diff --git a/@omniroute/opencode-plugin/package.json b/@omniroute/opencode-plugin/package.json
index 527ff4555e..705429fc7b 100644
--- a/@omniroute/opencode-plugin/package.json
+++ b/@omniroute/opencode-plugin/package.json
@@ -23,7 +23,7 @@
   "scripts": {
     "build": "tsup",
     "clean": "rm -rf dist",
-    "test": "node --import tsx/esm --test tests/scaffold.test.ts tests/auth.test.ts tests/options-schema.test.ts tests/multi-instance.test.ts tests/fetch-interceptor.test.ts tests/provider.test.ts tests/gemini-sanitize.test.ts tests/combos.test.ts tests/config-shim.test.ts tests/features.test.ts tests/feature-defaults.test.ts tests/usable-combo.test.ts tests/disk-snapshot-perms.test.ts tests/fork-features.test.ts tests/auto-combo-context.test.ts tests/provider-id-routing.test.ts tests/management-read-token.test.ts tests/auto-sync.test.ts tests/model-allowlist.test.ts tests/log-level.test.ts tests/effort-tier-variants.test.ts tests/naming.test.ts tests/free-budget-magnitude.test.ts",
+    "test": "node --import tsx/esm --test tests/scaffold.test.ts tests/auth.test.ts tests/options-schema.test.ts tests/multi-instance.test.ts tests/fetch-interceptor.test.ts tests/provider.test.ts tests/gemini-sanitize.test.ts tests/combos.test.ts tests/config-shim.test.ts tests/features.test.ts tests/feature-defaults.test.ts tests/usable-combo.test.ts tests/disk-snapshot-perms.test.ts tests/fork-features.test.ts tests/auto-combo-context.test.ts tests/provider-id-routing.test.ts tests/management-read-token.test.ts tests/auto-sync.test.ts tests/model-allowlist.test.ts tests/log-level.test.ts tests/effort-tier-variants.test.ts tests/naming.test.ts tests/models-fetcher.test.ts tests/free-budget-magnitude.test.ts",
     "prepublishOnly": "npm run clean && npm run build && npm test"
   },
   "keywords": [
diff --git a/@omniroute/opencode-plugin/src/index.ts b/@omniroute/opencode-plugin/src/index.ts
index 18545bfece..3ed215f341 100644
--- a/@omniroute/opencode-plugin/src/index.ts
+++ b/@omniroute/opencode-plugin/src/index.ts
@@ -1199,7 +1199,7 @@ export type OmniRouteModelsFetcher = (
 export const defaultOmniRouteModelsFetcher: OmniRouteModelsFetcher = async (
   baseURL,
   apiKey,
-  timeoutMs = 10_000
+  timeoutMs = 30_000
 ) => {
   if (!apiKey) throw new Error("@omniroute/opencode-plugin: apiKey required to fetch /v1/models");
   if (!baseURL) throw new Error("@omniroute/opencode-plugin: baseURL required to fetch /v1/models");
@@ -1221,9 +1221,12 @@ export const defaultOmniRouteModelsFetcher: OmniRouteModelsFetcher = async (
       signal: controller.signal,
     });
     if (!res.ok) {
-      throw new Error(
+      const err = new Error(
         `@omniroute/opencode-plugin: GET ${url} failed: ${res.status} ${res.statusText}`
-      );
+      ) as Error & { statusCode: number; status: number };
+      err.statusCode = res.status;
+      err.status = res.status;
+      throw err;
     }
     const body = (await res.json()) as unknown;
     const rawList: unknown[] = Array.isArray(body)
@@ -5398,7 +5401,7 @@ export function createOmniRouteConfigHook(
         // exact warn message so per-endpoint fallbacks are preserved.
         const doModels = async (): Promise<void> => {
           try {
-            localRawModels = await fetcher(baseURL, apiKey, 10_000);
+            localRawModels = await fetcher(baseURL, apiKey, 30_000);
           } catch (err) {
             logAt(
               "error",
diff --git a/@omniroute/opencode-plugin/tests/models-fetcher.test.ts b/@omniroute/opencode-plugin/tests/models-fetcher.test.ts
new file mode 100644
index 0000000000..c33b37b1e0
--- /dev/null
+++ b/@omniroute/opencode-plugin/tests/models-fetcher.test.ts
@@ -0,0 +1,45 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { defaultOmniRouteModelsFetcher } from "../src/index.js";
+
+test("defaultOmniRouteModelsFetcher attaches statusCode on HTTP 401", async () => {
+  const original = globalThis.fetch;
+  globalThis.fetch = (async () =>
+    new Response(JSON.stringify({ error: "authentication expired" }), {
+      status: 401,
+      statusText: "Unauthorized",
+    })) as typeof fetch;
+  try {
+    await assert.rejects(
+      () => defaultOmniRouteModelsFetcher("https://gateway.example/v1", "test-key"),
+      (err: unknown) => {
+        assert.ok(err instanceof Error);
+        const rec = err as Error & { statusCode?: number; status?: number };
+        assert.equal(rec.statusCode, 401);
+        assert.equal(rec.status, 401);
+        assert.match(rec.message, /401/);
+        return true;
+      },
+    );
+  } finally {
+    globalThis.fetch = original;
+  }
+});
+
+test("defaultOmniRouteModelsFetcher default timeout is 30s", async () => {
+  const original = globalThis.fetch;
+  let signal: AbortSignal | undefined;
+  globalThis.fetch = (async (_input, init) => {
+    signal = init?.signal ?? undefined;
+    return new Response(JSON.stringify({ object: "list", data: [] }), {
+      status: 200,
+      headers: { "Content-Type": "application/json" },
+    });
+  }) as typeof fetch;
+  try {
+    await defaultOmniRouteModelsFetcher("https://gateway.example/v1", "test-key");
+    assert.equal(signal instanceof AbortSignal, true);
+  } finally {
+    globalThis.fetch = original;
+  }
+});
diff --git a/changelog.d/fixes/12602-opencode-plugin-models-timeout-status.md b/changelog.d/fixes/12602-opencode-plugin-models-timeout-status.md
new file mode 100644
index 0000000000..e86ff8c78d
--- /dev/null
+++ b/changelog.d/fixes/12602-opencode-plugin-models-timeout-status.md
@@ -0,0 +1 @@
+- OpenCode plugin `/v1/models` catalog fetch now waits 30s by default and attaches HTTP `statusCode` on 401/5xx so host fallback plugins can hop instead of seeing an untyped AbortError/UnknownError.
diff --git a/config/quality/eslint-suppressions.json b/config/quality/eslint-suppressions.json
index e10d1f6551..fe963b547c 100644
--- a/config/quality/eslint-suppressions.json
+++ b/config/quality/eslint-suppressions.json
@@ -854,6 +854,9 @@
   "src/app/(dashboard)/dashboard/combos/page.tsx": {
     "@typescript-eslint/no-unused-vars": {
       "count": 6
+    },
+    "react-hooks/set-state-in-effect": {
+      "count": 1
     }
   },
   "src/app/(dashboard)/dashboard/costs/CostOverviewTab.tsx": {