← Agent Frameworks
A
LangGraph
Stateful agent orchestration framework by LangChain.
Pricing
Open source; LangSmith platform: Developer $0 (1 seat), Plus $39/seat/mo, usage at $1 per LSU; Enterprise custom.
Free tier
Yes, open source plus free Developer seat
Why A tier
Most flexible control over agent graphs, state and human-in-the-loop.
Featured in
Last verified: 2026-10-15 against the official pricing page. Prices change, so confirm before buying.Official site →
