Compare frameworks
Instructor vs Agno 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 | Instructor | Agno | Vercel AI SDK |
|---|---|---|---|
| Stars | 13,951Synced from sourceCurrent5h ago | 42,358 (highest of the compared values)Synced from sourceCurrent5h ago | 27,001Synced from sourceCurrent5h ago |
| downloads | 13,080,962Synced from sourceStale1mo ago· past SLA | 520,626Synced from sourceStale1mo ago· past SLA | 29,813,554 (highest of the compared values)Synced from sourceCurrent5h ago |
| Last commit | 2026-09-27Synced from sourceCurrent5h ago | 2026-09-28Synced from sourceCurrent5h ago | 2026-09-28Synced from sourceCurrent5h ago |
| Language | pythonSeeded, unreviewedwritten 1mo ago | pythonSeeded, unreviewedwritten 1mo ago | typescriptSeeded, unreviewedwritten 1mo ago |
| Licence | MITSynced from sourceCurrent5h ago | Apache-2.0Synced from sourceCurrent5h ago | — |
| Archived | noSynced from sourceCurrent5h ago | noSynced from sourceCurrent5h ago | noSynced from sourceCurrent5h ago |
| Category | structured-outputSeeded, unreviewedwritten 1mo ago | orchestrationSeeded, unreviewedwritten 1mo ago | orchestrationSeeded, unreviewedwritten 1mo ago |
| Contributors | 267Synced from sourceCurrent5h ago | 585Synced from sourceCurrent5h ago | 719Synced from sourceCurrent5h ago |
| Forks | 1271Synced from sourceCurrent5h ago | 6023Synced from sourceCurrent5h ago | 5207Synced from sourceCurrent5h ago |
| Maintainer | 567 LabsSeeded, unreviewedwritten 1mo ago | AgnoSeeded, unreviewedwritten 1mo ago | VercelSeeded, unreviewedwritten 1mo ago |
| npm downloads, monthly | — | — | 92989638Synced from sourceCurrent5h ago |
| npm downloads, weekly | — | — | 29813554Synced from sourceCurrent5h ago |
| npm package | — | — | aiSynced from sourceCurrent5h ago |
| npm window ends | — | — | 2026-09-26Synced from sourceCurrent5h ago |
| Open issues | 111Synced from sourceCurrent5h ago | 1689Synced from sourceCurrent5h ago | 1450Synced from sourceCurrent5h ago |
| PyPI downloads, monthly | 27671654Synced from sourceStale1mo ago· past SLA | 2183543Synced from sourceStale1mo ago· past SLA | — |
| PyPI downloads, weekly | 13080962Synced from sourceStale1mo ago· past SLA | 520626Synced from sourceStale1mo ago· past SLA | — |
| PyPI package | instructorSynced from sourceCurrent5h ago | agnoSynced from sourceCurrent5h ago | — |
| PyPI released | 2026-09-09T02:25:54.888746ZSynced from sourceCurrent5h ago | 2026-09-23T13:15:37.685447ZSynced from sourceCurrent5h ago | — |
| Requires Python | <4.0,>=3.9Synced from sourceCurrent5h ago | <4,>=3.9Synced from sourceCurrent5h ago | — |
| PyPI version | 1.17.0Synced from sourceCurrent5h ago | 3.0.11Synced from sourceCurrent5h ago | — |
| Repository | https://github.com/567-labs/instructorSynced from sourceCurrent5h ago | https://github.com/agno-agi/agnoSynced from sourceCurrent5h ago | https://github.com/vercel/aiSynced from sourceCurrent5h ago |
Sources: GitHub REST API, npm registry downloads, PyPI registry metadata, pypistats.org downloads. Most recent observation 5h 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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