LangChain's framework for controllable agent workflows with durable execution, memory and human-in-the-loop.
WebsiteProvisional comparison
LangGraph vs Vercel AI SDK
LangGraph is provisional S-tier and Vercel AI SDK is provisional A-tier on Agent Frameworks & SDKs. Rankings are never for sale.
Full Agent Frameworks & SDKs tier list
Open-source TypeScript toolkit for AI apps and agents with streaming and multi-model support.
Website| Field | LangGraph | Vercel AI SDK |
|---|---|---|
| Tier | S · provisional | A · provisional |
| Why | De facto standard for stateful agent graphs (43k+ stars) with a large ecosystem. | Default AI toolkit for Next.js/TypeScript developers (27k+ stars). |
| Pricing | open-source | open-source |
| GitHub stars | 43,321 | 27,335 |
| Last push | Oct 15, 2026 | Oct 15, 2026 |
| Last verified | Oct 15, 2026 | Oct 15, 2026 |