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MLflow vs Opik: catalog facts
MLflow	Opik
Free Free and open source.	Free The open-source platform is free to self-host.
Web, Self-hosted, Command line	Web, Self-hosted
Tracing built on OpenTelemetry, independent of LLM provider 50+ built-in evaluation metrics and LLM judges	Tracing, automated evaluations and dashboards together Covers RAG systems and agent workflows
Broad feature set takes time to learn Running it for a team means hosting and maintaining a server yourself	Self-hosting means running several services yourself Contributors must sign a CLA
Downloadable app, Self-hosted	Self-hosted
Open source	Open source
License: Apache-2.0	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.