Compare frameworks
Pydantic AI vs AutoGen vs Vercel AI SDK
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 | Pydantic AI | AutoGen | Vercel AI SDK |
|---|---|---|---|
| Stars | 20,133Synced from sourceCurrent2h ago | 61,130 (highest of the compared values)Synced from sourceCurrent2h ago | 26,922Synced from sourceCurrent2h ago |
| downloads | 3,076,771Synced from sourceStale1mo ago· past SLA | 47,487Synced from sourceAging6d ago | 17,883,737 (highest of the compared values)Synced from sourceCurrent2h ago |
| Last commit | 2026-09-24Synced from sourceCurrent2h ago | 2026-04-15Synced from sourceCurrent2h ago | 2026-09-24Synced from sourceCurrent2h ago |
| Language | pythonSeeded, unreviewedwritten 1mo ago | pythonSeeded, unreviewedwritten 1mo ago | typescriptSeeded, unreviewedwritten 1mo ago |
| Licence | MITSynced from sourceCurrent2h ago | CC-BY-4.0Synced from sourceCurrent2h ago | — |
| Archived | noSynced from sourceCurrent2h ago | noSynced from sourceCurrent2h ago | noSynced from sourceCurrent2h ago |
| Category | structured-outputSeeded, unreviewedwritten 1mo ago | multi-agentSeeded, unreviewedwritten 1mo ago | orchestrationSeeded, unreviewedwritten 1mo ago |
| Contributors | 589Synced from sourceCurrent2h ago | 534Synced from sourceCurrent2h ago | 715Synced from sourceCurrent2h ago |
| Forks | 2768Synced from sourceCurrent2h ago | 9246Synced from sourceCurrent2h ago | 5180Synced from sourceCurrent2h ago |
| Maintainer | PydanticSeeded, unreviewedwritten 1mo ago | MicrosoftSeeded, unreviewedwritten 1mo ago | VercelSeeded, unreviewedwritten 1mo ago |
| npm downloads, monthly | — | — | 87791075Synced from sourceCurrent2h ago |
| npm downloads, weekly | — | — | 17883737Synced from sourceCurrent2h ago |
| npm package | — | — | aiSynced from sourceCurrent2h ago |
| npm window ends | — | — | 2026-09-21Synced from sourceCurrent2h ago |
| Open issues | 965Synced from sourceCurrent2h ago | 1098Synced from sourceCurrent2h ago | 1462Synced from sourceCurrent2h ago |
| PyPI downloads, monthly | 13478631Synced from sourceStale1mo ago· past SLA | 263297Synced from sourceAging6d ago | — |
| PyPI downloads, weekly | 3076771Synced from sourceStale1mo ago· past SLA | 47487Synced from sourceAging6d ago | — |
| PyPI package | pydantic-aiSynced from sourceCurrent2h ago | pyautogenSynced from sourceCurrent2h ago | — |
| PyPI released | 2026-09-24T03:23:01.147978ZSynced from sourceCurrent2h ago | 2025-07-15T00:37:26.170442ZSynced from sourceCurrent2h ago | — |
| Requires Python | >=3.10Synced from sourceCurrent2h ago | >=3.10Synced from sourceCurrent2h ago | — |
| PyPI version | 2.49.0Synced from sourceCurrent2h ago | 0.10.0Synced from sourceCurrent2h ago | — |
| Repository | https://github.com/pydantic/pydantic-aiSynced from sourceCurrent2h ago | https://github.com/microsoft/autogenSynced from sourceCurrent2h ago | https://github.com/vercel/aiSynced from sourceCurrent2h ago |
Sources: GitHub REST API, npm registry downloads, PyPI registry metadata, pypistats.org downloads. Most recent observation 2h 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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