diff --git a/apps/web/src/settings/provider-models.test.ts b/apps/web/src/settings/provider-models.test.ts
new file mode 100644
index 000000000..57214c161
--- /dev/null
+++ b/apps/web/src/settings/provider-models.test.ts
@@ -0,0 +1,19 @@
+import { describe, expect, test } from "bun:test";
+
+import { PROVIDER_MODELS } from "./provider-models";
+
+// Mirrors `grok models` on Grok Build CLI 1.0.46 (unauthenticated, served by
+// the same cli-chat-proxy.grok.com the xai provider option mints offerings
+// against): the default first, then the rest of the listed catalog.
+const GROK_CLI_1_0_46_CATALOG = [
+  { id: "grok-4.7", label: "Grok 4.7" },
+  { id: "grok-4.7-build-fast", label: "Grok 4.7 Build Fast" },
+  { id: "grok-4.6", label: "Grok 4.6" },
+  { id: "grok-4.5", label: "Grok 4.5" },
+] as const;
+
+describe("xai provider models", () => {
+  test("matches the Grok Build CLI 1.0.46 proxy catalog, default first", () => {
+    expect(PROVIDER_MODELS["xai"]).toEqual([...GROK_CLI_1_0_46_CATALOG]);
+  });
+});
diff --git a/apps/web/src/settings/provider-models.ts b/apps/web/src/settings/provider-models.ts
index 21a865907..5895df0c8 100644
--- a/apps/web/src/settings/provider-models.ts
+++ b/apps/web/src/settings/provider-models.ts
@@ -22,9 +22,10 @@ export const PROVIDER_MODELS: Readonly<Record<string, readonly ProviderModel[]>>
     { id: "x-ai/grok-4", label: "Grok 4" },
   ],
   xai: [
+    { id: "grok-4.7", label: "Grok 4.7" },
+    { id: "grok-4.7-build-fast", label: "Grok 4.7 Build Fast" },
     { id: "grok-4.6", label: "Grok 4.6" },
-    { id: "grok-4", label: "Grok 4" },
-    { id: "grok-4-fast", label: "Grok 4 Fast" },
+    { id: "grok-4.5", label: "Grok 4.5" },
   ],
   codex: [{ id: "gpt-5.5", label: "GPT-5.5" }],
   custom: [],