Weights & Biases by CoreWeave is where AI researchers and engineers track what they build and make the next version better. Weights & Biases Models accelerates model development, whether you're training or post-training, with experiment tracking, scalable hyperparameter sweeps, interactive analysis, and automated workflows. It's part of CoreWeave Forge, the development layer for the whole AI loop: run, observe, curate, improve, evaluate, and run again. Forge stays open to any model, framework, or cloud. Closed loop. Open stack. Start building on CoreWeave Forge: https://www.coreweave.com/products/coreweave-forge
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Weights & Biases Questions
The Weights & Biases annual revenue was $37.8 million in 2026.
Chris van Pelt is the Co-Founder and CISO of Weights & Biases.
206 people are employed at Weights & Biases.
Weights & Biases is based in San Francisco, California.
The NAICS codes for Weights & Biases are [51121, 518, 511, 5112, 511210, 51].
The SIC codes for Weights & Biases are [737, 73].
Top Weights & Biases Employees
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Chris van Pelt
Co-Founder and CISO at Weights & Biases
San Francisco, CA, US34 -
44
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Casey Brown
Head of Infrastructure at Weights & Biases
San Francisco, CA, US55+ -
Taylor Holland
Head of Data at Weights & Biases
California, United States32 -
John Mulhausen
Director, Documentation at Weights & Biases
San Francisco, CA, US33 -
Annirudh Prasad
Director of Software Engineering at Weights & Biases
San Francisco, CA, US33 -
Russell Ratshin
Senior Director, Product Marketing at Weights & Biases
Los Angeles, CA, US43 -
Jason Z.
Senior Director of Engineering at Weights & Biases
Denver, CO, US12 -
Frederic Pinchon
Director of Revenue Analytics at Weights & Biases
California, United States35+ -
Cassandra Gamm
Staff Product Manager at Weights & Biases
San Francisco, CA, US33
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