RegistryCompare › MLflow vs OpenLLMetry

MLflow vs OpenLLMetry

An independent, evidence-based trust comparison of MLflow and OpenLLMetry, two Observability & Evaluation projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.

MLflow leads on trust — 88.2/100 (Grade A) vs 83.1/100 (Grade A), a 5.1-point gap. Full breakdown below.
Signal MLflowmlflow/mlflow OpenLLMetrytraceloop/openllmetry
HVTrust score 88.2 83.1
Evidence grade A A
Coverage grade A B
Overall rank #19 #50
Rank in Observability & Evaluation #1 #3
GitHub stars 27.3k 7.3k
Last updated 1d ago 16d ago
Build provenance Yes Yes
OSSF Scorecard 5.5 / 10 6.7 / 10
License Apache-2.0 Apache-2.0
Downloads 8.8M/wk 575k/wk
Trust dimensions (points earned)
Safety / integrity / 25 19.4 19.9
Identity & provenance / 18 18.0 18.0
Transparency / 17 13.2 14.2
Maintenance / 20 19.9 10.9
Adoption / 20 19.9 17.0
Runtime capability surface (full matrix)
MCP server Implemented Implemented
External providers 5 — Amazon Bedrock, Anthropic, Google Gemini, … 5 — Amazon Bedrock, Anthropic, Google Gemini, …
Requires API keys No No
Plugin surface plugins extensions
Provenance drift Unknown Match
Open in the live compare tool → MLflow profile OpenLLMetry profile More Observability & Evaluation →

How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption, scaled by an evidence-confidence factor. Grade bands: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Signals refresh daily. Full methodology v4.2 →