LangChain
LangGraph
Graph-shaped, stateful agent workflows
Pending testOpen source
Score
- Quality
- Pending
- Price
- Pending
- Speed
- Pending
- Ease of starting
- Pending
Last tested: not yet. Pending is not a zero.
Waiting on the agent bench: a multi-step task with a tool call and a checkable result. No score until that test is published.
Plain-language take
Written from public product information. This is not a test result.
A library for agents that need memory, branches, and a human checkpoint.
Pricing
Open source · checked 16 October 2026
LangGraph the library is open source. LangChain's hosted platform is priced separately on langchain.com/pricing.
Pricing sourceUse cases
Alternatives
- CrewAI — Open-source framework for multi-agent crews
- Mastra — TypeScript framework for agents and workflows
- OpenAI Agents SDK — Official SDK for tools, handoffs, and tracing