LangChain

Framework for building LLM-powered apps — chains, agents, RAG, memory, tool use.

LangChain is one of 28 ai developer infrastructure in the Tool Hut catalog. Track it alongside your other AI tools, see what it costs you each month, and resurface it when you forget you're paying for it.

• framework
• developer
• rag
• agents
• python

Alternatives to LangChain

• LlamaIndex

  Data framework for LLMs — index, query, and retrieve from any data source.

• Weights & Biases

  MLOps platform — experiment tracking, model evaluation, fine-tuning monitoring.

• Hugging Face Spaces

  Free hosting for ML demos and Gradio/Streamlit apps — try any model instantly.

• Firecrawl

  Web scraping API for AI — turns any URL into clean markdown for LLM ingestion and RAG pipelines.

• Pinecone

  Managed vector database — store and query billions of embeddings for semantic search and RAG at scale.

• Weaviate

  Open-source vector database with hybrid search for AI apps.