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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Phone
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Website
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Social
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- Legal Name Weights And Biases, Inc
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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.
- Total Funding Total Funding
- Total Rounds 5
- Last Round Series C — $50.0M
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First Round
First Round
(01 Jun 2018)
- Investors Count 13
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Aug, 2023 | Amount | Series C - Weights & Biases | Valuation | Nat Friedman , Daniel Gross | |
| Oct, 2021 | Amount | Series C - Weights & Biases | Valuation | Felicis Ventures , Bond Capital | |
| Feb, 2021 | Amount | Series B - Weights & Biases | Valuation | Insight Partners |
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Jul, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
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| Feb, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
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| Jan, 2021 | Amount | Post-IPO - Grab | Valuation |
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| Feb, 2021 | Amount | Post-IPO - Grab | Valuation |
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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. This diverse investor base provides strategic capital, industry expertise, and valuable network connections that support the company's growth initiatives, market expansion, and long-term value creation.
| Investor | Description | Founded Year | Domain | Location |
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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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Founded Year | Domain | Location |
| Investor | Description | Founded Year | Domain | Location |
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Single family office of Amitabh Bachchan, founder of Amitabh Bachchan Corporation or AB CORP
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Founded Year | Domain | Location | |
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Startup ecosystems are ignited through strategic investments by Signite Partners.
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Venture capital is directed toward companies in multiple sectors.
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Founded Year | Domain | Location | |
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Venture capital is invested in cybersecurity, fintech, and AI startups.
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Founded Year | Domain | Location |
Investments & Acquisitions by Weights & Biases
| Company Name | Description | Domain | Location | Founded Year | Amount |
|---|---|---|---|---|---|
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Bionic investment advisor platform
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2016 | ||||
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Fine Asian gourmet food is offered by an internet-first restaurant.
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2016 | ||||
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Physical e-commerce kiosks are deployed for rural purchases in Indonesia.
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2014 | ||||
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Fine Asian gourmet food is offered by an internet-first restaurant.
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2016 |
Financial Statements - Weights Biases
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Jul, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
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| Feb, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
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| Jan, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
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| Feb, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
Weights & Biases Comparisons
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. This competitive environment drives innovation, market differentiation, and strategic positioning as companies strive to capture market share and deliver value to their customers. Understanding the competitive dynamics is crucial for assessing market positioning, identifying growth opportunities, and navigating the challenges inherent in a competitive marketplace.
| Company Name | Domain | Founded year | HQ Location | Description |
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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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| Company Name | Domain | Founded year | HQ Location | Description |
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Multiple services are booked via an app-based platform.
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On-demand services are booked through an app-based platform.
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| domain | founded_year | HQ Location |
App based platform offering on demand delivery and ride-hailing services
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| domain | founded_year | HQ Location |
Operates an on-demand hyperlocal delivery app for food and groceries.
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Latest news on Weights & Biases
Frequently Asked Questions about Weights & Biases
When was Weights & Biases founded?
Weights & Biases was founded in 2017 and raised its 1st funding round 1 year after it was founded.
Where is Weights & Biases located?
Weights & Biases is headquartered in San Francisco, United States. It is registered at San Francisco, California, United States.
Who is the current CEO of Weights & Biases?
Lukas Biewald is the current CEO of Weights & Biases. They have also founded this company.
Is Weights & Biases a funded company?
Weights & Biases is a funded company, having raised a total of $250M across 5 funding rounds to date. The company's 1st funding round was a Series B of $45M, raised on Jun 01, 2018.
How many employees does Weights & Biases have?
As of Dec 31, 2023, the latest employee count at Weights & Biases is 150.
What does Weights & Biases do?
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.
Who are the top competitors of Weights & Biases?
Who are Weights & Biases's investors?
Weights & Biases has 14 investors. Key investors include CoreWeave, Sapphire Ventures, Coatue, Insight Partners, and Felicis Ventures.
What is Weights & Biases's valuation?
The valuation of Weights & Biases is $1.25B as of Aug 2023.
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