken="test-token" onChange={onChange} />);
diff --git a/ui/litellm-dashboard/src/components/common_components/RouterSettingsAccordion.tsx b/ui/litellm-dashboard/src/components/common_components/RouterSettingsAccordion.tsx
index 68fbd294b7c..a89c4138970 100644
--- a/ui/litellm-dashboard/src/components/common_components/RouterSettingsAccordion.tsx
+++ b/ui/litellm-dashboard/src/components/common_components/RouterSettingsAccordion.tsx
@@ -9,6 +9,8 @@ import { Fallbacks } from "../Settings/RouterSettings/Fallbacks/AddFallbacks";
 import { FallbackSelectionForm } from "../Settings/RouterSettings/Fallbacks/FallbackSelectionForm";
 import { FallbackGroup } from "../Settings/RouterSettings/Fallbacks/FallbackGroupConfig";
 import { fetchAvailableModels, fetchAvailableModelsForTeam, ModelGroup } from "@/components/llm_calls/fetch_models";
+import RouterWeightsSection from "./RouterWeightsSection";
+import { RouterWeights, routerWeightsFrom, savedRouterWeights } from "./routerWeights";
 
 export interface RouterSettingsAccordionValue {
   router_settings: {
@@ -24,6 +26,7 @@ export interface RouterSettingsAccordionValue {
     model_group_alias?: { [key: string]: any } | null;
     enable_tag_filtering?: boolean;
     routing_strategy_args?: { [key: string]: any } | null;
+    weights?: RouterWeights | null;
   };
 }
 
@@ -41,20 +44,38 @@ export interface RouterSettingsAccordionRef {
 
 const PROPAGATE_WAIT_MS = 100;
 
+const EMPTY_RELIABILITY_SETTINGS = {
+  allowed_fails: null,
+  cooldown_time: null,
+  num_retries: null,
+  timeout: null,
+  retry_after: null,
+  model_group_alias: null,
+};
+
+const valueKeyOf = (settings: RouterSettingsAccordionValue["router_settings"]): string => {
+  const { routing_strategy, fallbacks, enable_tag_filtering, weights } = settings;
+  const identity = { routing_strategy, fallbacks, enable_tag_filtering, weights };
+  return JSON.stringify(identity);
+};
+
 const RouterSettingsAccordion = forwardRef<RouterSettingsAccordionRef, RouterSettingsAccordionProps>(
   ({ accessToken, value, onChange, modelData, teamId }, ref) => {
     const { t } = useTranslation();
     const [formValue, setFormValue] = useState<RouterSettingsFormValue>({
-      routerSettings: {},
+      routerSettings: EMPTY_RELIABILITY_SETTINGS,
       selectedStrategy: null,
       enableTagFiltering: false,
     });
     const [fallbacks, setFallbacks] = useState<Fallbacks>([]);
     const [fallbackGroups, setFallbackGroups] = useState<FallbackGroup[]>([]);
+    const [weights, setWeights] = useState<RouterWeights>({});
     const [availableRoutingStrategies, setAvailableRoutingStrategies] = useState<string[]>([]);
+    const [globalRoutingStrategy, setGlobalRoutingStrategy] = useState<string | null>(null);
     const [routerFieldsMetadata, setRouterFieldsMetadata] = useState<{ [key: string]: any }>({});
     const [routingStrategyDescriptions, setRoutingStrategyDescriptions] = useState<{ [key: string]: string }>({});
     const isInternalUpdateRef = useRef(false);
+    const weightsTeamIdRef = useRef(teamId);
     const lastInitializedValueRef = useRef<string | null>(null);
 
     // Convert fallbacks format to groups format
@@ -90,13 +111,7 @@ const RouterSettingsAccordion = forwardRef<RouterSettingsAccordionRef, RouterSet
     // Initialize from value prop if provided (only when value actually changes externally)
     useEffect(() => {
       // Create a stable key from the value to detect actual external changes
-      const valueKey = value?.router_settings
-        ? JSON.stringify({
-            routing_strategy: value.router_settings.routing_strategy,
-            fallbacks: value.router_settings.fallbacks,
-            enable_tag_filtering: value.router_settings.enable_tag_filtering,
-          })
-        : null;
+      const valueKey = value?.router_settings ? valueKeyOf(value.router_settings) : null;
 
