# Opik

> Opik is a free, open-source app you can self-host in the 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. It has 22,399 GitHub stars, is released under the Apache-2.0 license and ships a Docker image.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/comet-ml/opik |
| Website | https://www.comet.com/site/products/opik/ |
| GitHub stars | 22,399 |
| Forks | 1,843 |
| Open issues | 82 |
| License | Apache-2.0 |
| License type | Open source |
| Language | Python |
| Docker image | Yes |
| Platforms | Docker, Python |
| Categories | API Management |
| Commits, last 12 months | 3,961 |
| Last commit | Oct 6, 2026 |
| Latest release | 2.2.90 (Oct 5, 2026) |
| Created | May 10, 2023 |
| Maintenance | Actively maintained |
| Archived | No |

Topics: open-source, langchain, openai, playground, prompt-engineering, llama-index, llm, llm-evaluation, llm-observability, llmops

## Install

Opik ships a Docker image; follow the README at https://github.com/comet-ml/opik for the image name and environment variables.

Need it installed for you? [appsgit installation help](https://appsgit.com/services/install): a fixed quote by email, single app installs from $79.

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