LangGraph vs AI SDK
LangGraph (LangChain) and AI SDK (Vercel) side by side on public data, as of Oct 6, 2026.
AI SDK has 2.1x the weekly package downloads of LangGraph (34.5M against 16.1M). LangGraph has 1.6x the GitHub stars of AI SDK (42.7K against 27.1K). Over the last 30 days downloads moved -22% for LangGraph and +21% for AI SDK. LangGraph shipped 5 stable releases in the past 90 days.
Side-by-side numbers
| Metric | LangGraph | AI SDK |
|---|---|---|
| Pulse Score | 69 | 67 |
| Overall rank | #10 | #11 |
| Downloads, last 7 days | 16.1M | 34.5M |
| Downloads, 7-day change | up 11.4% | up 13.5% |
| Downloads, 30-day change | down 21.8% | up 20.9% |
| VS Code installs | — | — |
| Marketplace rating | — | — |
| GitHub stars | 42.7K | 27.1K |
| Homebrew installs, 30 days | — | — |
| Hacker News mentions, 30 days | 74 | 6 |
| Latest stable release | 1.2.13 · yesterday | 6.0.301 · yesterday |
| Stable releases, 90 days | 5 | |
| Terminal-Bench (best run) | — | — |
| Price | Free (OSS) | Free (OSS) |
| License | MIT | Apache-2.0 |
| First released | — | — |
| Interfaces | Python library, JavaScript library | TypeScript library |
| Models |
Trends
LangGraph
A low-level orchestration framework for building stateful agents as graphs, with durable execution, persistence and human-in-the-loop steps. Available for Python and JavaScript.
Pricing: LangGraph is open source and free to use; you pay only for the models and infrastructure it runs on.
Latest release 1.2.13:
- fix(langgraph): fork before replaying an update checkpoint the thread moved past
- fix(langgraph): keep an updatestate on an older checkpoint out of its other branches
- fix(langgraph): keep DeltaChannel counters on every updatestate path
- release(langgraph): 1.2.13
AI SDK
Vercel's TypeScript toolkit for building AI applications and agents, with one API across model providers and UI helpers for streaming.
Pricing: AI SDK is open source and free to use; you pay only for the models and infrastructure it runs on.
Latest release 6.0.301:
- Updated dependencies [3824c69]
- Updated dependencies [6e8ec70]
- @ai-sdk/gateway@3.0.210