LangGraph
Open-source low-level orchestration framework for stateful, controllable AI agents, with an optional managed deployment platform.
Last verified:
LangGraph is LangChain Inc.'s MIT-licensed, open-source agent runtime for building resilient, long-running agents with durable execution, human-in-the-loop control, and persistent memory. The self-hosted library is free; production hosting is available via LangGraph Platform, sold as part of LangSmith's Plus (self-serve, usage-based) and Enterprise (self-hosted/hybrid, custom-priced) plans, which carry SOC 2 Type II and ISO/IEC 27001:2022 certification. Deployed LangGraph agents can also be exposed automatically as MCP-compliant tool servers over a built-in /mcp endpoint.
Pricing
| Tier | Price | Key features |
|---|---|---|
| Open Source (Self-Hosted Library) | $0 | Durable execution and checkpointing, Human-in-the-loop workflows, Persistent memory, Free CLI for local dev server |
| LangGraph Platform - Cloud (via LangSmith Plus) | $39/monthly | Managed Cloud SaaS deployment, 1 free small serverless deployment, Unlimited seats (per-seat billing) |
| LangGraph Platform - Self-Hosted/Hybrid (LangSmith Enterprise) | Custom | Self-hosted control plane or hybrid deployment, Custom SSO and RBAC, SOC 2 Type II & ISO/IEC 27001:2022 certified, Support SLA |
Source: https://www.langchain.com/pricing
Agent-readiness
- Discoverability
- 70/100
- Machine-readable content
- 88/100
- Programmatic access
- 88/100
- MCP / agent support
- 75/100
- Self-serve transactability
- 75/100
- Transparency
- 72/100
Security & compliance
- SSO / SAML
- Yes
- Encryption at rest
- Yes
- Encryption in transit
- Yes
- Audit log
- Yes
- Pentest report
- Not publicly documented
"Not publicly documented" means Crail found no public evidence either way — not a confirmed absence. See our methodology. Trust center: https://trust.langchain.com.
FAQ
Does LangGraph have a free tier?
Yes, LangGraph offers a free tier or free trial.
Can you buy LangGraph without talking to sales?
Yes, LangGraph can be purchased self-serve without a sales call.
Does LangGraph have an official MCP (Model Context Protocol) server?
Yes, LangGraph publishes an official MCP server (https://github.com/langchain-ai/langgraph).
What compliance certifications does LangGraph hold?
LangGraph holds: SOC 2 Type II, ISO/IEC 27001:2022.
Reviews
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Methodology & disclosure
Data verified via agent crawled, last checked 2026-07-27. Agent-readiness methodology version crail-ar-v0.1. No vendor payment influences these scores — see our methodology page.