Weights & Biases
Developer ToolsTier 4Pure AIMLOps platform for experiment tracking and model management. Acquired by CoreWeave in March 2025.
USSan Francisco, CA, USAFounded 2017
Valuation
$1.7B
Total Raised
$250M
Revenue (ARR)
n/a
P/S Ratio
n/a
Employees
300
Key products
W&B Experiment TrackingW&B SweepsW&B ArtifactsW&B Launch
Latest funding round
Series C2023-08-01
$50M
Lead: Insight Partners
Revenue notes
Revenue not disclosed post-acquisition.
Links
Key investors (4)
CoreWeave (acquirer)Insight PartnersTiger GlobalDaniel Gross
Data and sources
Latest figure as of Apr 12, 2026| Figure | Value | As of | Source |
|---|---|---|---|
| Total funding raised | $250M | Apr 12, 2026 | source pending |
| Valuation | $1.7B | Mar 1, 2025 | source pending |
| Employees | 300 | Mar 1, 2025 | source pending |