Best OpenML Alternatives in 2026

20 apps from ML experiment tracking software ranked against OpenML on the same published basis.

  1. 1OpenML vs Comet
  2. 2OpenML vs Weights & Biases
  3. 3OpenML vs ClearML
  4. 4OpenML vs MLRun
  5. 5OpenML vs TensorBoard
  6. 6OpenML vs Trackio
  7. 7OpenML vs ZenML
  8. 8OpenML vs GitLab Package Registry
  9. 9OpenML vs Hopsworks AI Lakehouse
  10. 10OpenML vs Metaflow
  11. 11OpenML vs Amazon SageMaker Autopilot
  12. 12OpenML vs DagsHub
  13. 13OpenML vs Databricks Notebooks
  14. 14OpenML vs MLflow GenAI Evaluation
  15. 16OpenML vs Polyaxon
  16. 17OpenML vs Guild AI
  17. 18OpenML vs FastTrackML
  18. 19OpenML vs Oríon
  19. 20OpenML vs LUML Flow
  20. 21OpenML vs Sacred

OpenML alternatives compared

#AppScoreFree planFromRuns on
1Comet6.7Free plan$19/moAPI, Linux, Mac, self-hosted, Web, Windows
2Weights & Biases6.7Free plan$60/moAPI, iOS, Linux, Mac, self-hosted, Web, Windows
3ClearML6.6Free plan$15/moAPI, Linux, Mac, self-hosted, Web, Windows
4MLRun6.6Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
5TensorBoard6.6Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
6Trackio6.6Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
7ZenML6.6Free plan$999/moAPI, Linux, Mac, self-hosted, Web, Windows
8GitLab Package Registry6.5Free plan$2.42/moAPI, Linux, self-hosted, Web
9Hopsworks AI Lakehouse6.5Free planFreeAPI, Linux, self-hosted, Web
10Metaflow6.5Free planFreeAPI, Linux, Mac, self-hosted, Web
11Amazon SageMaker Autopilot6.4No—API, Web
12DagsHub6.4Free plan$99/moAPI, self-hosted, Web
13Databricks Notebooks6.4Free planFreeWeb
14MLflow GenAI Evaluation6.3Free planFreeAPI, self-hosted, Web
16Polyaxon6.3Free planFreeAPI, self-hosted, Web
17Guild AI5.7No—Linux, Mac, Web, Windows
18FastTrackML5.5No—API, Linux, Mac, self-hosted, Web, Windows
19Oríon5.5No—Linux, Mac, Windows
20LUML Flow5.4No——
21Sacred5.3No—Linux, self-hosted
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Questions about OpenML alternatives

What is the best alternative to OpenML?

Comet, number 1 in ML experiment tracking software with a score of 6.7 out of 10. The others here: Weights & Biases, ClearML, MLRun and 16 more.

What is the best free alternative to OpenML?

Comet is the best-ranked alternative with a free plan. 14 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.