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Opik

Open-source LLM evaluation and observability platform by Comet.

Opik is Comet's open-source LLM evaluation and observability platform that provides comprehensive tracing, evaluation, and monitoring for LLM applications in development and production. It captures detailed traces of every LLM call, evaluation metrics, and user feedback — enabling teams to systematically measure quality, catch regressions, and improve AI application performance over time. AI engineering teams building production LLM applications use Opik to implement rigorous quality assurance practices — moving from ad hoc testing to systematic, reproducible evaluation workflows that ensure consistent, reliable AI behavior.

Opik is an AI-powered QA tool listed on Nextool.ai, a directory of 10,000+ AI tools. Opik offers a free plan with paid tiers for advanced features. Browse the QA category on Nextool.ai to compare similar tools, read reviews, and find the best fit for your workflow.

Opik Pricing

Opik offers a free plan with paid tiers for advanced features.

Opik Features

  • LLM evaluation and tracing
  • Experiment tracking
  • Prompt and dataset versioning
  • CI/CD integration
  • Team collaboration
  • Open-source platform

What Can You Use Opik For?

  • Evaluating LLM application quality
  • Tracking ML experiment results
  • Production AI monitoring
  • Team AI development workflows

Frequently Asked Questions

What is Opik?

Open-source LLM evaluation and observability platform by Comet.

Is Opik free?

Opik offers a free plan with paid tiers for advanced features.

What can I use Opik for?

Opik is an AI-powered tool in the QA category. Open-source LLM evaluation and observability platform by Comet.

What are the best Opik alternatives?

You can find the best Opik alternatives on our Opik alternatives page. Nextool.ai lists hundreds of QA tools so you can compare features and pricing side by side.

How do I get started with Opik?

To try Opik, visit the Opik website. Opik offers a free plan with paid tiers for advanced features. You can also explore alternative QA tools on Nextool.ai to compare options before committing.

Best QA Alternatives to Opik

  • Promptfoo — Open-source CLI and library for testing and evaluating LLM prompts.
  • Functionize — AI-powered test automation platform that uses ML and NLP to create, execute, and maintain automated tests without coding.
  • BentoML — Open-source platform for AI model deployment
  • SambaNova Cloud
  • Meta AI — Meta's AI assistant powered by Llama
  • Zed AI — High-performance code editor with built-in AI assistant and collaboration.
  • Kilo Code
  • Cursor Background Agent — Cursor's autonomous background coding agent

See all Opik alternatives

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