diff --git a/ui/litellm-dashboard/src/components/model_info_view.test.tsx b/ui/litellm-dashboard/src/components/model_info_view.test.tsx
index 3db9418dfb9..203fb3ff46d 100644
--- a/ui/litellm-dashboard/src/components/model_info_view.test.tsx
+++ b/ui/litellm-dashboard/src/components/model_info_view.test.tsx
@@ -303,7 +303,28 @@ describe("ModelInfoView", () => {
     await user.click(testButton);
 
     await waitFor(() => {
-      expect(mockToast.error).toHaveBeenCalled();
+      expect(mockToast.fromError).toHaveBeenCalled();
+    });
+  });
+
+  it("should not truncate the connection test error message", async () => {
+    // Regression test: the error toast used to cut the message to 100 chars
+    // via truncateString, hiding the actual provider error from the user.
+    const user = userEvent.setup();
+    const longMessage = "Bedrock_mantleException - " + "x".repeat(150);
+    mockTestConnectionRequest.mockRejectedValue(new Error(longMessage));
+
+    render(<ModelInfoView {...DEFAULT_ADMIN_PROPS} />, { wrapper });
+
+    await waitFor(() => {
+      expect(screen.getByText("Model Settings")).toBeInTheDocument();
+    });
+
+    const testButton = screen.getByRole("button", { name: /test connection/i });
+    await user.click(testButton);
+
+    await waitFor(() => {
+      expect(mockToast.fromError).toHaveBeenCalledWith(expect.stringContaining(longMessage));
     });
   });
 
diff --git a/ui/litellm-dashboard/src/components/model_info_view.tsx b/ui/litellm-dashboard/src/components/model_info_view.tsx
index 35afcdb2985..caa373a0f4b 100644
--- a/ui/litellm-dashboard/src/components/model_info_view.tsx
+++ b/ui/litellm-dashboard/src/components/model_info_view.tsx
@@ -13,7 +13,6 @@ import { ArrowLeft, CheckIcon, CopyIcon, Info } from "lucide-react";
 import { useEffect, useMemo, useState } from "react";
 import { copyToClipboard as utilCopyToClipboard } from "../utils/dataUtils";
 import { stripMaskedSecrets } from "../utils/maskedSecretUtils";
-import { truncateString } from "../utils/textUtils";
 import AutoRouterConnectionTest from "./add_model/auto_router_connection_test";
 import { AutoRouterTestTarget, buildAutoRouterTestTargets } from "./add_model/build_auto_router_test_targets";
 import { normalizeTierModels } from "./add_model/complexity_router_tiers";
@@ -530,11 +529,7 @@ export default function ModelInfoView({
         throw new Error(response?.result?.error || response?.message || "Unknown error");
       }
     } catch (error) {
-      if (error instanceof Error) {
-        toast.error("Error testing connection: " + truncateString(error.message, 100));
-      } else {
-        toast.error("Error testing connection: " + String(error));
-      }
+      toast.fromError("Error testing connection: " + (error instanceof Error ? error.message : String(error)));
     }
   };