       // Skip if this is an internal update (from our own onChange) and the value hasn't actually changed
       if (isInternalUpdateRef.current && valueKey === lastInitializedValueRef.current) {
@@ -118,7 +133,7 @@ const RouterSettingsAccordion = forwardRef<RouterSettingsAccordionRef, RouterSet
 
       if (value?.router_settings) {
         const rs = value.router_settings;
-        const { fallbacks: _, ...routerSettingsWithoutFallbacks } = rs;
+        const { fallbacks: _, weights: storedWeights, ...routerSettingsWithoutFallbacks } = rs;
         setFormValue({
           routerSettings: routerSettingsWithoutFallbacks as { [key: string]: any },
           selectedStrategy: rs.routing_strategy || null,
@@ -127,10 +142,11 @@ const RouterSettingsAccordion = forwardRef<RouterSettingsAccordionRef, RouterSet
         const initialFallbacks = rs.fallbacks || [];
         setFallbacks(initialFallbacks);
         setFallbackGroups(fallbacksToGroups(initialFallbacks));
+        setWeights(routerWeightsFrom(storedWeights));
       } else {
         // Initialize with empty defaults if no value provided
         setFormValue({
-          routerSettings: {},
+          routerSettings: EMPTY_RELIABILITY_SETTINGS,
           selectedStrategy: null,
           enableTagFiltering: false,
         });
@@ -142,9 +158,16 @@ const RouterSettingsAccordion = forwardRef<RouterSettingsAccordionRef, RouterSet
             fallbackModels: [],
           },
         ]);
+        setWeights({});
       }
     }, [value]);
 
+    useEffect(() => {
+      if (weightsTeamIdRef.current === teamId) return;
+      weightsTeamIdRef.current = teamId;
+      setWeights({});
+    }, [teamId]);
+
     // Fetch router settings metadata
     useEffect(() => {
       if (!accessToken) {
@@ -169,6 +192,7 @@ const RouterSettingsAccordion = forwardRef<RouterSettingsAccordionRef, RouterSet
           if (routingStrategyField?.options) {
             setAvailableRoutingStrategies(routingStrategyField.options);
           }
+          setGlobalRoutingStrategy(routingStrategyField?.field_value ?? null);
 
           // Store routing strategy descriptions
           if (data.routing_strategy_descriptions) {
@@ -297,6 +321,7 @@ const RouterSettingsAccordion = forwardRef<RouterSettingsAccordionRef, RouterSet
         model_group_alias: normalizeValue(updatedVariables.model_group_alias),
         enable_tag_filtering: formValue.enableTagFiltering,
         routing_strategy_args: normalizeValue(updatedVariables.routing_strategy_args),
+        weights: savedRouterWeights(weights),
       };
     };
 
@@ -307,6 +332,7 @@ const RouterSettingsAccordion = forwardRef<RouterSettingsAccordionRef, RouterSet
         }
         isInternalUpdateRef.current = true;
         const finalRouterSettings = buildRouterSettings();
+        lastInitializedValueRef.current = valueKeyOf(finalRouterSettings);
         onChange({
           router_settings: finalRouterSettings,
         });
@@ -321,7 +347,7 @@ const RouterSettingsAccordion = forwardRef<RouterSettingsAccordionRef, RouterSet
       }
       debouncedPropagate();
       // eslint-disable-next-line react-hooks/exhaustive-deps
-    }, [formValue, fallbacks]);
+    }, [formValue, fallbacks, weights]);
 
     const handleFallbackGroupsChange = (newGroups: FallbackGroup[]): void => {
       setFallbackGroups(newGroups);
@@ -360,6 +386,16 @@ const RouterSettingsAccordion = forwardRef<RouterSettingsAccordionRef, RouterSet
                 availableRoutingStrategies={availableRoutingStrategies}
                 routingStrategyDescriptions={routingStrategyDescriptions}
               />
+              <div className="mt-8 border-t border-border pt-8">
+                <RouterWeightsSection
+                  accessToken={accessToken}
+                  teamId={teamId}
+                  availableModels={availableModels}
+                  selectedStrategy={formValue.selectedStrategy ?? globalRoutingStrategy}
+                  weights={weights}
+                  onChange={setWeights}
+                />
+              </div>
             </TabsContent>
             <TabsContent value="2" keepMounted>
               <FallbackSelectionForm
diff --git a/ui/litellm-dashboard/src/components/common_components/RouterSettingsSummary.test.tsx b/ui/litellm-dashboard/src/components/common_components/RouterSettingsSummary.test.tsx
index 51eecc421a7..f26b05eb62a 100644
--- a/ui/litellm-dashboard/src/components/common_components/RouterSettingsSummary.test.tsx
+++ b/ui/litellm-dashboard/src/components/common_components/RouterSettingsSummary.test.tsx
@@ -20,6 +20,15 @@ describe("RouterSettingsSummary", () => {
     expect(screen.getByText("Number of Retries: 3")).toBeInTheDocument();
   });
 
