What are the best alternatives to OpenAI Agents SDK?

The top alternatives to OpenAI Agents SDK are LangChain, Claude Agent SDK, Browser Use, ranked by real usage data on Unfragile.

Are there free alternatives to OpenAI Agents SDK?

Yes, 17 free alternatives to OpenAI Agents SDK exist, including LangChain, Claude Agent SDK, Browser Use.

20 alternatives ranked by real usage data. OpenAI Agents SDK scores 86/100 — 1 tool score higher.

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

20 alternatives

17 free options

1 score higher

Framework for building LLM apps — chains, agents, RAG, memory. Python & JS/TS. 200+ integrations.