集成包

LangChain Python 提供了一个广泛的生态系统，拥有 1000 多个集成，涵盖聊天和嵌入模型、工具和工具包、文档加载器、向量存储等等。

• 聊天模型
• 嵌入模型
• 工具和工具包

要查看按组件类型划分的完整集成列表，请参阅侧边栏中的类别。

热门提供商

提供商	包 API 参考	下载量	最新版本	JS/TS 支持
OpenAI	langchain-openai			✅
Google (Vertex AI)	langchain-google-vertexai			✅
AWS	langchain-aws			✅
Anthropic (Claude)	langchain-anthropic			✅
Google (GenAI)	langchain-google-genai			✅
Groq	langchain-groq			✅
Ollama	langchain-ollama			✅
Chroma	langchain-chroma			✅
Huggingface	langchain-huggingface			✅
Cohere	langchain-cohere			✅
Postgres	langchain-postgres			✅
Pinecone	langchain-pinecone			✅
MistralAI	langchain-mistralai			✅
Fireworks	langchain-fireworks			✅
Databricks	databricks-langchain			✅
Perplexity	langchain-perplexity			✅
MongoDB	langchain-mongodb			✅
IBM	langchain-ibm			✅
Deepseek	langchain-deepseek			✅
Tavily	langchain-tavily			✅
Milvus	langchain-milvus			✅
Nvidia AI Endpoints	langchain-nvidia-ai-endpoints			❌
Qdrant	langchain-qdrant			✅
Elasticsearch	langchain-elasticsearch			✅
LiteLLM	langchain-litellm			❌
Together	langchain-together			✅
DataStax Astra DB	langchain-astradb			✅
xAI (Grok)	langchain-xai			✅
Redis	langchain-redis			✅
Azure AI	langchain-azure-ai			✅
MCP Toolbox (Google)	toolbox-langchain			❌
Google (Community)	langchain-google-community			❌
Unstructured	langchain-unstructured			✅
Graph RAG	langchain-graph-retriever			❌
Neo4J	langchain-neo4j