+  it("should list each weighted model group with its deployment weights", () => {
+    render(<RouterSettingsSummary routerSettings={{ weights: { "gpt-5": { "dep-a": 9, "dep-b": 1 }, empty: {} } }} />);
+
+    expect(screen.getByText("Deployment Weights:")).toBeInTheDocument();
+    expect(screen.getByText("gpt-5")).toBeInTheDocument();
+    expect(screen.getByText("dep-a: 9, dep-b: 1")).toBeInTheDocument();
+    expect(screen.queryByText("empty")).not.toBeInTheDocument();
+  });
+
   it("should show the empty state when every setting is null", () => {
     render(<RouterSettingsSummary routerSettings={{ fallbacks: null, num_retries: null }} />);
 
diff --git a/ui/litellm-dashboard/src/components/common_components/RouterSettingsSummary.tsx b/ui/litellm-dashboard/src/components/common_components/RouterSettingsSummary.tsx
index f99a154fe3d..89ec0873920 100644
--- a/ui/litellm-dashboard/src/components/common_components/RouterSettingsSummary.tsx
+++ b/ui/litellm-dashboard/src/components/common_components/RouterSettingsSummary.tsx
@@ -2,6 +2,7 @@ import { useTranslation } from "react-i18next";
 import { Badge } from "@/components/ui/badge";
 import i18n from "@/i18n/i18n";
 import { hasRouterSettings } from "./routerSettingsPayload";
+import { routerWeightsFrom, savedRouterWeights } from "./routerWeights";
 
 interface RouterSettingsSummaryProps {
   routerSettings: Record<string, unknown> | null | undefined;
@@ -15,6 +16,28 @@ const fallbackEntries = (fallbacks: unknown): Array<[string, string[]]> => {
   );
 };
 
