Comet's Opik platform provides AI observability, agent testing, evaluation, and monitoring for developers.

comet.com
Comet homepage screenshot

About Comet

Comet provides Opik, a platform for logging LLM traces, testing agents and monitoring production use. It records steps such as context retrieval, tool selection, prompts and user feedback, offers diagnostics that group recurring issues, an agent called Ollie that suggests fixes, and test suites with LLM-as-a-judge metrics for validation. It also includes production dashboards with alerts and cost tracking, and Comet Experiment Management for tracking model training runs with versioning and dataset management.

Listed deployment options include self-hosting the OSS version, using Opik in the cloud, or custom deployment.

Key features

  • Log LLM traces across retrieval, tool selection and prompts
  • Detect and group recurring trace errors with root-cause suggestions
  • Recommend fixes for trace issues via Ollie agent
  • Score trace sets with test suites and LLM-as-a-judge metrics
  • Monitor production agents with dashboards, alerts and cost tracking
  • Track model training runs with versioning and dataset management
Best for: Developers building and operating LLM agents who need tracing, testing and production monitoring.
Good for
  • Offers 60+ integrations for instrumenting trace logging
  • Lists self-host, cloud and custom deployment options
  • Includes agent evaluation and model training run tracking

Comet at a glance

Website
comet.com
Type
Online tool
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Language
English
Good for
Developers
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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Comet FAQ

Can Opik be self-hosted?
Yes, the site lists self-hosting the OSS version, using Opik in the cloud, or custom deployment options.
How is tracing added to a project?
By adding a few lines of code, using one of 60+ integrations or the MCP server.
What does production monitoring include?
Production dashboards, alerts, governance support and model cost tracking.
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