diff --git a/src/agents/live-model-filter.ts b/src/agents/live-model-filter.ts
index 3e4ce5dd256..745d5e88bdc 100644
--- a/src/agents/live-model-filter.ts
+++ b/src/agents/live-model-filter.ts
@@ -20,6 +20,8 @@ const HIGH_SIGNAL_LIVE_MODEL_PRIORITY = [
   "minimax/minimax-m2.7",
   "openai/gpt-5.2",
   "openai-codex/gpt-5.2",
+  "openrouter/openai/gpt-5.2-chat",
+  "openrouter/minimax/minimax-m2.7",
   "opencode-go/glm-5",
   "openrouter/ai21/jamba-large-1.7",
   "xai/grok-4-1-fast-non-reasoning",
@@ -37,6 +39,11 @@ const DEFAULT_HIGH_SIGNAL_LIVE_EXCLUDED_PROVIDERS = new Set(["codex", "codex-cli
 const HIGH_SIGNAL_LIVE_MODEL_PRIORITY_INDEX = new Map<string, number>(
   HIGH_SIGNAL_LIVE_MODEL_PRIORITY.map((key, index) => [key, index]),
 );
+const OPENROUTER_HIGH_SIGNAL_LIVE_MODEL_IDS = new Set(
+  HIGH_SIGNAL_LIVE_MODEL_PRIORITY.filter((key) => key.startsWith("openrouter/")).map((key) =>
+    key.slice("openrouter/".length),
+  ),
+);
 
 function isHighSignalClaudeModelId(id: string): boolean {
   const normalized = id.replace(/[_.]/g, "-");
@@ -126,6 +133,13 @@ function isUnsupportedFireworksLiveModelRef(provider: string, id: string): boole
   return !HIGH_SIGNAL_LIVE_MODEL_PRIORITY_INDEX.has(`${provider}/${id}`);
 }
 
+function isUnsupportedOpenRouterLiveModelRef(provider: string, id: string): boolean {
+  if (provider !== "openrouter") {
+    return false;
+  }
+  return !OPENROUTER_HIGH_SIGNAL_LIVE_MODEL_IDS.has(id);
+}
+
 export function isModernModelRef(ref: ModelRef): boolean {
   const provider = normalizeProviderId(ref.provider ?? "");
   const id = normalizeLowercaseStringOrEmpty(ref.id);
@@ -164,6 +178,9 @@ export function isHighSignalLiveModelRef(ref: ModelRef): boolean {
   if (isUnsupportedFireworksLiveModelRef(provider, id)) {
     return false;
   }
+  if (isUnsupportedOpenRouterLiveModelRef(provider, id)) {
+    return false;
+  }
   if (isOldMiniMaxLiveModelRef(id)) {
     return false;
   }
diff --git a/src/agents/model-compat.test.ts b/src/agents/model-compat.test.ts
index 89c09a9b8c2..48dfd17f088 100644
--- a/src/agents/model-compat.test.ts
+++ b/src/agents/model-compat.test.ts
@@ -528,6 +528,29 @@ describe("isHighSignalLiveModelRef", () => {
     );
   });
 
+  it("keeps only curated OpenRouter routes in the default live matrix", () => {
+    providerRuntimeMocks.resolveProviderModernModelRef.mockReturnValue(true);
+
+    expect(isHighSignalLiveModelRef({ provider: "openrouter", id: "openai/gpt-5.2-chat" })).toBe(
+      true,
+    );
+    expect(isHighSignalLiveModelRef({ provider: "openrouter", id: "minimax/minimax-m2.7" })).toBe(
+      true,
+    );
+    expect(isHighSignalLiveModelRef({ provider: "openrouter", id: "ai21/jamba-large-1.7" })).toBe(
+      true,
+    );
+    expect(
+      isHighSignalLiveModelRef({ provider: "openrouter", id: "allenai/olmo-3.1-32b-instruct" }),
+    ).toBe(false);
+    expect(isHighSignalLiveModelRef({ provider: "openrouter", id: "amazon/nova-lite-v1" })).toBe(
+      false,
+    );
+    expect(isHighSignalLiveModelRef({ provider: "openrouter", id: "amazon/nova-micro-v1" })).toBe(
+      false,
+    );
+  });
+
   it("drops GLM 4.x models from the default live matrix while keeping GLM 5", () => {
     providerRuntimeMocks.resolveProviderModernModelRef.mockReturnValue(true);