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Comet

The AI developer platform

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Comet is an AI evaluation platform for developers, with the open-source Opik product covering LLM observability, agent testing, optimization, and monitoring across development and production. It also includes ML experiment management, model versioning, and production monitoring.

Opik provides tracing with integrations for AI frameworks and model providers, Test Suites and assertions, evaluation datasets with built-in and custom metrics, expert annotation queues, and the Ollie assistant for analyzing traces and proposing fixes. Cost Intelligence tracks coding agent spend, and Diagnostics surfaces recurring issues. Comet Experiment Management adds experiment tracking, model versioning, dataset management, and production monitoring.

Opik is available as open source, a free cloud plan for individuals, a Pro plan for teams, and an Enterprise plan with custom usage, flexible deployments, single sign-on, and compliance certifications. A free tier is available without a credit card, and Pro includes a trial.

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