Opik
Evaluate, test, and ship LLM applications with a suite of observability tools to calibrate language model outputs across your dev and production lifecycle.
- API Management
- Python
- Apache-2.0
- Docker
- Actively maintained
GitHub stats
- GitHub stars
- 22,399
- Forks
- 1,843
- Open issues
- 82
- Commits, last 12 months
- 3,961
- Last commit
- Oct 6, 2026
- Latest release
- 2.2.90Oct 5, 2026
- Created
- May 10, 2023
Data from the GitHub API, refreshed daily.
About Opik
Evaluate, test, and ship LLM applications with a suite of observability tools to calibrate language model outputs across your dev and production lifecycle. Opik is open source under the Apache-2.0 license and written mainly in Python, so you can read the code, run it on your own hardware and keep full control of your data.
The project has 22,399 stars and 1,843 forks on GitHub, with 3,961 commits over the last year. It ships a Docker image, which makes it a good fit for a small VPS or a home server running Docker Compose.
Topics
- open-source
- langchain
- openai
- playground
- prompt-engineering
- llama-index
- llm
- llm-evaluation
- llm-observability
- llmops
Repository preview
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What is Opik?
Opik is a free, open-source app you can host on your own server, listed in our API Management category. Evaluate, test, and ship LLM applications with a suite of observability tools to calibrate language model outputs across your dev and production lifecycle. The source code lives at github.com/comet-ml/opik, where it has 22,399 stars.
Is Opik free and open source?
Yes. Opik is open-source software released under the Apache-2.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.
Can I run Opik with Docker?
Yes. Opik provides a Docker image, so you can run it on any Linux server with Docker and Docker Compose installed. The project README lists the image name and the environment variables to set.
What are the best alternatives to Opik?
Popular open-source alternatives to Opik include Hoppscotch Community Edition, Bruno and Kong.
Is Opik actively maintained?
The most recent commit to Opik was on Oct 6, 2026 with 3,961 commits in the past twelve months. The latest release is 2.2.90, published Oct 5, 2026. Check the open issues on GitHub to gauge how quickly maintainers respond.