diff --git a/src/renderer/src/aiCore/utils/__tests__/reasoning.test.ts b/src/renderer/src/aiCore/utils/__tests__/reasoning.test.ts
index e75471987d..bb9980e8e9 100644
--- a/src/renderer/src/aiCore/utils/__tests__/reasoning.test.ts
+++ b/src/renderer/src/aiCore/utils/__tests__/reasoning.test.ts
@@ -368,8 +368,7 @@ describe('reasoning utils', () => {
 
       const result = getReasoningEffort(assistant, model)
       expect(result).toEqual({
-        enable_thinking: true,
-        thinking_budget: 32768
+        enable_thinking: true
       })
     })
 
diff --git a/src/renderer/src/aiCore/utils/reasoning.ts b/src/renderer/src/aiCore/utils/reasoning.ts
index 5f07698b72..ef13bb942c 100644
--- a/src/renderer/src/aiCore/utils/reasoning.ts
+++ b/src/renderer/src/aiCore/utils/reasoning.ts
@@ -480,12 +480,12 @@ export function getAnthropicThinkingBudget(
   }
 
   const budget = Math.floor((tokenLimit.max - tokenLimit.min) * effortRatio + tokenLimit.min)
-  
+
   let budgetTokens = budget
   if (maxTokens !== undefined) {
     budgetTokens = Math.min(budget, maxTokens)
   }
-  
+
   return Math.max(1024, budgetTokens)
 }