Comet
AI dev platform for model evaluation & ops.
New York, NY, USA
Founded 2017
Comet provides an end-to-end model evaluation platform for AI developers. Its technology includes features for logging traces and spans, defining and computing evaluation metrics, scoring LLM outputs, and comparing performance across app versions.
Websites:
Last Updated: April 23, 2026
Current Valuation
No valuation data available
Funding Summary
$69.3M
Total reported funding
Announcement
June 9, 2026
GlobeNewswire: Comet Launches Cost Intelligence in Opik — the First Tool to Give Engineering Leaders Complete Visibility Into Claude Code and Codex Spend
Media Mention
June 1, 2026
Arize AI Blog: The best eval harness for production AI and agents: A comparison
OSS News & Views
May 23, 2026
Artificial Intelligence in Plain English: LLM Agent Evaluation: When to Use Heuristics, Judges, and Juries | by Tarun Jain | May, 2026 | Artificial Intelligence in Plain English
Media Mention
May 16, 2026
Braintrust: Best LLM evaluation tools with SDK integrations (2026)
OSS News & Views
April 23, 2026
Cerebral Valley: Comet is Closing the Loop Between Production and Development for AI Agents
Showing 1-5 of 8 headlines
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Key People
Core OSS Projects
Opik is an open-source platform for evaluating, testing and monitoring LLM applications.
License: Apache 2.0
The deep learning framework to pretrain, finetune and deploy AI models.
License: Apache-2.0
Business Information
Category
Data ScienceTechnologies
AI evaluationObservability
Sectors
Enterprise
Licenses
Apache-2.0
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