# LangChain v0.1.0

[LangChain v0.1.0 Announcement Tweet](https://twitter.com/LangChainAI/status/1744411643482951829)

[LangChain v0.1.0 Blog Announcement](https://blog.langchain.dev/langchain-v0-1-0/)

[Watch LangChain v0.1.0 Launch Playlist](https://www.youtube.com/playlist?list=PLfaIDFEXuae0gBSJ9T0w7cu7iJZbH3T31)

[LangChain 0.1 Guides](https://github.com/hwchase17/langchain-0.1-guides)

[Official Docs](https://python.langchain.com/docs/get_started/introduction)

[APIs](https://api.python.langchain.com/en/latest/langchain_api_reference.html)

We will use **[OpenAI](https://platform.openai.com/docs/introduction)** for our language model, and **[Tavily](https://app.tavily.com/)** for our search provider. We will also use **[LangSmith](https://docs.smith.langchain.com/)** for observability.

[Tavily LangChain Announcement](https://blog.langchain.dev/weblangchain/)