Compare frameworks
DeepEval vs Semantic Kernel vs Mastra
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 | DeepEval | Semantic Kernel | Mastra |
|---|---|---|---|
| Stars | 18,476Synced from sourceCurrent5h ago | 28,608 (highest of the compared values)Synced from sourceCurrent5h ago | 28,378Synced from sourceCurrent5h ago |
| downloads | — | — | 1,980,114Synced from sourceCurrent5h ago |
| Last commit | 2026-09-25Synced from sourceCurrent5h ago | 2026-09-19Synced from sourceCurrent5h ago | 2026-09-28Synced from sourceCurrent5h ago |
| Language | pythonSeeded, unreviewedwritten 1mo ago | csharpSeeded, unreviewedwritten 1mo ago | typescriptSeeded, unreviewedwritten 1mo ago |
| Licence | Apache-2.0Synced from sourceCurrent5h ago | MITSynced from sourceCurrent5h ago | — |
| Archived | noSynced from sourceCurrent5h ago | noSynced from sourceCurrent5h ago | noSynced from sourceCurrent5h ago |
| Category | evaluationSeeded, unreviewedwritten 1mo ago | orchestrationSeeded, unreviewedwritten 1mo ago | orchestrationSeeded, unreviewedwritten 1mo ago |
| Contributors | 337Synced from sourceCurrent5h ago | 416Synced from sourceCurrent5h ago | 682Synced from sourceCurrent5h ago |
| Forks | 1989Synced from sourceCurrent5h ago | 4793Synced from sourceCurrent5h ago | 2871Synced from sourceCurrent5h ago |
| Maintainer | Confident AISeeded, unreviewedwritten 1mo ago | MicrosoftSeeded, unreviewedwritten 1mo ago | MastraSeeded, unreviewedwritten 1mo ago |
| npm downloads, monthly | — | — | 5868462Synced from sourceCurrent5h ago |
| npm downloads, weekly | — | — | 1980114Synced from sourceCurrent5h ago |
| npm package | — | — | @mastra/coreSynced from sourceCurrent5h ago |
| npm window ends | — | — | 2026-09-26Synced from sourceCurrent5h ago |
| Open issues | 676Synced from sourceCurrent5h ago | 338Synced from sourceCurrent5h ago | 477Synced from sourceCurrent5h ago |
| PyPI package | deepevalSynced from sourceCurrent5h ago | semantic-kernelSynced from sourceCurrent5h ago | — |
| PyPI released | 2026-09-24T09:31:55.310624ZSynced from sourceCurrent5h ago | 2026-08-06T09:56:42.518861ZSynced from sourceCurrent5h ago | — |
| Requires Python | <4.0,>=3.9Synced from sourceCurrent5h ago | >=3.10Synced from sourceCurrent5h ago | — |
| PyPI version | 4.2.6Synced from sourceCurrent5h ago | 1.44.1Synced from sourceCurrent5h ago | — |
| Repository | https://github.com/confident-ai/deepevalSynced from sourceCurrent5h ago | https://github.com/microsoft/semantic-kernelSynced from sourceCurrent5h ago | https://github.com/mastra-ai/mastraSynced 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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