What are the best alternatives to langchain?

The top alternatives to langchain are OpenAI Agents SDK, Claude Agent SDK, Pipecat, ranked by real usage data on Unfragile.

Are there free alternatives to langchain?

Yes, 19 free alternatives to langchain exist, including OpenAI Agents SDK, Claude Agent SDK, Pipecat.

20 alternatives ranked by real usage data. langchain scores 24/100 — 20 tools score higher.

Building applications with LLMs through composability

20 alternatives

19 free options

20 score higher

OpenAI's official agent framework — agents, handoffs, guardrails, sessions, built-in tracing.