Compare software

DeepEval vs Opik: catalog facts
DeepEval	Opik
Free The framework is free and open source.	Free The open-source platform is free to self-host.
Command line	Web, Self-hosted
Treats LLM output checks like unit tests Very active development with a large user base	Tracing, automated evaluations and dashboards together Covers RAG systems and agent workflows
Aimed at developers comfortable with Python code Evaluations that rely on a judge model may need API access to one	Self-hosting means running several services yourself Contributors must sign a CLA
Downloadable app	Self-hosted
Open source	Open source
License not stated	License not stated
Not stated if an account is 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.