diff --git a/src/renderer/src/config/models/default.ts b/src/renderer/src/config/models/default.ts
index 34fc3688c8..c3a40e6ef7 100644
--- a/src/renderer/src/config/models/default.ts
+++ b/src/renderer/src/config/models/default.ts
@@ -430,6 +430,12 @@ export const SYSTEM_MODELS: Record<SystemProviderId | 'defaultModel', Model[]> =
     }
   ],
   anthropic: [
+    {
+      id: 'claude-haiku-4-5-20251001',
+      provider: 'anthropic',
+      name: 'Claude Haiku 4.5',
+      group: 'Claude 4.5'
+    },
     {
       id: 'claude-sonnet-4-5-20250929',
       provider: 'anthropic',
diff --git a/src/renderer/src/config/models/reasoning.ts b/src/renderer/src/config/models/reasoning.ts
index 5c89a77ba3..1ef0303f61 100644
--- a/src/renderer/src/config/models/reasoning.ts
+++ b/src/renderer/src/config/models/reasoning.ts
@@ -335,7 +335,8 @@ export function isClaudeReasoningModel(model?: Model): boolean {
     modelId.includes('claude-3-7-sonnet') ||
     modelId.includes('claude-3.7-sonnet') ||
     modelId.includes('claude-sonnet-4') ||
-    modelId.includes('claude-opus-4')
+    modelId.includes('claude-opus-4') ||
+    modelId.includes('claude-haiku-4')
   )
 }
 
@@ -493,8 +494,9 @@ export const THINKING_TOKEN_MAP: Record<string, { min: number; max: number }> =
   'qwen3-(?!max).*$': { min: 1024, max: 38_912 },
 
   // Claude models
-  'claude-3[.-]7.*sonnet.*$': { min: 1024, max: 64000 },
-  'claude-(:?sonnet|opus)-4.*$': { min: 1024, max: 32000 }
+  'claude-3[.-]7.*sonnet.*$': { min: 1024, max: 64_000 },
+  'claude-(:?haiku|sonnet)-4.*$': { min: 1024, max: 64_000 },
+  'claude-opus-4-1.*$': { min: 1024, max: 32_000 }
 }
 
 export const findTokenLimit = (modelId: string): { min: number; max: number } | undefined => {
diff --git a/src/renderer/src/config/models/vision.ts b/src/renderer/src/config/models/vision.ts
index cd09e6e34b..ceff0a10c3 100644
--- a/src/renderer/src/config/models/vision.ts
+++ b/src/renderer/src/config/models/vision.ts
@@ -15,6 +15,7 @@ const visionAllowedModels = [
   'gemini-(flash|pro|flash-lite)-latest',
   'gemini-exp',
   'claude-3',
+  'claude-haiku-4',
   'claude-sonnet-4',
   'claude-opus-4',
   'vision',
diff --git a/src/renderer/src/config/models/websearch.ts b/src/renderer/src/config/models/websearch.ts
index ecdf1bec37..f0614f714f 100644
--- a/src/renderer/src/config/models/websearch.ts
+++ b/src/renderer/src/config/models/websearch.ts
@@ -7,7 +7,7 @@ import { isAnthropicModel } from './utils'
 import { isPureGenerateImageModel, isTextToImageModel } from './vision'
 
 export const CLAUDE_SUPPORTED_WEBSEARCH_REGEX = new RegExp(
-  `\\b(?:claude-3(-|\\.)(7|5)-sonnet(?:-[\\w-]+)|claude-3(-|\\.)5-haiku(?:-[\\w-]+)|claude-sonnet-4(?:-[\\w-]+)?|claude-opus-4(?:-[\\w-]+)?)\\b`,
+  `\\b(?:claude-3(-|\\.)(7|5)-sonnet(?:-[\\w-]+)|claude-3(-|\\.)5-haiku(?:-[\\w-]+)|claude-(haiku|sonnet|opus)-4(?:-[\\w-]+)?)\\b`,
   'i'
 )