Project comparison
Compare adoption, momentum, maintenance health, and project basics before choosing which tool to evaluate deeper.
Evidently is an open-source ML and LLM observability framework. Evaluate, test, and monitor any AI-powered system or data pipeline. From tabular data to Gen AI. 100+ metrics.
Best matched with other platform tools.
Metaflow has the larger GitHub footprint with 10.2K stars.
Metaflow is currently growing faster at +117 stars this week.
Metaflow has the stronger automated maintenance signal at 65/100. This is not a security or fit verdict.
Use these signals to narrow your choice, then confirm setup, license, and fit upstream.
| Signal | Evidently | Metaflow |
|---|---|---|
| Evidence status | Basic listing· 2026-10-04 09:18 UTC | Basic listing· 2026-10-04 09:18 UTC |
| GitHub stars | 8.0K | 10.2K |
| Weekly growth | +71 | +117 |
| Health score | Watch54/100 | Healthy65/100 |
| Contributors | 97 | 143 |
| Commits per week | 0.2 | 4.6 |
| Open issues | 323 | 488 |
| Language | Jupyter Notebook | Python |
| License | Apache-2.0 | Apache-2.0 |
| Last commit | 2026-09-29 08:32 UTC | 2026-08-02 02:39 UTC |
| Last release | v0.7.23 | 2.19.35 |
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