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 97b7fc5a4f..19373f711c 100644
--- a/apps/web/src/lib/ai-gateway/providers/anthropic.constants.ts
+++ b/apps/web/src/lib/ai-gateway/providers/anthropic.constants.ts
@@ -124,14 +124,6 @@ export function isClaudeModel(requestedModel: string) {
   return requestedModel.includes('claude');
 }
 
-export function isHaikuModel(requestedModel: string) {
-  return requestedModel.includes('haiku');
-}
-
-export function isOpusModel(requestedModel: string) {
-  return requestedModel.includes('opus');
-}
-
 export function isFableModel(requestedModel: string) {
   return requestedModel.includes('claude-fable');
 }
diff --git a/apps/web/src/lib/ai-gateway/providers/model-prefix.test.ts b/apps/web/src/lib/ai-gateway/providers/model-prefix.test.ts
index 822ace6bba..1ce2f237b5 100644
--- a/apps/web/src/lib/ai-gateway/providers/model-prefix.test.ts
+++ b/apps/web/src/lib/ai-gateway/providers/model-prefix.test.ts
@@ -1,4 +1,4 @@
-import { isClaudeModel, isHaikuModel, isOpusModel } from './anthropic.constants';
+import { isClaudeModel } from './anthropic.constants';
 import { isOpenAiModel, isGptOssModel } from './openai';
 import { isGemmaModel, isGemini3Model } from './google';
 import { isKimiModel } from './moonshotai';
@@ -10,15 +10,11 @@ import { isCodestralModel, isMistralModel } from './mistral';
 import { inferVercelFirstPartyInferenceProviderForModel } from './openrouter/inference-provider-id';
 
 describe('provider predicates match substrings, regardless of prefix', () => {
-  test('isClaudeModel / isHaikuModel / isOpusModel', () => {
+  test('isClaudeModel', () => {
     expect(isClaudeModel('~anthropic/claude-sonnet-4.5')).toBe(true);
     expect(isClaudeModel('anthropic/claude-sonnet-4.5')).toBe(true);
     expect(isClaudeModel('claude-sonnet-4-6')).toBe(true);
     expect(isClaudeModel('openai/gpt-5')).toBe(false);
-    expect(isHaikuModel('~anthropic/claude-haiku-4.5')).toBe(true);
-    expect(isHaikuModel('claude-haiku-4-6')).toBe(true);
-    expect(isOpusModel('~anthropic/claude-opus-4.7')).toBe(true);
-    expect(isOpusModel('claude-opus-4-7')).toBe(true);
   });
 
   test('isOpenAiModel / isGptOssModel', () => {
diff --git a/apps/web/src/lib/ai-gateway/providers/model-settings.ts b/apps/web/src/lib/ai-gateway/providers/model-settings.ts
index d93fffdb07..fe1231f7a8 100644
--- a/apps/web/src/lib/ai-gateway/providers/model-settings.ts
+++ b/apps/web/src/lib/ai-gateway/providers/model-settings.ts
@@ -1,8 +1,4 @@
-import {
-  isClaudeModel,
-  isFableModel,
-  isOpusModel,
-} from '@/lib/ai-gateway/providers/anthropic.constants';
+import { isClaudeModel } from '@/lib/ai-gateway/providers/anthropic.constants';
 import { isGemini3Model, isGemmaModel } from '@/lib/ai-gateway/providers/google';
 import { isKimiModel } from '@/lib/ai-gateway/providers/moonshotai';
 import { isOpenAiModel } from '@/lib/ai-gateway/providers/openai';
@@ -52,20 +48,11 @@ export const REASONING_VARIANTS_NONE_HIGH_XHIGH = {
   xhigh: { reasoning: { enabled: true, effort: 'xhigh' } },
 } as const;
 
-const REASONING_VARIANTS_CLAUDE_BASE = {
+const REASONING_VARIANTS_CLAUDE = {
   none: { reasoning: { enabled: false, effort: 'none' } },
   low: { reasoning: { enabled: true, effort: 'low' }, verbosity: 'low' },
   medium: { reasoning: { enabled: true, effort: 'medium' }, verbosity: 'medium' },
   high: { reasoning: { enabled: true, effort: 'high' }, verbosity: 'high' },
-} as const;
-
-export const REASONING_VARIANTS_CLAUDE = {
-  ...REASONING_VARIANTS_CLAUDE_BASE,
-  max: { reasoning: { enabled: true, effort: 'xhigh' }, verbosity: 'max' },
-} as const;
-
-export const REASONING_VARIANTS_OPUS = {
-  ...REASONING_VARIANTS_CLAUDE_BASE,
   xhigh: { reasoning: { enabled: true, effort: 'xhigh' }, verbosity: 'xhigh' },
   max: { reasoning: { enabled: true, effort: 'xhigh' }, verbosity: 'max' },
 } as const;
@@ -81,9 +68,6 @@ export const REASONING_VARIANTS_INSTANT_LOW_MEDIUM_HIGH = {
 } as const;
 
 export function getModelVariants(model: string): OpenCodeSettings['variants'] {
-  if (isOpusModel(model) || isFableModel(model)) {
-    return REASONING_VARIANTS_OPUS;
-  }
   if (isClaudeModel(model)) {
     return REASONING_VARIANTS_CLAUDE;
   }