diff --git a/packages/xsai/src/index.ts b/packages/xsai/src/index.ts
index ed16af6c..d04bf165 100644
--- a/packages/xsai/src/index.ts
+++ b/packages/xsai/src/index.ts
@@ -3,14 +3,14 @@ import '@xsai/tool/generate-text'
 
 // @xsai/providers
 export * as providers from './providers'
-export { embed, embedMany } from '@xsai/embed'
-export { generateObject } from '@xsai/generate-object'
-export { generateSpeech } from '@xsai/generate-speech'
-export { generateText } from '@xsai/generate-text'
-export { generateTranscription } from '@xsai/generate-transcription'
-export { listModels, retrieveModel } from '@xsai/model'
+export { embed, embedMany, type EmbedManyOptions, type EmbedManyResult, type EmbedOptions, type EmbedResponseUsage, type EmbedResult } from '@xsai/embed'
+export { generateObject, type GenerateObjectOptions, type GenerateObjectResult } from '@xsai/generate-object'
+export { generateSpeech, type GenerateSpeechOptions } from '@xsai/generate-speech'
+export { generateText, type GenerateTextOptions, type GenerateTextResponseUsage, type GenerateTextResult } from '@xsai/generate-text'
+export { generateTranscription, type GenerateTranscriptionOptions, type GenerateTranscriptionResult } from '@xsai/generate-transcription'
+export { listModels, type ListModelsOptions, type ListModelsResponse, type Model, retrieveModel, type RetrieveModelOptions } from '@xsai/model'
 // shared chat utils
 export * from '@xsai/shared-chat'
-export { streamObject } from '@xsai/stream-object'
-export { streamText } from '@xsai/stream-text'
-export { tool } from '@xsai/tool'
+export { streamObject, type StreamObjectOptions, type StreamObjectResult } from '@xsai/stream-object'
+export { streamText, type StreamTextOptions, type StreamTextResponse, type StreamTextResponseUsage, type StreamTextResult } from '@xsai/stream-text'
+export { tool, type ToolOptions, type ToolResult } from '@xsai/tool'