+export function RouterWeightsSummary({ weights }: { weights: unknown }) {
+  const { t } = useTranslation();
+  const saved = savedRouterWeights(routerWeightsFrom(weights));
+  if (!saved) return null;
+  return (
+    <div>
+      <div>{t("routerWeights.summary")}</div>
+      <div className="mt-1 space-y-1">
+        {Object.entries(saved).map(([group, groupWeights]) => (
+          <div key={group} className="text-xs text-muted-foreground">
+            <span className="font-medium">{group}</span>
+            <span className="mx-1 text-muted-foreground">-&gt;</span>
+            {Object.entries(groupWeights)
+              .map(([deploymentId, weight]) => `${deploymentId}: ${weight}`)
+              .join(", ")}
+          </div>
+        ))}
+      </div>
+    </div>
+  );
+}
+
 export default function RouterSettingsSummary({
   routerSettings,
   emptyText = i18n.t("routerSettingsSummary.empty"),
@@ -63,6 +86,7 @@ export default function RouterSettingsSummary({
           </div>
         </div>
       )}
+      <RouterWeightsSummary weights={settings.weights} />
     </div>
   );
 }
diff --git a/ui/litellm-dashboard/src/components/common_components/RouterWeightsSection.tsx b/ui/litellm-dashboard/src/components/common_components/RouterWeightsSection.tsx
new file mode 100644
index 00000000000..32c5e70a71f
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/common_components/RouterWeightsSection.tsx
@@ -0,0 +1,206 @@
+import { useQuery } from "@tanstack/react-query";
+import { AlertCircle, X } from "lucide-react";
+import { useId, useState } from "react";
+import { useTranslation } from "react-i18next";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { SearchSelect } from "@/components/shared/SearchSelect";
+import { modelInfoCall } from "../networking";
+import {
+  GroupWeights,
+  RouterWeights,
+  WeightableDeployment,
+  hasNoPositiveWeight,
+  parseWeightInput,
+  weightRows,
+  withDeploymentWeight,
+  withGroup,
+  withoutGroup,
+} from "./routerWeights";
+
+const WEIGHTED_STRATEGY = "simple-shuffle";
+const DEPLOYMENTS_PAGE_SIZE = 1000;
+
+interface RouterWeightsSectionProps {
+  accessToken: string;
+  teamId?: string | null;
+  availableModels: string[];
+  selectedStrategy: string | null;
+  weights: RouterWeights;
+  onChange: (weights: RouterWeights) => void;
+}
+
+interface WeightGroupProps {
+  accessToken: string;
+  teamId?: string | null;
+  group: string;
+  groupWeights: GroupWeights;
+  onWeightChange: (deploymentId: string, weight: number | null) => void;
+  onRemove: () => void;
+}
+
+interface WeightInputProps {
+  label: string;
+  weight: number | null;
+  onChange: (weight: number | null) => void;
+}
+
+const formatWeight = (weight: number | null): string => (weight === null ? "" : String(weight));
+
+function WeightInput({ label, weight, onChange }: WeightInputProps) {
+  const [draft, setDraft] = useState(formatWeight(weight));
+  const [shownWeight, setShownWeight] = useState(weight);
+  if (weight !== shownWeight) {
+    setShownWeight(weight);
+    if (parseWeightInput(draft) !== weight) setDraft(formatWeight(weight));
+  }
+
+  const handleChange = (event: React.ChangeEvent<HTMLInputElement>) => {
+    const parsed = parseWeightInput(event.target.value);
+    if (parsed === undefined) return;
+    setDraft(event.target.value);
+    onChange(parsed);
+  };
+
+  return (
+    <Input type="text" inputMode="decimal" className="w-28" aria-label={label} value={draft} onChange={handleChange} />
+  );
+}
+
+function WeightGroup({ accessToken, teamId, group, groupWeights, onWeightChange, onRemove }: WeightGroupProps) {
+  const { t } = useTranslation();
+  const {
+    data: deployments = [],
+    isLoading,
+    isError,
+  } = useQuery<WeightableDeployment[]>({
+    queryKey: ["routerWeightDeployments", accessToken, teamId ?? null, group],
+    queryFn: async () =>
+      (
+        await modelInfoCall(
+          accessToken,
+          "",
+          "",
+          1,
+          DEPLOYMENTS_PAGE_SIZE,
+          undefined,
+          undefined,
+          teamId ?? undefined,
+          undefined,
+          undefined,
+          undefined,
+          group,
+        )
+      ).data ?? [],
+    enabled: Boolean(accessToken),
+  });
+  const rows = weightRows(group, groupWeights, deployments, teamId ?? null);
+  const deploymentsKnown = !isLoading && !isError;
+  const noDeployments = deploymentsKnown && rows.length === 0;
+
+  return (
+    <div className="rounded-md border border-border p-4 space-y-3">
+      <div className="flex items-center justify-between">
+        <span className="text-sm font-semibold text-foreground">{group}</span>
+        <Button
+          type="button"
+          variant="ghost"
+          size="icon-xs"
+          aria-label={t("routerWeights.removeGroup", { group })}
+          onClick={onRemove}
+        >
+          <X />
+        </Button>
+      </div>
+      {isError && (
+        <p role="alert" className="text-xs text-destructive">
+          {t("routerWeights.loadFailed")}
+        </p>
+      )}
+      {noDeployments && <p className="text-xs text-muted-foreground">{t("routerWeights.noDeployments")}</p>}
+      {rows.map((row) => (
+        <div key={row.deploymentId} className="flex items-center gap-3">
+          <div className="min-w-0 flex-1">
+            <div className="truncate text-sm text-foreground">
+              {row.label ?? (deploymentsKnown ? t("routerWeights.unknownDeployment") : "")}
+            </div>
+            <div className="truncate text-xs text-muted-foreground">{row.deploymentId}</div>
+          </div>
+          <WeightInput
+            label={t("routerWeights.weightFor", {
+              deployment: row.label ? `${row.label} (${row.deploymentId})` : row.deploymentId,
+            })}
+            weight={row.weight}
+            onChange={(weight) => onWeightChange(row.deploymentId, weight)}
+          />
+          <span className="w-24 text-right text-xs text-muted-foreground">
+            {row.sharePercent === null ? "" : t("routerWeights.share", { percent: row.sharePercent })}
+          </span>
+        </div>
+      ))}
+      {hasNoPositiveWeight(groupWeights) && (
+        <p role="alert" className="flex items-center gap-2 text-xs text-destructive">
+          <AlertCircle className="size-4" />
+          {t("routerWeights.noPositiveWeight")}
+        </p>
+      )}
+    </div>
+  );
+}
+
+export default function RouterWeightsSection({
+  accessToken,
+  teamId,
+  availableModels,
+  selectedStrategy,
+  weights,
+  onChange,
+}: RouterWeightsSectionProps) {
+  const { t } = useTranslation();
+  const addGroupInputId = useId();
+  const unweightedModels = availableModels.filter((model) => !(model in weights));
+  const ignoredByStrategy = Boolean(selectedStrategy) && selectedStrategy !== WEIGHTED_STRATEGY;
+
+  return (
+    <div className="space-y-4">
+      <div className="max-w-3xl">
+        <h3 className="text-sm font-medium text-foreground">{t("routerWeights.title")}</h3>
+        <p className="mt-1 text-xs text-muted-foreground">{t("routerWeights.description")}</p>
+      </div>
+      {ignoredByStrategy && Object.keys(weights).length > 0 && (
+        <div className="flex items-center gap-2 rounded-sm bg-warning/10 p-2 text-xs text-warning">
+          <AlertCircle className="size-4" />
+          <span>{t("routerWeights.ignoredForStrategy", { strategy: selectedStrategy })}</span>
+        </div>
+      )}
+      {Object.entries(weights).map(([group, groupWeights]) => (
+        <WeightGroup
+          key={group}
+          accessToken={accessToken}
+          teamId={teamId}
+          group={group}
+          groupWeights={groupWeights}
+          onWeightChange={(deploymentId, weight) =>
+            onChange(withDeploymentWeight(weights, group, deploymentId, weight))
+          }
+          onRemove={() => onChange(withoutGroup(weights, group))}
+        />
+      ))}
+      <div className="max-w-md">
+        <label htmlFor={addGroupInputId} className="mb-2 block text-sm font-medium text-foreground">
+          {t("routerWeights.addGroup")}
+        </label>
+        <SearchSelect
+          inputId={addGroupInputId}
+          options={unweightedModels.map((model) => ({ label: model, value: model }))}
+          value={null}
+          onValueChange={(group) => {
+            if (group) onChange(withGroup(weights, group));
+          }}
+          placeholder={t("routerWeights.addGroupPlaceholder")}
+          emptyText={t("routerWeights.noModels")}
+        />
+      </div>
+    </div>
+  );
+}
diff --git a/ui/litellm-dashboard/src/components/common_components/routerSettingsPayload.test.ts b/ui/litellm-dashboard/src/components/common_components/routerSettingsPayload.test.ts
index 542ed17d7a2..05645a50b41 100644
--- a/ui/litellm-dashboard/src/components/common_components/routerSettingsPayload.test.ts
+++ b/ui/litellm-dashboard/src/components/common_components/routerSettingsPayload.test.ts
@@ -101,9 +101,18 @@ describe("routerSettingsUpdate", () => {
       model_group_alias: null,
       enable_tag_filtering: null,
       routing_strategy_args: null,
+      weights: null,
     });
   });
 
