Opik
Open-source LLM evaluation and observability by Comet.
About Opik
Opik traces LLM calls, scores outputs with LLM-as-judge and custom metrics, manages datasets and tracks experiments — including prompt versions.
A good fit for RAG and agent workflows that need repeatable evaluation.
FAQ
What is Opik?
Open-source LLM evaluation and observability by Comet.
Is Opik free?
Yes. Opik is open source and free to use or self-host.
What are some alternatives to Opik?
Agenta, Arize Phoenix, Braintrust, DeepEval, Google AI Studio.