Alternatives to LangChain

LangChain Cloud for traces, evals, and deploys. Plus is $39/seat. Startup is $1,400/month. LangSmith Engine is $2,000/month.

LangChain's low-level agent orchestration runtime: durable graphs, streaming, human-in-the-loop, and persistence. About 39,835 GitHub stars.

Open-source agent workflows. Cloud: Sandbox $0, Professional $59, Team $159 per workspace/month. Community self-host is $0.