# Opik shipped an update > Source: > Published: 2026-09-23 08:28:57+00:00 # Opik Comet's open-source platform for LLM and agent tracing, evaluation, prompt management and monitoring. ## Sources and review Checked against public documentation on . Suitability guidance is our editorial judgment; this is not a performance benchmark or an endorsement. Teams that want a fully self-hostable alternative to commercial LLM observability tools. ## About Opik Opik, built by Comet, covers the LLM application lifecycle from the first trace in development to production monitoring: agent tracing and observability, LLM-as-a-judge and other evaluations, prompt management and production dashboards. It is Apache-2.0 licensed and free to self-host in full, with a hosted option on Comet.com and an MCP integration for coding agents. Opik is an open-source project written primarily in Python, with 22k stars on GitHub. It was last updated in September 2026. ``` pip install opik ``` **Make your product part of the discovery.** Explore advertising ## Opik vs. the alternatives [All 34 alternatives →](https://agentsearchengine.app/alternatives/opik)