Lifecycle, licence, release, pricing and hosting changes to LangGraph Persistence in the AI Agent Infrastructure Landscape. https://mrpeppersdev.github.io/agent-infrastructure-landscape/feeds/langgraph-persistence--docs-langchain-com.xml 2026-10-22T00:00:00Z AI Agent Infrastructure Landscape https://mrpeppersdev.github.io/agent-infrastructure-landscape/systems/langgraph-persistence--docs-langchain-com#2026-10-22-d1f77cf661 2026-10-22T00:00:00Z

License: “not applicable — not OSS” → “MIT”. Latest release: “not applicable — not OSS” → “langgraph v1.2.16 (2026-10-16)”. Pricing: “OSS free (MIT); LangGraph Platform (now LangSmith Deployment as of Oct 2025): Free Developer plan 100k nodes/mo; Pl…” → “OSS free (MIT); LangSmith Developer $0 (5k traces/mo, 1 seat); Plus $39/seat/mo (1 free small serverless deployment); deployments metered at $1/LSU by compute+memory; Enterprise custom”. Funding / ownership: “$160M total (LangChain parent); $1.2B valuation; Series B Oct 2025” → “LangChain parent: $125M Series B at $1.25B valuation (2025-10); total not stated”. MCP support: “via official adapter — LangChain MCP adapters” → “yes — Agent Server exposes deployed graphs as MCP tools at /mcp (streamable HTTP); MCP client via langchain[mcp] adapter”. Source change: https://github.com/MrPeppersDev/agent-infrastructure-landscape/pull/219