Opik shipped an update Comet's open-source Opik platform, which provides LLM and agent tracing, evaluation, prompt management and monitoring, has shipped an update, according to the project's public documentation. Opik is Apache-2.0 licensed, written primarily in Python, has 22,000 stars on GitHub, and was last updated in September 2026. The platform is fully self-hostable and offers a hosted option on Comet.com plus an MCP integration for coding agents. 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