diff --git a/.eslintignore b/.eslintignore
index 375f1db78a..18e9f7cb20 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -13,3 +13,4 @@ _site
 temp*
 static/
 packages/common
+packages/ai-core
diff --git a/.gitignore b/.gitignore
index dca38afadc..5a7c22ff57 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 .DS_Store
 .idea
 temp*
+.tmp-aigc-dts
 robotMsg.json
 .history
 
diff --git a/.gitmodules b/.gitmodules
index bd2d737bd8..acdf6e2266 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "packages/common"]
 	path = packages/common
 	url = https://github.com/Tencent/tdesign-common.git
+[submodule "packages/ai-core"]
+	path = packages/ai-core
+	url = https://github.com/TDesignOteam/tdesign-ai-core.git
diff --git a/package.json b/package.json
index 0661f2ecf3..d1c0c405a7 100644
--- a/package.json
+++ b/package.json
@@ -110,6 +110,7 @@
     "glob": "^9.0.3",
     "happy-dom": "^15.11.0",
     "husky": "^7.0.4",
+    "immer": "^10.0.0",
     "jest-canvas-mock": "^2.4.0",
     "jsdom": "^20.0.1",
     "less": "4.4.2",
@@ -146,6 +147,7 @@
     "@popperjs/core": "~2.11.2",
     "tdesign-react": "workspace:^",
     "@tdesign-react/chat": "workspace:^",
+    "@tdesign/ai-chat-engine": "workspace:^",
     "@tdesign/common": "workspace:^",
     "@tdesign/common-docs": "workspace:^",
     "@tdesign/common-js": "workspace:^",
diff --git a/packages/ai-core b/packages/ai-core
new file mode 160000
index 0000000000..b2028b75a5
--- /dev/null
+++ b/packages/ai-core
@@ -0,0 +1 @@
+Subproject commit b2028b75a5c4b8b40acb3cb1e7406e13c5587d3b
diff --git a/packages/pro-components/chat/chat-engine/_example/agui-history-test.tsx b/packages/pro-components/chat/chat-engine/_example/agui-history-test.tsx
index 332867e8de..6769db5371 100644
--- a/packages/pro-components/chat/chat-engine/_example/agui-history-test.tsx
+++ b/packages/pro-components/chat/chat-engine/_example/agui-history-test.tsx
@@ -1,7 +1,7 @@
 import React, { useState, useMemo } from 'react';
 import { Card, Space, Button, Divider } from 'tdesign-react';
-import { AGUIAdapter } from 'tdesign-web-components/lib/chat-engine';
-import type { AGUIHistoryMessage, AGUIActivityMessage } from 'tdesign-web-components/lib/chat-engine';
+import { AGUIAdapter } from '@tdesign-react/chat';
+import type { AGUIHistoryMessage, AGUIActivityMessage } from '@tdesign-react/chat';
 
 /**
  * AG-UI 历史消息转换测试
diff --git a/packages/pro-components/chat/chat-engine/_example/headless-eventbus.tsx b/packages/pro-components/chat/chat-engine/_example/headless-eventbus.tsx
index a9c2c167b4..573451af9e 100644
--- a/packages/pro-components/chat/chat-engine/_example/headless-eventbus.tsx
+++ b/packages/pro-components/chat/chat-engine/_example/headless-eventbus.tsx
@@ -1,10 +1,6 @@
 import React, { useEffect, useState, useRef } from 'react';
 import { Button, Card, Space, Tag, Divider, List, MessagePlugin } from 'tdesign-react';
-import ChatEngine, {
-  ChatEngineEventType,
-  type SSEChunkData,
-  type AIMessageContent,
-} from 'tdesign-web-components/lib/chat-engine';
+import { ChatEngine, ChatEngineEventType, type SSEChunkData, type AIMessageContent } from '@tdesign-react/chat';
 
 /**
  * Headless 事件总线示例
diff --git a/packages/pro-components/chat/chat-engine/_example/headless-pure.tsx b/packages/pro-components/chat/chat-engine/_example/headless-pure.tsx
index 975c92bede..bdc26bf2f1 100644
--- a/packages/pro-components/chat/chat-engine/_example/headless-pure.tsx
+++ b/packages/pro-components/chat/chat-engine/_example/headless-pure.tsx
@@ -1,10 +1,6 @@
 import React, { useEffect, useRef } from 'react';
 import { Card, Button, Space, Divider } from 'tdesign-react';
-import ChatEngine, {
-  ChatEngineEventType,
-  type SSEChunkData,
-  type AIMessageContent,
-} from 'tdesign-web-components/lib/chat-engine';
+import { ChatEngine, ChatEngineEventType, type SSEChunkData, type AIMessageContent } from '@tdesign-react/chat';
 
