---
title: "opik"
type: "tool"
slug: "comet-ml-opik"
canonical_url: "https://www.graphcanon.com/tools/comet-ml-opik"
github_url: "https://github.com/comet-ml/opik"
homepage_url: "https://www.comet.com/docs/opik/"
stars: 20393
forks: 1587
primary_language: "Python"
license: "Apache-2.0"
categories: ["evaluation-observability"]
tags: ["evaluation", "llm-observability", "llm-evaluation"]
updated_at: "2026-07-07T18:26:52.039028+00:00"
---

# opik

> Debug, evaluate, and monitor your LLM applications with comprehensive tracing, automated evaluations, and production-ready dashboards.

Opik provides open-source AI observability, evaluation, and optimization tools to streamline the development of generative AI applications from prototype to production.

## Facts

- Repository: https://github.com/comet-ml/opik
- Homepage: https://www.comet.com/docs/opik/
- Stars: 20,393 · Forks: 1,587 · Open issues: 146 · Watchers: 123
- Primary language: Python
- License: Apache-2.0
- Last pushed: 2026-07-07T17:10:57+00:00

## Categories

- [Evaluation & Observability](/categories/evaluation-observability.md)

## Tags

evaluation, llm-observability, llm-evaluation

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## README (excerpt)

```text
<div align="center"><b><a href="README.md">English</a> | <a href="readme_CN.md">简体中文</a> | <a href="readme_JP.md">日本語</a> | <a href="readme_PT_BR.md">Português (Brasil)</a> | <a href="readme_KO.md">한국어</a><br><a href="readme_ES.md">Español</a> | <a href="readme_FR.md">Français</a> | <a href="readme_DE.md">Deutsch</a> | <a href="readme_RU.md">Русский</a> | <a href="readme_AR.md">العربية</a> | <a href="readme_HI.md">हिन्दी</a> | <a href="readme_TR.md">Türkçe</a></b></div>


<h1 align="center" style="border-bottom: none">
    <div>
        <a href="https://www.comet.com/site/products/opik/?from=llm&utm_source=opik&utm_medium=github&utm_content=header_img&utm_campaign=opik"><picture>
            <source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/comet-ml/opik/refs/heads/main/apps/opik-documentation/documentation/static/img/logo-dark-mode.svg">
            <source media="(prefers-color-scheme: light)" srcset="https://raw.githubusercontent.com/comet-ml/opik/refs/heads/main/apps/opik-documentation/documentation/static/img/opik-logo.svg">
            <img alt="Comet Opik logo" src="https://raw.githubusercontent.com/comet-ml/opik/refs/heads/main/apps/opik-documentation/documentation/static/img/opik-logo.svg" width="200" />
        </picture></a>
        <br>
        Opik
    </div>
</h1>
<h2 align="center" style="border-bottom: none">Open-source AI Observability, Evaluation, and Optimization</h2>
<p align="center">
Opik helps you build, test, and optimize generative AI applications that run better, from prototype to production.  From RAG chatbots to code assistants to complex agentic systems, Opik provides comprehensive tracing, evaluation, and automatic prompt and tool optimization to take the guesswork out of AI development.
</p>

<div align="center">






</div>

<p align="center">
    <a href="https://www.comet.com/site/products/opik/?from=llm&utm_source=opik&utm_medium=github&utm_content=website_button&utm_campaign=opik"><b>Website</b></a> •
    <a href="https://chat.comet.com"><b>Slack Community</b></a> •
    <a href="https://x.com/Cometml"><b>Twitter</b></a> •
    <a href="https://www.comet.com/docs/opik/changelog"><b>Changelog</b></a> •
    <a href="https://www.comet.com/docs/opik/?from=llm&utm_source=opik&utm_medium=github&utm_content=docs_button&utm_campaign=opik"><b>Documentation</b></a>
</p>

<div align="center" style="margin-top: 1em; margin-bottom: 1em;">
<a href="#-what-is-opik">🚀 What is Opik?</a> • <a href="#%EF%B8%8F-opik-server-installation">🛠️ Opik Server Installation</a> • <a href="#-opik-client-sdk">💻 Opik Client SDK</a> • <a href="#-logging-traces-with-integrations">📝 Logging Traces</a><br>
<a href="#-llm-as-a-judge-metrics">🧑‍⚖️ LLM as a Judge</a> • <a href="#-evaluating-your-llm-application">🔍 Evaluating your Application</a> • <a href="#-star-us-on-github">⭐ Star Us</a> • <a href="#-contributing">🤝 Contributing</a>
</div>

<br>



<a id="-what-is-opik"></a>
## 🚀 What is Opik?

Opik (built by [Comet](https://www.comet.com?from=llm&utm_source=opik&utm_medium=github&utm_content=what_is_opik_link&utm_campaign=opik)) is an open-source platform designed to streamline the entire lifecycle of LLM applications. It empowers developers to evaluate, test, monitor, and optimize their models and agentic systems. Key offerings include:

- **Comprehensive Observability**: Deep tracing of LLM calls, conversation logging, and agent activity.
- **Advanced Evaluation**: Robust prompt evaluation, LLM-as-a-judge, and experiment management.
- **Production-Ready**: Scalable monitoring dashboards and online evaluation rules for production.
- **Opik Agent Optimizer**: Dedicated SDK and set of optimizers to enhance prompts and agents.
- **Opik Guardrails**: Features to help you implement safe and responsible AI practices.

<br>

Key capabilities include:

- **Development & Tracing:**
  - Track all LLM calls and traces with detailed context during development and in production ([Quickstart](htt
```

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/tools/comet-ml-opik`](/api/graphcanon/tools/comet-ml-opik)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_