Comet is an end-to-end model evaluation platform designed for developers and machine learning teams. Comet provides a unified solution to track and compare training runs, log and evaluate large language model (LLM) responses, version models and training data, and monitor models in production—all within a single platform.
The platform addresses the challenges of managing and evaluating complex machine learning workflows. By centralizing experiment tracking, model versioning, and production monitoring, Comet helps teams improve the accuracy and reliability of their AI models. Users can gain insights into model performance, enhance team collaboration, and maintain full visibility over their machine learning lifecycle.
Comet’s value proposition lies in its focus on comprehensive model evaluation and integration with modern ML practices, making it a popular choice for organizations aiming to build better AI models efficiently. The platform is trusted by thousands of users, including multiple Fortune 100 companies.
Who Uses Comet?
Comet serves a broad range of businesses, from AI-first startups to established enterprises. Notable customers include AssemblyAI, Natwest, Uber, Mobileye, Etsy, Netflix, Zappos, Hugging Face, Google AI, Ancestry, and Shopify, illustrating its adoption across industries such as fintech, mobility, e-commerce, and technology.
How Was Comet Started?
Comet was founded by a team of experts in machine learning, software engineering, and business operations. The founding team includes:
- Gideon Mendels (CEO & Co-founder): Computer scientist and ML researcher, with experience at Columbia University and Google.
- Nimrod Lahav (CTO & Co-founder): Software engineer with leadership roles at Wix, VMware, and Amdocs.
- Jacques Verré (Head of Product): Data scientist with a background at Triptease, Worldpay, and Brightmile.
- Eyal Alon (CFO): Finance leader with analytics expertise from NYU Stern.
- Niko Laskaris (VP of Sales and Partnerships): Former Yale University researcher and entrepreneur.
- Doug Blank, Ph.D. (Head of Research): AI researcher and Jupyter Project contributor, with a history in academia.
- Amir Zucker (VP of Engineering): Former team leader at Google, SparkBeyond, and LivePerson.
- Claire Peña (VP of Marketing): Go-to-market leader with experience at VictorOps and Splunk.
- Claire Longo (Head of Customer Success): AI and MLOps expert, advocate for women in AI.
- Shir Rinot (Chief of Staff): Business operations and technology leader with a background in Israel’s Unit 8200 and Firedome.
The team’s diverse expertise drives Comet’s mission to empower developers and organizations to build, evaluate, and manage AI models at scale. More about the team and company journey can be found on their About page.
Where Is Comet Based?
Comet is headquartered in New York, NY, United States, and operates as a privately held company with 51-200 employees.
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