> ## Documentation Index > Fetch the complete documentation index at: https://langchain-5e9cc07a-preview-docsad-1779224627-09589df.mintlify.site/llms.txt > Use this file to discover all available pages before exploring further. # Integrations [LangSmith](https://smith.langchain.com?utm_source=docs\&utm_medium=cta\&utm_campaign=langsmith-signup\&utm_content=langsmith-integrations) provides integrations for a growing set of popular [LLM providers](#llm-providers) and [agent frameworks](#agent-frameworks) as well as [Deep Agents](/oss/python/deepagents/overview), [LangChain](/oss/python/langchain/overview), and [LangGraph](/oss/python/langgraph/overview). For setup and usage, refer to the guides listed on this page. ## LLM providers
Amazon Bedrock Anthropic DeepSeek Google Gemini LiteLLM Mistral OpenAI
**Using LangChain?** LangChain provides a unified interface to 100+ LLM providers, which allows you to switch between models by setting environment variables. [Initialize a model](/oss/python/langchain/models#initialize-a-model) and LangSmith will automatically trace your application. ## Agent frameworks
AutoGen Claude Agent SDK CrewAI Deep Agents Google ADK LangChain LangGraph Mastra Microsoft Agent Framework OpenAI Agents OpenTelemetry PydanticAI Semantic Kernel Strands Agents Vercel AI SDK
## Voice AI frameworks
Livekit Pipecat
## Developer tools
Claude Code OpenAI Codex OpenCode Instructor n8n Temporal
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