Side-by-side comparison

Framework for composing LLM calls, tools and retrieval into applications; the largest LLM app ecosystem.

TypeScript port of LangChain for building LLM apps and agents in Node, browsers and edge runtimes.

Data framework for connecting LLMs to your documents: ingestion, indexing, retrieval and agentic workflows.

Production-oriented framework by deepset for building RAG pipelines and agents from modular components.