VAST Data vs Weights & Biases
Weights & Biases
Experiment tracking and hyperparameter sweeps for AI researchers and engineers, by CoreWeave. Part of CoreWeave Forge
287 employees · est. 2017 · San Francisco, United States
VAST Data is the older company (2016 vs 2017); VAST Data is the larger of the two.
Side-by-Side Comparison
| Metric | VAST Data | Weights & Biases |
|---|---|---|
| Founded | ||
| Founded | 2016 older | 2017 |
| Headquarters | ||
| Headquarters | United States | San Francisco, United States |
| Employees | ||
| Employees | 1192 larger | 287 |
| Industry | ||
| Industry | AI, Data Analytics | AI, Data Analytics, Developer Tools |
| Funding Stage | ||
| Funding Stage | Series F | Acquired |
| Total Funding | ||
| Total Funding | $1.88B | $1.95B |
| Funding Rounds | ||
| Funding Rounds | 8 | 7 |
| Services | ||
| Services | Unified Storage and Compute, Data Management and Transformation, AI-Driven Database Solutions, End-to-End AI Infrastructure, Realtime Data Processing | Not tracked yet |
| Target Customers | ||
| Target Customers | Data-Driven Organizations, Enterprises with AI Workloads, High-Performance Computing Centers, Cloud Service Providers, AI Application Developers | Not tracked yet |
| Taxonomy | ||
| Taxonomy | AI Operating SystemAgentic ComputingData-Intensive ApplicationsData PlatformUnified InfrastructureGenerative AI +7 | MLOpsLLMOpsGenAI ApplicationsModel Performance VisualizationExperiment TrackingAI Governance +9 |
| Website | ||
| Website | vastdata.com | wandb.ai |
About VAST Data
VAST Data, founded in 2016, is crafting the digital foundation for tomorrow's innovations with its tagline: "The Operating System for the Thinking Machine." Based in the United States, the company operates at the intersection of AI and Data Analytics. Their flagship product, described as the first...
About Weights & Biases
Weights & Biases, founded in 2017, is a leader in the rapidly evolving AI and Data Analytics sectors. Positioned as "The AI developer platform," the company offers a comprehensive suite of tools designed to expedite AI model development, including fine-tuning LLMs and building GenAI applications wit...
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Compiled from the BounceWatch company index. We last looked at VAST Data on 30 Mar 2026, and Weights & Biases on 1 Jul 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
