Weights and Biases
Weights and Biases's full profile: funding, valuation, competitors, and the people behind the company.
Updated Mar 24, 2026Awaira Score
Out of 100
HQ
United States
Founded
2017
Raised
$250M
Stage
Acquired
Team
300
Valuation
$1.25B
Post-money
Total Raised
$250M
All rounds
Awaira Score
80/100
Founded
2017
300 employees
Awaira estimate based on public data. Not financial advice.
About Weights and Biases
Weights and Biases is a machine learning platform founded in 2017 that provides infrastructure for experiment tracking, model management, and collaboration in AI development. The company's core product enables data scientists and ML engineers to log, visualize, and compare machine learning experiments, addressing the reproducibility and collaboration challenges inherent in modern AI…
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Strengths
Unicorn status with $1.25B valuation
Elite Awaira Score of 80/100
Growing team of 300 employees
Analysis based on publicly available data. Not investment advice.
Market Position
Weights and Biases is a AI unicorn in the AI Data sector. Founded in 2017, the company is currently at the Acquired stage with a team of approximately 300 employees. With $250M in total disclosed funding, Weights and Biases has demonstrated the ability to attract institutional capital. The company competes with 3 other tracked AI Data companies on Awaira, including Databricks and Patsnap.
Key Numbers
Awaira Score
80/100
Valuation
$1.25B
Total Funding
$250M
Founded
2017
Employees
300
Stage
Acquired
Funding Velocity
5
Total Rounds
$49M
Avg Round Size
5.7yr
Funding Span
Weights and Biases raised 5 rounds over 5.7 years, averaging $49M per round — a pace of roughly one round every 14 months.
Why Track Weights and Biases?
Weights and Biases holds unicorn status in the AI Data space, placing it among the highest-valued private AI companies globally.
Among 3 tracked competitors, Weights and Biases ranks #2 by valuation — a metric investors and analysts use to gauge market standing.
Tracking Weights and Biases on Awaira provides real-time updates on funding rounds, investor activity, and competitive moves in the AI Data market.
Competitor Comparison
| Metric | ★Weights and Biases | Databricks | Patsnap | Pinecone |
|---|---|---|---|---|
| Awaira Score | 80/100 | 93/100 | 80/100 | 76/100 |
| Total Raised | $250M | $20.2B | $300M | $138M |
| Valuation | $1.25B | $134B | $1B | $750M |
| Stage | Acquired | Private | Series E | Series B |
| Founded | 2017 | 2013 | 2007 | 2019 |
| Employees | 300 | 6,000 | 500-1000 | 150 |
| Country | 🇺🇸 | 🇺🇸 | 🇸🇬 | 🇺🇸 |
Investors in Weights and Biases
Funding Rounds
InactiveLed by Daniel Gross
$50M
Aug 2023
Led by Sequoia Capital
$125M
Sep 2022
Led by Sequoia Capital
$50M
Mar 2021
Led by Sequoia Capital
$15M
Apr 2019
Led by Google Ventures
$5M
Jan 2018
Open Positions at Weights and Biases
View all jobs →Weights and Biases Latest News
Data Collective Leads Investment in Weights & Biases' AI Developer Platform
Weights and Biases Partners with Fortune 500 Companies for AI Data Infrastructure
Weights & Biases Raises $250 Million at $8.5 Billion Valuation
Weights and Biases Closes Funding Round as Investor Interest in AI Surges
Compare Weights and Biases
See how Weights and Biases stacks up against competitors in valuation, funding, team size, and Awaira Score.
Founded Same Year (2017)
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