Compare frameworks
Instructor vs Letta
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 | Letta |
|---|---|---|
| Stars | 14,101Synced from sourceCurrent3h ago | 25,382 (highest of the compared values)Synced from sourceCurrent3h ago |
| downloads | 13,080,962Synced from sourceStale2mo ago· past SLA | — |
| Last commit | 2026-11-06Synced from sourceCurrent3h ago | 2026-10-18Synced from sourceCurrent3h ago |
| Language | pythonSeeded, unreviewedwritten 2mo ago | pythonSeeded, unreviewedwritten 2mo ago |
| Licence | MITSynced from sourceCurrent3h ago | Apache-2.0Synced from sourceCurrent3h ago |
| Archived | noSynced from sourceCurrent3h ago | noSynced from sourceCurrent3h ago |
| Category | structured-outputSeeded, unreviewedwritten 2mo ago | memorySeeded, unreviewedwritten 2mo ago |
| Contributors | 268Synced from sourceCurrent3h ago | 155Synced from sourceCurrent3h ago |
| Forks | 1360Synced from sourceCurrent3h ago | 2667Synced from sourceCurrent3h ago |
| Maintainer | 567 LabsSeeded, unreviewedwritten 2mo ago | LettaSeeded, unreviewedwritten 2mo ago |
| Open issues | 11Synced from sourceCurrent3h ago | 0Synced from sourceCurrent3h ago |
| PyPI downloads, monthly | 27671654Synced from sourceStale2mo ago· past SLA | — |
| PyPI downloads, weekly | 13080962Synced from sourceStale2mo ago· past SLA | — |
| PyPI package | instructorSynced from sourceCurrent3h ago | lettaSynced from sourceCurrent3h ago |
| PyPI released | 2026-09-09T02:25:54.888746ZSynced from sourceCurrent3h ago | 2026-10-12T20:47:35.858621ZSynced from sourceCurrent3h ago |
| Requires Python | <4.0,>=3.9Synced from sourceCurrent3h ago | >=3.9Synced from sourceCurrent3h ago |
| PyPI version | 1.17.0Synced from sourceCurrent3h ago | 0.34.12Synced from sourceCurrent3h ago |
| Repository | https://github.com/567-labs/instructorSynced from sourceCurrent3h ago | https://github.com/letta-ai/lettaSynced from sourceCurrent3h ago |
Sources: GitHub REST API, npm registry downloads, PyPI registry metadata, pypistats.org downloads. Most recent observation 3h 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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