diff --git a/ui/litellm-dashboard/src/components/view_logs/columns.tsx b/ui/litellm-dashboard/src/components/view_logs/columns.tsx
index 1265b8449de..310316d205e 100644
--- a/ui/litellm-dashboard/src/components/view_logs/columns.tsx
+++ b/ui/litellm-dashboard/src/components/view_logs/columns.tsx
@@ -119,11 +119,13 @@ export const createColumns = (sortProps?: LogsSortProps): ColumnDef<LogEntry>[]
         )
       : "Time",
     accessorKey: "startTime",
+    size: 200,
     cell: (info: any) => <TimeCell utcTime={info.getValue()} />,
   },
   {
     header: "Type",
     id: "type",
+    size: 90,
     cell: (info: any) => {
       const row = info.row.original;
       const sessionCount = row.session_total_count || 1;
@@ -168,6 +170,7 @@ export const createColumns = (sortProps?: LogsSortProps): ColumnDef<LogEntry>[]
   {
     header: "Status",
     accessorKey: "metadata.status",
+    size: 100,
     cell: (info: any) => {
       const status = info.getValue() || "Success";
       const isSuccess = status.toLowerCase() !== "failure";
@@ -186,6 +189,7 @@ export const createColumns = (sortProps?: LogsSortProps): ColumnDef<LogEntry>[]
   {
     header: "Session ID",
     accessorKey: "session_id",
+    size: 160,
     cell: (info: any) => {
       const value = String(info.getValue() || "");
       const onSessionClick = info.row.original.onSessionClick;
@@ -207,6 +211,7 @@ export const createColumns = (sortProps?: LogsSortProps): ColumnDef<LogEntry>[]
   {
     header: "Request ID",
     accessorKey: "request_id",
+    size: 110,
     cell: (info: any) => (
       <Tooltip title={String(info.getValue() || "")}>
         <span className="font-mono text-xs max-w-[15ch] truncate block">{String(info.getValue() || "")}</span>
@@ -226,6 +231,7 @@ export const createColumns = (sortProps?: LogsSortProps): ColumnDef<LogEntry>[]
         )
       : "Cost",
     accessorKey: "spend",
+    size: 110,
     cell: (info: any) => {
       const row = info.row.original;
       const mcpCount = row.mcp_tool_call_count || 0;
@@ -258,6 +264,7 @@ export const createColumns = (sortProps?: LogsSortProps): ColumnDef<LogEntry>[]
         )
       : "Duration (s)",
     accessorKey: "request_duration_ms",
+    size: 90,
     cell: (info: any) => {
       const ms = info.getValue();
       if (ms == null) return <span>-</span>;
@@ -282,6 +289,7 @@ export const createColumns = (sortProps?: LogsSortProps): ColumnDef<LogEntry>[]
         )
       : "TTFT (s)",
     accessorKey: "completionStartTime",
+    size: 80,
     cell: (info: any) => {
       const row = info.row.original;
       const completionStartTime = info.getValue();
@@ -301,6 +309,7 @@ export const createColumns = (sortProps?: LogsSortProps): ColumnDef<LogEntry>[]
   {
     header: "Team Name",
     accessorKey: "metadata.user_api_key_team_alias",
+    size: 150,
     cell: (info: any) => (
       <Tooltip title={String(info.getValue() || "-")}>
         <span className="max-w-[15ch] truncate block">{String(info.getValue() || "-")}</span>
@@ -310,6 +319,7 @@ export const createColumns = (sortProps?: LogsSortProps): ColumnDef<LogEntry>[]
   {
     header: "Key Hash",
     accessorKey: "metadata.user_api_key",
+    size: 110,
     cell: (info: any) => {
       const value = String(info.getValue() || "-");
       const onKeyHashClick = info.row.original.onKeyHashClick;
@@ -329,6 +339,7 @@ export const createColumns = (sortProps?: LogsSortProps): ColumnDef<LogEntry>[]
   {
     header: "Key Alias",
     accessorKey: "metadata.user_api_key_alias",
+    size: 150,
     cell: (info: any) => (
       <Tooltip title={String(info.getValue() || "-")}>
         <span className="max-w-[15ch] truncate block">{String(info.getValue() || "-")}</span>
@@ -348,6 +359,7 @@ export const createColumns = (sortProps?: LogsSortProps): ColumnDef<LogEntry>[]
         )
       : "Model",
     accessorKey: "model",
+    size: 200,
     cell: (info: any) => {
       const row = info.row.original;
       const provider = row.custom_llm_provider;
@@ -385,6 +397,7 @@ export const createColumns = (sortProps?: LogsSortProps): ColumnDef<LogEntry>[]
         )
       : "Tokens",
     accessorKey: "total_tokens",
+    size: 140,
     cell: (info: any) => {
       const row = info.row.original;
       return (
@@ -400,6 +413,7 @@ export const createColumns = (sortProps?: LogsSortProps): ColumnDef<LogEntry>[]
   {
     header: "Internal User",
     accessorKey: "user",
+    size: 150,
     cell: (info: any) => (
       <Tooltip title={String(info.getValue() || "-")}>
         <span className="max-w-[15ch] truncate block">{String(info.getValue() || "-")}</span>
@@ -409,6 +423,7 @@ export const createColumns = (sortProps?: LogsSortProps): ColumnDef<LogEntry>[]
   {
     header: "End User",
     accessorKey: "end_user",
+    size: 140,
     cell: (info: any) => (
       <Tooltip title={String(info.getValue() || "-")}>
         <span className="max-w-[15ch] truncate block">{String(info.getValue() || "-")}</span>