+  it("should replace stored weights with the edited ones, including clearing them", () => {
+    const stored = { weights: { "gpt-4": { "dep-a": 9, "dep-b": 1 } }, num_retries: 2 };
+    expect(routerSettingsUpdate({ num_retries: 2, weights: { "gpt-4": { "dep-a": 1 } } }, stored)).toMatchObject({
+      weights: { "gpt-4": { "dep-a": 1 } },
+    });
+    expect(routerSettingsUpdate({ num_retries: 2, weights: null }, stored)).toMatchObject({ weights: null });
+  });
+
   it("should send the edited settings when the user configured something", () => {
     expect(routerSettingsUpdate({ fallbacks }, null)).toMatchObject({ fallbacks });
   });
diff --git a/ui/litellm-dashboard/src/components/common_components/routerSettingsPayload.ts b/ui/litellm-dashboard/src/components/common_components/routerSettingsPayload.ts
index 1d048425a6d..1bf6d0ef252 100644
--- a/ui/litellm-dashboard/src/components/common_components/routerSettingsPayload.ts
+++ b/ui/litellm-dashboard/src/components/common_components/routerSettingsPayload.ts
@@ -15,6 +15,7 @@ const EDITOR_OWNED_FIELDS: Record<keyof RouterSettings, true> = {
   model_group_alias: true,
   enable_tag_filtering: true,
   routing_strategy_args: true,
+  weights: true,
 };
 
