At a glance
- Opik is listed under LLM observability, alongside Braintrust, Confident AI and Helicone.
- Opik has a free plan.
- Opik's lowest paid plan is Pro Cloud at $19 per month, as of November 14, 2026.
- Opik offers a free trial (length not stated).
- Opik works with LangChain, OpenAI, CrewAI and Ragas.
- Opik's main features: LLM-as-a-judge evaluation, Production monitoring, Test suites, Prompt optimizer.
- Opik's website lists SOC 2, ISO 27001, GDPR, HIPAA and SSO.
- Opik has a public API.
- Opik can be self-hosted.
Facts from comet.com, checked November 14, 2026.
The summary writes itself once 5 people have reviewed this tool.
It's built only from what reviewers say: who it's best for, who should think twice, and what comes up again and again.