@@ -419,6 +434,7 @@ export const createColumns = (sortProps?: LogsSortProps): ColumnDef<LogEntry>[]
   {
     header: "Tags",
     accessorKey: "request_tags",
+    size: 150,
     cell: (info: any) => {
       const tags = info.getValue();
       if (!tags || Object.keys(tags).length === 0) return "-";
diff --git a/ui/litellm-dashboard/src/components/view_logs/table.test.tsx b/ui/litellm-dashboard/src/components/view_logs/table.test.tsx
new file mode 100644
index 00000000000..da9bcef1455
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/table.test.tsx
@@ -0,0 +1,46 @@
+import type { ColumnDef } from "@tanstack/react-table";
+import { render, screen } from "@testing-library/react";
+import { describe, expect, it } from "vitest";
+import { DataTable } from "./table";
+
+type Row = { request_id: string; a: string; b: string };
+
+const data: Row[] = [{ request_id: "r1", a: "alpha", b: "beta" }];
+
+const sizedColumns: ColumnDef<Row>[] = [
+  { header: "A", accessorKey: "a", size: 120 },
+  { header: "B", accessorKey: "b", size: 80 },
+];
+
+const unsizedColumns: ColumnDef<Row>[] = [
+  { header: "A", accessorKey: "a" },
+  { header: "B", accessorKey: "b" },
+];
+
+describe("DataTable column sizing", () => {
+  it("min-widths the table to the column total and sizes every cell when columns declare sizes", () => {
+    render(<DataTable data={data} columns={sizedColumns} />);
+
+    const table = screen.getByRole("table");
+    expect(table.style.minWidth).toBe("200px");
+    expect(table.style.width).toBe("");
+
+    const headers = screen.getAllByRole("columnheader");
+    expect(headers.map((h) => h.style.width)).toEqual(["120px", "80px"]);
+
+    const cells = screen.getAllByRole("cell");
+    expect(cells.map((c) => c.style.width)).toEqual(["120px", "80px"]);
+  });
+
+  it("leaves cells unsized and keeps the fluid table when no column declares a size", () => {
+    render(<DataTable data={data} columns={unsizedColumns} />);
+
+    const table = screen.getByRole("table");
+    expect(table.style.width).toBe("");
+    expect(table.style.minWidth).toBe("400px");
+
+    for (const cell of [...screen.getAllByRole("columnheader"), ...screen.getAllByRole("cell")]) {
+      expect(cell.style.width).toBe("");
+    }
+  });
+});
diff --git a/ui/litellm-dashboard/src/components/view_logs/table.tsx b/ui/litellm-dashboard/src/components/view_logs/table.tsx
index 6aa349513d5..4510cc9a1f0 100644
--- a/ui/litellm-dashboard/src/components/view_logs/table.tsx
+++ b/ui/litellm-dashboard/src/components/view_logs/table.tsx
@@ -41,6 +41,7 @@ export function DataTable<TData, TValue>({
   enableSorting = false,
 }: DataTableProps<TData, TValue>) {
   const supportsExpansion = !!(renderSubComponent || renderChildRows) && !!getRowCanExpand;
+  const hasExplicitColumnSizes = columns.some((column) => column.size !== undefined);
   const [sorting, setSorting] = useState<SortingState>([]);
 
   const table = useReactTable<TData>({
@@ -63,9 +64,14 @@ export function DataTable<TData, TValue>({
     ...(supportsExpansion && { getExpandedRowModel: getExpandedRowModel() }),
   });
 
+  const tableClassName = hasExplicitColumnSizes
+    ? "[&_td]:py-0.5 [&_th]:py-1 [&_table]:table-fixed"
+    : "[&_td]:py-0.5 [&_th]:py-1 table-fixed w-full box-border";
+  const tableStyle = hasExplicitColumnSizes ? { minWidth: table.getCenterTotalSize() } : { minWidth: "400px" };
+
   return (
     <div className="rounded-lg custom-border overflow-x-auto w-full max-w-full box-border">
-      <Table className="[&_td]:py-0.5 [&_th]:py-1 table-fixed w-full box-border" style={{ minWidth: "400px" }}>
+      <Table className={tableClassName} style={tableStyle}>
         <TableHead>
           {table.getHeaderGroups().map((headerGroup) => (
             <TableRow key={headerGroup.id}>
@@ -77,6 +83,7 @@ export function DataTable<TData, TValue>({
                   <TableHeaderCell
                     key={header.id}
                     className={`py-1 h-8 ${canSort ? "cursor-pointer select-none hover:bg-gray-50" : ""}`}
+                    style={hasExplicitColumnSizes ? { width: header.getSize() } : undefined}
                     onClick={canSort ? header.column.getToggleSortingHandler() : undefined}
                   >
                     {header.isPlaceholder ? null : (
@@ -112,7 +119,11 @@ export function DataTable<TData, TValue>({
                   onClick={() => onRowClick?.(row.original)}
                 >
                   {row.getVisibleCells().map((cell) => (
-                    <TableCell key={cell.id} className="py-0.5 max-h-8 overflow-hidden text-ellipsis whitespace-nowrap">
+                    <TableCell
+                      key={cell.id}
+                      className="py-0.5 max-h-8 overflow-hidden text-ellipsis whitespace-nowrap"
+                      style={hasExplicitColumnSizes ? { width: cell.column.getSize() } : undefined}
+                    >
                       {flexRender(cell.column.columnDef.cell, cell.getContext())}
                     </TableCell>
                   ))}