An independent, evidence-weighted trust comparison of two observability & evaluation — ranked on verifiable signals, not popularity.
| Signal | MLflow | LangWatch |
|---|---|---|
| HVTrust score | 90.7 | 83.7 |
| Evidence grade | A | A |
| Registry state | Listed | Listed |
| Safety / Integrity (25) | 19.5 | 18.2 |
| Identity / Provenance (18) | 18.0 | 18.0 |
| Transparency (17) | 13.3 | 12.6 |
| Maintenance (20) | 20.0 | 19.9 |
| Adoption (20) | 19.9 | 15.0 |
| GitHub stars | 26.3k | 3.3k |
| Weekly downloads | 8,854,944 | 82,240 |
| Last push | 2026-06-05 | 2026-06-04 |
| Language | Python | TypeScript |
| OSSF Scorecard | 5.6 | 4.8 |
| Review flags | — | — |
| Recent change | 2026-06-02: First tracked at rank #9 | 2026-06-05: Package provenance attestation detected |