 const EDITOR_OWNED_KEYS = Object.keys(EDITOR_OWNED_FIELDS) as Array<keyof RouterSettings>;
diff --git a/ui/litellm-dashboard/src/components/common_components/routerWeights.test.ts b/ui/litellm-dashboard/src/components/common_components/routerWeights.test.ts
new file mode 100644
index 00000000000..3df42281bf5
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/common_components/routerWeights.test.ts
@@ -0,0 +1,152 @@
+import { describe, expect, it } from "vitest";
+import {
+  hasNoPositiveWeight,
+  parseWeightInput,
+  routerWeightsFrom,
+  savedRouterWeights,
+  weightRows,
+  withDeploymentWeight,
+  withGroup,
+  withoutGroup,
+} from "./routerWeights";
+
+const deployment = (id: string, modelName: string, model: string, team?: { id: string; publicName: string }) => ({
+  model_name: modelName,
+  litellm_params: { model },
+  model_info: { id, ...(team ? { team_id: team.id, team_public_model_name: team.publicName } : {}) },
+});
+
+describe("routerWeightsFrom", () => {
+  it("should keep well-formed groups and drop malformed weights from the stored blob", () => {
+    expect(
+      routerWeightsFrom({
+        "gpt-5": { a: 9, b: 1, bad: "1", negative: -1, inf: Infinity },
+        broken: [1, 2],
+      }),
+    ).toStrictEqual({ "gpt-5": { a: 9, b: 1 } });
+  });
+
+  it("should read missing or non-object weights as none", () => {
+    expect(routerWeightsFrom(undefined)).toStrictEqual({});
+    expect(routerWeightsFrom(null)).toStrictEqual({});
+    expect(routerWeightsFrom("x")).toStrictEqual({});
+  });
+});
+
+describe("weight edits", () => {
+  it("should set, replace and clear one deployment without touching others", () => {
+    const start = { "gpt-5": { a: 9 }, other: { c: 2 } };
+    const added = withDeploymentWeight(start, "gpt-5", "b", 1);
+    expect(added).toStrictEqual({ "gpt-5": { a: 9, b: 1 }, other: { c: 2 } });
+    expect(withDeploymentWeight(added, "gpt-5", "a", 3)).toStrictEqual({ "gpt-5": { a: 3, b: 1 }, other: { c: 2 } });
+    expect(withDeploymentWeight(added, "gpt-5", "a", null)).toStrictEqual({ "gpt-5": { b: 1 }, other: { c: 2 } });
+    expect(start).toStrictEqual({ "gpt-5": { a: 9 }, other: { c: 2 } });
+  });
+
+  it("should add an empty group once and remove a group entirely", () => {
+    const withEmpty = withGroup({ "gpt-5": { a: 9 } }, "claude");
+    expect(withEmpty).toStrictEqual({ "gpt-5": { a: 9 }, claude: {} });
+    expect(withGroup(withEmpty, "gpt-5")).toBe(withEmpty);
+    expect(withoutGroup(withEmpty, "gpt-5")).toStrictEqual({ claude: {} });
+  });
+});
+
+describe("savedRouterWeights", () => {
+  it("should drop groups with no weights so they are not saved", () => {
+    expect(savedRouterWeights({ "gpt-5": { a: 0, b: 2 }, claude: {} })).toStrictEqual({ "gpt-5": { a: 0, b: 2 } });
+  });
+
+  it("should save no weights as null so the field is cleared", () => {
+    expect(savedRouterWeights({})).toBeNull();
+    expect(savedRouterWeights({ claude: {} })).toBeNull();
+  });
+});
+
+describe("hasNoPositiveWeight", () => {
+  it("should flag a group whose weights are all zero, as the proxy rejects it", () => {
+    expect(hasNoPositiveWeight({ a: 0, b: 0 })).toBe(true);
+    expect(hasNoPositiveWeight({ a: 0, b: 0.5 })).toBe(false);
+    expect(hasNoPositiveWeight({})).toBe(false);
+  });
+});
+
+describe("weightRows", () => {
+  it("should list the group's deployments with each one's share of traffic", () => {
+    const rows = weightRows(
+      "gpt-5",
+      { a: 9, b: 1 },
+      [
+        deployment("a", "gpt-5", "openai/gpt-5"),
+        deployment("b", "gpt-5", "azure/gpt-5"),
+        deployment("c", "gpt-5", "bedrock/gpt-5"),
+      ],
+      null,
+    );
+    expect(rows).toStrictEqual([
+      { deploymentId: "a", label: "openai/gpt-5", weight: 9, sharePercent: 90 },
+      { deploymentId: "b", label: "azure/gpt-5", weight: 1, sharePercent: 10 },
+      { deploymentId: "c", label: "bedrock/gpt-5", weight: null, sharePercent: 0 },
+    ]);
+  });
+
+  it("should match team deployments by their public model name, not their internal routing name", () => {
+    const rows = weightRows(
+      "gpt-5",
+      {},
+      [
+        deployment("team-dep", "model_name_team-1_abc", "openai/gpt-5", { id: "team-1", publicName: "gpt-5" }),
+        deployment("other-group", "gpt-5-mini", "openai/gpt-5-mini"),
+      ],
+      "team-1",
+    );
+    expect(rows.map((row) => row.deploymentId)).toStrictEqual(["team-dep"]);
+  });
+
+  it("should group a deployment with no team by its model name even if it carries a public name", () => {
+    const orphanedPublicName = {
+      model_name: "gpt-5-internal",
+      litellm_params: { model: "openai/gpt-5" },
+      model_info: { id: "x", team_public_model_name: "gpt-5" },
+    };
+    expect(weightRows("gpt-5", {}, [orphanedPublicName], null)).toStrictEqual([]);
+    expect(weightRows("gpt-5-internal", {}, [orphanedPublicName], null)).toHaveLength(1);
+  });
+
+  it("should leave out another team's deployments, which the proxy rejects", () => {
+    const deployments = [
+      deployment("global", "gpt-5", "openai/gpt-5"),
+      deployment("team-1-dep", "model_name_team-1_abc", "openai/gpt-5", { id: "team-1", publicName: "gpt-5" }),
+      deployment("team-2-dep", "model_name_team-2_def", "openai/gpt-5", { id: "team-2", publicName: "gpt-5" }),
+    ];
+    expect(weightRows("gpt-5", {}, deployments, "team-1").map((row) => row.deploymentId)).toStrictEqual([
+      "global",
+      "team-1-dep",
+    ]);
+    expect(weightRows("gpt-5", {}, deployments, null).map((row) => row.deploymentId)).toStrictEqual(["global"]);
+  });
+
+  it("should show no share until some weight is set", () => {
+    const rows = weightRows("gpt-5", {}, [deployment("a", "gpt-5", "openai/gpt-5")], null);
+    expect(rows[0].sharePercent).toBeNull();
+  });
+
+  it("should keep a weighted id whose deployment is gone so it can still be cleared", () => {
+    const rows = weightRows("gpt-5", { a: 1, deleted: 1 }, [deployment("a", "gpt-5", "openai/gpt-5")], null);