 /**
  * 纯 Headless 示例 - 无 UI 依赖的 ChatEngine 使用方式
diff --git a/packages/pro-components/chat/chat-engine/components/activity/render.tsx b/packages/pro-components/chat/chat-engine/components/activity/render.tsx
index bd0d4e07f9..df3d88860f 100644
--- a/packages/pro-components/chat/chat-engine/components/activity/render.tsx
+++ b/packages/pro-components/chat/chat-engine/components/activity/render.tsx
@@ -1,7 +1,7 @@
 /* eslint-disable react-hooks/exhaustive-deps */
 import React, { useState, useEffect, useMemo, Component, ErrorInfo } from 'react';
 import isEqual from 'react-fast-compare';
-import { type ActivityData } from 'tdesign-web-components';
+import { type ActivityData } from '@tdesign/ai-chat-engine';
 import type { ActivityComponentProps } from './types';
 import { activityRegistry } from './registry';
 
diff --git a/packages/pro-components/chat/chat-engine/components/toolcall/render.tsx b/packages/pro-components/chat/chat-engine/components/toolcall/render.tsx
index 14adcf13c8..59e8c5f26f 100644
--- a/packages/pro-components/chat/chat-engine/components/toolcall/render.tsx
+++ b/packages/pro-components/chat/chat-engine/components/toolcall/render.tsx
@@ -1,5 +1,5 @@
 import React, { useState, useEffect, useCallback, useMemo, Component, ErrorInfo } from 'react';
-import { AGUIEventType, ToolCall } from 'tdesign-web-components/lib/chat-engine';
+import { AGUIEventType, ToolCall } from '@tdesign/ai-chat-engine';
 import { isNonInteractiveConfig, type ToolcallComponentProps } from './types';
 import { agentToolcallRegistry } from './registry';
 import { AgentStateContext, useAgentStateDataByKey } from '../../hooks/useAgentState';
diff --git a/packages/pro-components/chat/chat-engine/hooks/useAgentState.ts b/packages/pro-components/chat/chat-engine/hooks/useAgentState.ts
index fbec8d3c73..33a9201dc6 100644
--- a/packages/pro-components/chat/chat-engine/hooks/useAgentState.ts
+++ b/packages/pro-components/chat/chat-engine/hooks/useAgentState.ts
@@ -1,7 +1,6 @@
 /* eslint-disable react-hooks/exhaustive-deps */
 import { useState, useEffect, useRef, createContext, useContext, useMemo } from 'react';
-// import { stateManager } from 'tdesign-web-components/lib/chat-engine';
-import { stateManager } from 'tdesign-web-components/lib/chat-engine';
+import { stateManager } from '@tdesign/ai-chat-engine';
 
 /**
  * 状态订阅相关类型定义
diff --git a/packages/pro-components/chat/chat-engine/hooks/useChat.ts b/packages/pro-components/chat/chat-engine/hooks/useChat.ts
index a11e2cf228..fa65dc73b6 100644
--- a/packages/pro-components/chat/chat-engine/hooks/useChat.ts
+++ b/packages/pro-components/chat/chat-engine/hooks/useChat.ts
@@ -1,8 +1,6 @@
 import { useEffect, useRef, useState } from 'react';
-import ChatEngine from 'tdesign-web-components/lib/chat-engine';
-import type { ChatMessagesData, ChatServiceConfig, ChatStatus } from 'tdesign-web-components/lib/chat-engine';
-// import ChatEngine from 'tdesign-web-components/lib/chat-engine';
-// import type { ChatMessagesData, ChatServiceConfig, ChatStatus } from 'tdesign-web-components/lib/chat-engine';
+import ChatEngine from '@tdesign/ai-chat-engine';
+import type { ChatMessagesData, ChatServiceConfig, ChatStatus } from '@tdesign/ai-chat-engine';
 
