diff --git a/apps/web/src/lib/ai-gateway/providers/anthropic.constants.ts b/apps/web/src/lib/ai-gateway/providers/anthropic.constants.ts
index f20d4d0abf..51122ea183 100644
--- a/apps/web/src/lib/ai-gateway/providers/anthropic.constants.ts
+++ b/apps/web/src/lib/ai-gateway/providers/anthropic.constants.ts
@@ -133,5 +133,5 @@ export function isOpusModel(requestedModel: string) {
 }
 
 export function isFableModel(requestedModel: string) {
-  return requestedModel.includes('fable');
+  return requestedModel.includes('claude-fable');
 }
diff --git a/apps/web/src/lib/ai-gateway/providers/openrouter/index.test.ts b/apps/web/src/lib/ai-gateway/providers/openrouter/index.test.ts
index a983f8a1cc..23e790e8fb 100644
--- a/apps/web/src/lib/ai-gateway/providers/openrouter/index.test.ts
+++ b/apps/web/src/lib/ai-gateway/providers/openrouter/index.test.ts
@@ -17,6 +17,7 @@ import {
   kiloExclusiveModels,
 } from '@/lib/ai-gateway/models';
 import type { KiloExclusiveModel } from '@/lib/ai-gateway/providers/kilo-exclusive-model';
+import { isFableModel } from '@/lib/ai-gateway/providers/anthropic.constants';
 
 jest.mock('@/lib/ai-gateway/providers/gateway-models-cache', () => ({
   getOpenRouterModelsMetadata: jest.fn(() => Promise.resolve({})),
@@ -171,6 +172,13 @@ describe('shouldSuppressOpenRouterModel', () => {
   });
 });
 
+describe('isFableModel', () => {
+  it('only matches Claude Fable model IDs', () => {
+    expect(isFableModel('anthropic/claude-fable-5')).toBe(true);
+    expect(isFableModel('vendor/fable-model')).toBe(false);
+  });
+});
+
 describe('disabled paid Kilo-exclusive model fallback', () => {
   beforeEach(() => {
     kiloExclusiveModels.push(disabledPaidModel);
diff --git a/apps/web/src/lib/ai-gateway/providers/openrouter/index.ts b/apps/web/src/lib/ai-gateway/providers/openrouter/index.ts
index d57b604274..a27be1e2d4 100644
--- a/apps/web/src/lib/ai-gateway/providers/openrouter/index.ts
+++ b/apps/web/src/lib/ai-gateway/providers/openrouter/index.ts
@@ -27,6 +27,7 @@ import { normalizeInferenceProviderId } from '@/lib/ai-gateway/providers/openrou
 import { getTerminalBenchSummaries, terminalBenchFor } from '@/lib/model-stats/terminal-bench';
 import { isFreeNemotronModel, NVIDIA_TRIAL_TOS } from '@/lib/ai-gateway/providers/nvidia';
 import { applyCustomPricingToModel } from '@/lib/ai-gateway/custom-pricing';
+import { isFableModel } from '@/lib/ai-gateway/providers/anthropic.constants';
 
 // Re-export from shared module for backwards compatibility
 export { normalizeModelId } from '@/lib/ai-gateway/model-utils';
@@ -128,7 +129,9 @@ async function enhancedModelList(models: OpenRouterModel[]) {
         (model: OpenRouterModel) =>
           !kiloExclusiveModels.some(
             m => m.public_id === model.id && shouldSuppressOpenRouterModel(m)
-          ) && !isForbiddenFreeModel(model.id)
+          ) &&
+          !isForbiddenFreeModel(model.id) &&
+          !isFableModel(model.id)
       )
       .map(model => {
         const preferredProvider = getPreferredProviderOrder(model.id).at(0);