Open-source LangChain and LangGraph land agent builders for free; LangSmith Developer is $0 for one seat with 5k base traces/mo; Plus is $39/seat with 10k traces, Deployment/Engine access, and one free small serverless deploy; LCU at $1.50 and LSU at $1.00 meter Fleet, Engine, sandboxes, and extra deploys; Enterprise sells hybrid/self-host, SSO/ABAC/RBAC, and annual invoices — plus a Startup Plan for early-stage teams.
Click any of the 9 blocks below for a plain-language story of how that part of the model works for LangChain — and how it connects to the others.
Static handout preview — use Downloads in the top bar for PDF, PNG, poster HTML, or the research brief. The interactive canvas above is the primary experience.
