LangChain

Framework for building AI applications and agents powered by language models.

Free From Free (open source)
★★★★☆ 4.5 (32,000 reviews)
🔥 Trending 38,005 views

About LangChain

LangChain is the most popular framework for building LLM-powered applications. Chain together prompts, memory, tools, and agents to build powerful AI apps.

✨ Key Features

  • LLM chaining
  • Agent framework
  • Memory management
  • Vector stores
  • RAG support
  • Multiple LLMs
  • Python/JS

⚖️ Pros & Cons

✅ Pros

  • Open source
  • Industry standard
  • Huge ecosystem
  • Flexible

❌ Cons

  • Complex for beginners
  • Changing API
  • Over-engineering risk