LangChain / LangGraph + LangSmith
Building custom, stateful agents in code and tracing, evaluating and deploying them.
verified 2026-11-02
A lightweight, MIT-licensed framework for multi-agent workflows.
| Free tier | Yes. MIT-licensed SDK. |
|---|---|
| Paid plans | None for the SDK; model and API usage is billed by your provider. |
| Maker | OpenAI |
| Source | https://github.com/openai/openai-agents-python |
| Last verified |
Building custom, stateful agents in code and tracing, evaluating and deploying them.
Orchestrating teams ("crews") of role-based agents in Python.
Visual workflow automation with AI agents, priced per workflow run, not per step.
Yes. MIT-licensed SDK.
None for the SDK; model and API usage is billed by your provider.
A lightweight, code-first way to build multi-agent workflows.
OpenAI Agents SDK is made by OpenAI.
Spotted something out of date? Tell us and we'll re-verify. Facts on this page come only from the linked sources.