+    const staleRow = { deploymentId: "deleted", label: null, weight: 1, sharePercent: 50 };
+    expect(rows[1]).toStrictEqual(staleRow);
+  });
+});
+
+describe("parseWeightInput", () => {
+  it("should accept non-negative numbers, clear on empty and reject the rest", () => {
+    expect(parseWeightInput("2.5")).toBe(2.5);
+    expect(parseWeightInput("0")).toBe(0);
+    expect(parseWeightInput("  ")).toBeNull();
+    expect(parseWeightInput("-1")).toBeUndefined();
+    expect(parseWeightInput("abc")).toBeUndefined();
+    expect(parseWeightInput("1.")).toBe(1);
+    expect(parseWeightInput(".")).toBeUndefined();
+    expect(parseWeightInput("1e3")).toBeUndefined();
+    expect(parseWeightInput("0x10")).toBeUndefined();
+  });
+});
diff --git a/ui/litellm-dashboard/src/components/common_components/routerWeights.ts b/ui/litellm-dashboard/src/components/common_components/routerWeights.ts
new file mode 100644
index 00000000000..16f428cade8
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/common_components/routerWeights.ts
@@ -0,0 +1,105 @@
+export type GroupWeights = Readonly<Record<string, number>>;
+export type RouterWeights = Readonly<Record<string, GroupWeights>>;
+
+export interface WeightableDeployment {
+  model_name?: string | null;
+  litellm_params?: { model?: string | null } | null;
+  model_info?: { id?: string | null; team_id?: string | null; team_public_model_name?: string | null } | null;
+}
+
+export interface WeightRow {
+  deploymentId: string;
+  label: string | null;
+  weight: number | null;
+  sharePercent: number | null;
+}
+
+const isRecord = (value: unknown): value is Record<string, unknown> =>
+  typeof value === "object" && value !== null && !Array.isArray(value);
+
+const isWeight = (value: unknown): value is number => typeof value === "number" && Number.isFinite(value) && value >= 0;
+
+export const routerWeightsFrom = (stored: unknown): RouterWeights =>
+  isRecord(stored)
+    ? Object.fromEntries(
+        Object.entries(stored)
+          .filter((entry): entry is [string, Record<string, unknown>] => isRecord(entry[1]))
+          .map(([group, weights]) => [
+            group,
+            Object.fromEntries(
+              Object.entries(weights).filter((entry): entry is [string, number] => isWeight(entry[1])),
+            ),
+          ]),
+      )
+    : {};
+
+const deploymentGroup = (deployment: WeightableDeployment): string | null =>
+  (deployment.model_info?.team_id ? deployment.model_info.team_public_model_name : null) ||
+  deployment.model_name ||
+  null;
+
+const isWeightable = (deployment: WeightableDeployment, group: string, teamId: string | null): boolean => {
+  const ownerTeamId = deployment.model_info?.team_id ?? null;
+  const visibleToCaller = ownerTeamId === null || ownerTeamId === teamId;
+  return deploymentGroup(deployment) === group && Boolean(deployment.model_info?.id) && visibleToCaller;
+};
+
+export const withGroup = (weights: RouterWeights, group: string): RouterWeights =>
+  group in weights ? weights : { ...weights, [group]: {} };
+
+export const withoutGroup = (weights: RouterWeights, group: string): RouterWeights =>
+  Object.fromEntries(Object.entries(weights).filter(([name]) => name !== group));
+
+export const withDeploymentWeight = (
+  weights: RouterWeights,
+  group: string,
+  deploymentId: string,
+  weight: number | null,
+): RouterWeights => {
+  const others = Object.fromEntries(Object.entries(weights[group] ?? {}).filter(([id]) => id !== deploymentId));
+  return { ...weights, [group]: weight === null ? others : { ...others, [deploymentId]: weight } };
+};
+
+export const savedRouterWeights = (weights: RouterWeights): RouterWeights | null => {
+  const nonEmpty = Object.entries(weights).filter(([, group]) => Object.keys(group).length > 0);
+  return nonEmpty.length > 0 ? Object.fromEntries(nonEmpty) : null;
+};
+
+export const hasNoPositiveWeight = (group: GroupWeights): boolean =>
+  Object.keys(group).length > 0 && !Object.values(group).some((weight) => weight > 0);
+
+export const weightRows = (
+  group: string,
+  groupWeights: GroupWeights,
+  deployments: readonly WeightableDeployment[],
+  teamId: string | null,
+): WeightRow[] => {
+  const total = Object.values(groupWeights).reduce((sum, weight) => sum + weight, 0);
+  const row = (deploymentId: string, label: string | null): WeightRow => {
+    const weight = groupWeights[deploymentId] ?? null;
+    return {
+      deploymentId,
+      label,
+      weight,
+      sharePercent: total > 0 ? Math.round(((weight ?? 0) / total) * 100) : null,
+    };
+  };
+  const current = deployments
+    .filter((deployment) => isWeightable(deployment, group, teamId))
+    .map((deployment) => row(deployment.model_info!.id!, deployment.litellm_params?.model ?? null));
+  const currentIds = new Set(current.map(({ deploymentId }) => deploymentId));
+  const stale = Object.keys(groupWeights)
+    .filter((deploymentId) => !currentIds.has(deploymentId))
+    .map((deploymentId) => row(deploymentId, null));
+  return [...current, ...stale];
+};
+
+const WEIGHT_DRAFT = /^(\d+\.?\d*|\.\d+)?$/;
+
+export const parseWeightInput = (raw: string): number | null | undefined => {
+  const trimmed = raw.trim();
+  if (!WEIGHT_DRAFT.test(trimmed)) return undefined;
+  if (trimmed === "") return null;
+  const weight = Number(trimmed);
+  return isWeight(weight) ? weight : undefined;
+};
diff --git a/ui/litellm-dashboard/src/components/organisms/create_key_button.integration.test.tsx b/ui/litellm-dashboard/src/components/organisms/create_key_button.integration.test.tsx
index 0fbe043c0d1..bbc849167cc 100644
--- a/ui/litellm-dashboard/src/components/organisms/create_key_button.integration.test.tsx
+++ b/ui/litellm-dashboard/src/components/organisms/create_key_button.integration.test.tsx
@@ -173,6 +173,7 @@ const ROUTER_SETTINGS_DEFAULT = {
   model_group_alias: null,
   enable_tag_filtering: false,
   routing_strategy_args: null,
+  weights: null,
 };
 
