Features

  • Open-source framework for building LLM-powered applications
  • Prompt chaining and workflow composition
  • Integration with external tools, APIs and databases
  • Retrieval-Augmented Generation (RAG) components
  • Building of autonomous and semi-autonomous agents with tool calling
  • SDKs for Python and JavaScript
  • Installation via pip or npm
  • Integrates with most major LLM providers

Pricing Details

💰 Pricing Model: Free / Open-source (framework) 🆓 Free Plan Details: • Fully open-source and free to use • Community-driven development and documentation • Suitable for experimentation and production use 💳 Paid Plan Details: • No paid plans for the framework itself • Optional paid services via LangSmith (monitoring & evaluation)