Opik AI

Open-source LLM evaluation and observability platform by Comet

Code & DevelopmentFreemium

Opik (by Comet) is an open-source platform for evaluating, testing, and monitoring LLM applications. It provides automated evaluation pipelines, hallucination detection, RAG tracing, and a feedback collection interface. Opik integrates with LangChain, LlamaIndex, and OpenAI SDK to add observability to any LLM application with minimal code changes.

Key Features

• ✓Open-source LLM evaluations
• ✓RAG tracing and debugging
• ✓Hallucination detection
• ✓Human feedback collection
• ✓LangChain and LlamaIndex integration
• ✓Hosted and self-hosted options