# Labelbox vs Weights & Biases: who uses which

On usedby, 29 companies use Labelbox and 55 use Weights & Biases. 2 companies use both, including Meta and Pinterest. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-07: 84 of 84 public lines checked.

## Side by side

|  | [Labelbox](https://www.usedby.ai/tools/labelbox.md) | [Weights & Biases](https://www.usedby.ai/tools/weights-and-biases.md) |
|---|---|---|
| Public customers | 29 | 55 |
| Confirmed | 20 | 43 |
| Observed | 9 | 12 |
| Signals (job posts) | 0 | 0 |
| Top industries of customers | Media & Publishing (2), Advertising & AdTech (1), Aerospace & Defense (1) | Artificial Intelligence (8), Automotive Manufacturing (2), Biotech & Pharma (2) |
| Category | ML Ops & Training | ML Ops & Training |
| Vendor status | — | Renamed CoreWeave Forge; its website now redirects to coreweave.com. ([id.coreweave.com](https://id.coreweave.com/login?next=%2Fwandb), checked 2026-10-04) |

## Companies named on both

Confirmed or observed on each side. The first public proof is not an adoption date.

| Company | First public proof, Weights & Biases |
|---|---|
| [Meta](https://www.usedby.ai/companies/meta.md) | On or before September 2025 |
| [Pinterest](https://www.usedby.ai/companies/pinterest.md) | On or before November 2024 |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Labelbox: [Move AI](https://www.usedby.ai/case-studies/move-ai-labelbox.md): **2x**: “moving 2x as fast in this domain and accelerating its go-to-market and product launches” (captured by usedby 2026-10-07)
- Labelbox: [Blue River Technology](https://www.usedby.ai/case-studies/blue-river-technology-labelbox.md): **50%**: “cut average processing times to create training data by 50%” (captured by usedby 2026-10-07)
- Weights & Biases: [Woven by Toyota](https://www.usedby.ai/case-studies/woven-by-toyota-weights-and-biases.md): **10x**: “Experiment tracking has given us 10x velocity” (published 2024-02-20)
- Weights & Biases: [ReelData](https://www.usedby.ai/case-studies/reeldata-weights-and-biases.md): story without a checked figure. (published 2026-01-21)

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Source: https://www.usedby.ai/compare/labelbox-vs-weights-and-biases · How we check: https://www.usedby.ai/methodology