About Weights & Biases
Weights & Biases is a company based in San Francisco (United States) founded in 2017 by Lukas Biewald, Chris Van Pelt, and Shawn Lewis was acquired by CoreWeave in March 2025. Weights & Biases has raised $250 million across 5 funding rounds from investors including CoreWeave, Sapphire Ventures and Coatue. The company has 150 employees as of December 31, 2023. Weights & Biases operates in a competitive market with competitors including Veritone, Anyscale, Comet, Abacus.AI and DataRobot, among others.
- Headquarter San Francisco, United States
- Employees 150 as on 31 Dec, 2023
- Founders Lukas Biewald, Chris Van Pelt, Shawn Lewis
- Stage Unicorn
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Sectors
Technology
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Email
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- Legal Name Weights And Biases, Inc
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People of Weights & Biases
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Software Development Team
103 people
Leadership Team
32 people
Senior Team
29 people
Finance and Accounting
17 people
Sales and Marketing
14 people
Data Analysis and Operations Team
14 people
Human Resources and Administration
12 people
Operations Team
11 people
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Funding Insights of Weights & Biases
Weights & Biases has successfully raised a total of $250M across 5 strategic funding rounds. The most recent funding activity was a Series C round of $50 million completed in August 2023. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
Investors in Weights & Biases
Weights & Biases has secured backing from 14 investors, including venture fund, angel, and institutional investors. Prominent investors backing the company include CoreWeave, Sapphire Ventures and Coatue.
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Venture capital firm partnering with enterprise software companies and early-stage funds.
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Provider of an investment platform for various stages
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Investment firm scaling software and technology companies from early to late stages.
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Investor details for Weights Biases
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Investments & Acquisitions by Weights & Biases
Investment portfolio details for Weights Biases
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Financial Statements - Weights Biases
Detailed financials for Weights Biases
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Weights & Biases Comparisons
Peer comparison for Weights Biases
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Competitors of Weights & Biases
Weights & Biases operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Veritone, Anyscale, Comet, Abacus.AI and DataRobot, among others.
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AI-driven analytics for audio and video content are provided.
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Provider of an AI-based open source framework for building distributed applications
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AI and SaaS-based ML solutions
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Provides AI based data models creation for data science
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Provider of an AI and cloud based data science platform
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Predictive analytics platform for enterprise data
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Detailed competitors of Weights Biases
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Latest news on Weights & Biases
Complete news archive for Weights Biases
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Frequently Asked Questions about Weights & Biases
Weights & Biases was founded in 2017 and raised its 1st funding round 1 year after it was founded.
Weights & Biases is headquartered in San Francisco, United States. It is registered at San Francisco, California, United States.
Lukas Biewald is the current CEO of Weights & Biases. They have also founded this company.
Weights & Biases is a funded company, having raised a total of $250M across 5 funding rounds to date.
As of Dec 31, 2023, the latest employee count at Weights & Biases is 150.
Weights Biases was founded in 2017 in San Francisco, United States, as a provider of tools for machine learning workflows. Services encompass experiment tracking, hyperparameter management, system metrics monitoring, and prediction analysis. Dataset versioning, data visualization, and model optimization features are included. Operations focus on the machine learning sector, with tools offered through a subscription-based pricing model.
Weights & Biases has 14 investors. Key investors include CoreWeave, Sapphire Ventures, Coatue, Insight Partners, and Felicis Ventures.
The valuation of Weights & Biases is $1.25B as of Aug 2023.