Compare frameworks
Vercel AI SDK vs LangChain vs AutoGen
Every figure below carries the source that reported it and the moment it was observed. Values that failed validation are withheld rather than shown, and a dash means no source we track carries that field for that framework.
| Field | Vercel AI SDK | LangChain | AutoGen |
|---|---|---|---|
| Stars | 26,936Synced from sourceCurrent1h ago | 147,021 (highest of the compared values)Synced from sourceCurrent1h ago | 61,149Synced from sourceCurrent1h ago |
| downloads | 17,883,737 (highest of the compared values)Synced from sourceCurrent1h ago | 2,026,447Synced from sourceCurrent1h ago | 47,487Synced from sourceStale7d ago |
| Last commit | 2026-09-25Synced from sourceCurrent1h ago | 2026-09-24Synced from sourceCurrent1h ago | 2026-04-15Synced from sourceCurrent1h ago |
| Language | typescriptSeeded, unreviewedwritten 1mo ago | pythonSeeded, unreviewedwritten 1mo ago | pythonSeeded, unreviewedwritten 1mo ago |
| Licence | — | MITSynced from sourceCurrent1h ago | CC-BY-4.0Synced from sourceCurrent1h ago |
| Archived | noSynced from sourceCurrent1h ago | noSynced from sourceCurrent1h ago | noSynced from sourceCurrent1h ago |
| Category | orchestrationSeeded, unreviewedwritten 1mo ago | orchestrationSeeded, unreviewedwritten 1mo ago | multi-agentSeeded, unreviewedwritten 1mo ago |
| Contributors | 716Synced from sourceCurrent1h ago | 3740Synced from sourceCurrent1h ago | 534Synced from sourceCurrent1h ago |
| Forks | 5188Synced from sourceCurrent1h ago | 24603Synced from sourceCurrent1h ago | 9251Synced from sourceCurrent1h ago |
| Maintainer | VercelSeeded, unreviewedwritten 1mo ago | LangChainSeeded, unreviewedwritten 1mo ago | MicrosoftSeeded, unreviewedwritten 1mo ago |
| npm downloads, monthly | 87791075Synced from sourceCurrent1h ago | 10553700Synced from sourceCurrent1h ago | — |
| npm downloads, weekly | 17883737Synced from sourceCurrent1h ago | 2026447Synced from sourceCurrent1h ago | — |
| npm package | aiSynced from sourceCurrent1h ago | langchainSynced from sourceCurrent1h ago | — |
| npm window ends | 2026-09-21Synced from sourceCurrent1h ago | 2026-09-21Synced from sourceCurrent1h ago | — |
| Open issues | 1429Synced from sourceCurrent1h ago | 569Synced from sourceCurrent1h ago | 1099Synced from sourceCurrent1h ago |
| PyPI downloads, monthly | — | — | 263297Synced from sourceStale7d ago |
| PyPI downloads, weekly | — | — | 47487Synced from sourceStale7d ago |
| PyPI package | — | langchainSynced from sourceCurrent1h ago | pyautogenSynced from sourceCurrent1h ago |
| PyPI released | — | 2026-09-18T17:31:10.056247ZSynced from sourceCurrent1h ago | 2025-07-15T00:37:26.170442ZSynced from sourceCurrent1h ago |
| Requires Python | — | <4.0.0,>=3.10.0Synced from sourceCurrent1h ago | >=3.10Synced from sourceCurrent1h ago |
| PyPI version | — | 1.4.2Synced from sourceCurrent1h ago | 0.10.0Synced from sourceCurrent1h ago |
| Repository | https://github.com/vercel/aiSynced from sourceCurrent1h ago | https://github.com/langchain-ai/langchainSynced from sourceCurrent1h ago | https://github.com/microsoft/autogenSynced from sourceCurrent1h ago |
Sources: GitHub REST API, npm registry downloads, PyPI registry metadata, pypistats.org downloads. Most recent observation 1h ago. Where a row is marked, ▲ is the highest of the values shown and ▼ the lowest — arithmetic on the figures above, not a ranking or a recommendation. Rows where neither extreme is meaningful are left unmarked rather than given a direction they do not have.
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