 const SECTION_PAYLOAD_ADDITIONS: Record<keyof typeof SECTIONS, Record<string, unknown>> = {
diff --git a/ui/litellm-dashboard/src/components/organisms/create_key_button.tsx b/ui/litellm-dashboard/src/components/organisms/create_key_button.tsx
index ce780a221fd..dee936c4be0 100644
--- a/ui/litellm-dashboard/src/components/organisms/create_key_button.tsx
+++ b/ui/litellm-dashboard/src/components/organisms/create_key_button.tsx
@@ -1784,6 +1784,7 @@ const CreateKey: React.FC<CreateKeyProps> = ({ team, teams, data, addKey, autoOp
                               key={routerSettingsKey}
                               ref={routerSettingsRef}
                               accessToken={accessToken || ""}
+                              teamId={selectedCreateKeyTeam?.team_id}
                               value={routerSettings || undefined}
                               onChange={setRouterSettings}
                               modelData={
diff --git a/ui/litellm-dashboard/src/components/team/TeamInfo.tsx b/ui/litellm-dashboard/src/components/team/TeamInfo.tsx
index c6b485a57a1..3d67bed5d93 100644
--- a/ui/litellm-dashboard/src/components/team/TeamInfo.tsx
+++ b/ui/litellm-dashboard/src/components/team/TeamInfo.tsx
@@ -114,6 +114,7 @@ import SearchToolSelector from "../search_tools/SearchToolSelector";
 import SkillSelector from "../skills/SkillSelector";
 import EditLoggingSettings from "./EditLoggingSettings";
 import RouterSettingsAccordion, { RouterSettingsAccordionRef } from "../common_components/RouterSettingsAccordion";
+import { RouterWeightsSummary } from "../common_components/RouterSettingsSummary";
 import { StorePromptsToggle } from "../common_components/StorePromptsToggle";
 import MemberModal from "./EditMembership";
 import MemberPermissions from "./member_permissions";
@@ -2673,6 +2674,7 @@ const TeamInfoView: React.FC<TeamInfoProps> = ({
                     {info.router_settings.enable_tag_filtering && (
                       <div>{t("teams.teamInfo.settingsView.router.tagFilteringEnabled")}</div>
                     )}
+                    <RouterWeightsSummary weights={info.router_settings.weights} />
                   </div>
                 ) : (
                   <div className="text-muted-foreground">{t("teams.teamInfo.settingsView.router.none")}</div>
diff --git a/ui/litellm-dashboard/src/i18n/locales/en.json b/ui/litellm-dashboard/src/i18n/locales/en.json
index d4ed30d51b2..06b3e4d6b19 100644
--- a/ui/litellm-dashboard/src/i18n/locales/en.json
+++ b/ui/litellm-dashboard/src/i18n/locales/en.json
@@ -20380,5 +20380,21 @@
       "query": "query",
       "request": "request"
     }
+  },
+  "routerWeights": {
+    "title": "Deployment Weights",
+    "description": "Split a model group's traffic across its deployments. A deployment with no weight gets no traffic once any weight in its group is set. Weights only apply with the simple-shuffle routing strategy.",
+    "ignoredForStrategy": "Weights are ignored with {{strategy}}. Select simple-shuffle to use them.",
+    "addGroup": "Add a model group",
+    "addGroupPlaceholder": "Select a model group to weight",
+    "noModels": "No model groups found",
+    "noDeployments": "No deployments found for this model group",
+    "unknownDeployment": "Deployment no longer exists",
+    "weightFor": "Weight for {{deployment}}",
+    "share": "{{percent}}% of traffic",
+    "noPositiveWeight": "Set at least one weight above 0, or remove this model group.",
+    "removeGroup": "Remove weights for {{group}}",
+    "summary": "Deployment Weights:",
+    "loadFailed": "Could not load this model group's deployments. Saved weights are kept."
   }
 }