 export type IUseChat = {
   defaultMessages?: ChatMessagesData[];
diff --git a/packages/pro-components/chat/chat-engine/index.ts b/packages/pro-components/chat/chat-engine/index.ts
index 49a21e8806..73b0c4b1a9 100644
--- a/packages/pro-components/chat/chat-engine/index.ts
+++ b/packages/pro-components/chat/chat-engine/index.ts
@@ -1,7 +1,68 @@
+// React hooks
 export * from './hooks/useChat';
 export * from './hooks/useAgentToolcall';
 export * from './hooks/useAgentState';
 export * from './hooks/useAgentActivity';
+// React components
 export * from './components';
-// export * from './core'; // 用于调试
-export * from 'tdesign-web-components/lib/chat-engine';
+
+// Re-export core API from @tdesign/ai-chat-engine
+// For full core API, use: import { ... } from '@tdesign/ai-chat-engine'
+export { default as ChatEngine } from '@tdesign/ai-chat-engine';
+export { ChatEngineEventType, ChatEventBus, createEventBus } from '@tdesign/ai-chat-engine';
+export { AGUIAdapter, stateManager, activityManager } from '@tdesign/ai-chat-engine';
+export {
+  isAIMessage,
+  isUserMessage,
+  isTextContent,
+  isMarkdownContent,
+  isToolCallContent,
+  isActivityContent,
+  isThinkingContent,
+  isSearchContent,
+  isSuggestionContent,
+  isAttachmentContent,
+  isImageContent,
+  applyJsonPatch,
+  safeParseJSON,
+  getMessageContentForCopy,
+  findTargetElement,
+} from '@tdesign/ai-chat-engine';
+export { AGUIEventType } from '@tdesign/ai-chat-engine';
+
+// Re-export commonly used types
+export type {
+  ChatMessagesData,
+  ChatServiceConfig,
+  ChatServiceConfigSetter,
+  ChatStatus,
+  ChatMessageStatus,
+  ChatMessageRole,
+  ChatRequestParams,
+  ChatMessageSetterMode,
+  AIMessageContent,
+  UserMessageContent,
+  SSEChunkData,
+  IChatEngine,
+  IChatEventBus,
+  UserMessage,
+  AIMessage,
+  SystemMessage,
+  ToolCall,
+  ToolCallContent,
+  ActivityData,
+  ActivityContent,
+  TextContent,
+  MarkdownContent,
+  ThinkingContent,
+  SearchContent,
+  SuggestionContent,
+  ImageContent,
+  AttachmentContent,
+  AttachmentItem,
+  ChatBaseContent,
+  ChatContentType,
+  ChatEventBusOptions,
+  AGUIHistoryMessage,
+  AGUIActivityMessage,
+} from '@tdesign/ai-chat-engine';
diff --git a/packages/tdesign-react-aigc/site/vite.config.js b/packages/tdesign-react-aigc/site/vite.config.js
index 6344c7aa34..7eab466567 100644
--- a/packages/tdesign-react-aigc/site/vite.config.js
+++ b/packages/tdesign-react-aigc/site/vite.config.js
@@ -29,6 +29,7 @@ export default ({ mode }) =>
     resolve: {
       alias: {
         '@tdesign-react/chat': path.resolve(__dirname, '../../pro-components/chat'),
+        '@tdesign/ai-chat-engine': path.resolve(__dirname, '../../ai-core/packages/chat-engine/index.ts'),
         '@tdesign/react-aigc-site': path.resolve(__dirname, './'),
         'tdesign-react/es': path.resolve(__dirname, '../../components'),
         'tdesign-react': path.resolve(__dirname, '../../components'),
@@ -42,6 +43,9 @@ export default ({ mode }) =>
         },
       },
     },
+    define: {
+      __VERSION__: JSON.stringify(pkg.version),
+    },
     jsx: 'react',
     server: {
       host: '0.0.0.0',
diff --git a/script/rollup.aigc.config.js b/script/rollup.aigc.config.js
index fa0d9ee11b..609144cdae 100644
--- a/script/rollup.aigc.config.js
+++ b/script/rollup.aigc.config.js
@@ -15,7 +15,8 @@ import { resolve } from 'path';
 import pkg from '../packages/tdesign-react-aigc/package.json';
 
 const name = 'tdesign';
-const externalDeps = Object.keys(pkg.dependencies || {});
+const internalWorkspaceDeps = ['@tdesign/ai-chat-engine', '@tdesign/ai-shared'];
+const externalDeps = Object.keys(pkg.dependencies || {}).filter((dep) => !internalWorkspaceDeps.includes(dep));
 const externalPeerDeps = Object.keys(pkg.peerDependencies || {});
 
 // 分析模式配置
diff --git a/tsconfig.aigc.build.json b/tsconfig.aigc.build.json
index 149cbfef43..20729ce2e8 100644
--- a/tsconfig.aigc.build.json
+++ b/tsconfig.aigc.build.json
@@ -1,7 +1,14 @@
 {
   "extends": "./tsconfig",
   "include": ["packages/pro-components/chat"],
-  "exclude": ["**/**/__tests__/*", "**/**/_example/*",  "**/**/_example-js/*","**/**/_usage/*", "es", "node_modules"],
+  "exclude": [
+    "**/**/__tests__/*",
+    "**/**/_example/*",
+    "**/**/_example-js/*",
+    "**/**/_usage/*",
+    "es",
+    "node_modules"
+  ],
   "compilerOptions": {
     "jsx": "react-jsx",
     "emitDeclarationOnly": true,
diff --git a/tsconfig.json b/tsconfig.json
index 6996525832..244253835b 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -33,7 +33,7 @@
       ],
       "@common/*": [
         "packages/common/*"
-      ]
+      ],
     },
     "allowJs": true,
     "checkJs": true,