# DeepJudge vs Harvey: who uses which

On usedby, 9 companies use DeepJudge and 235 use Harvey. 3 companies use both, including Gunderson Dettmer, Lenz & Staehelin and Homburger. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-08: 214 of 244 public lines checked.

## Side by side

|  | [DeepJudge](https://www.usedby.ai/tools/deepjudge.md) | [Harvey](https://www.usedby.ai/tools/harvey.md) |
|---|---|---|
| Public customers | 9 | 235 |
| Confirmed | 7 | 21 |
| Observed | 2 | 214 |
| Signals (job posts) | 0 | 0 |
| Top industries of customers | Legal & Compliance (3) | Legal & Compliance (139), Investment & VC (12), Manufacturing (9) |
| Category | Legal AI | Legal AI |
| Security | ISO 27001 ([deepjudge.ai](https://www.deepjudge.ai/security), checked 2026-10-08) | — |
| Your data | Not used to train models by default. ([deepjudge.ai](https://www.deepjudge.ai/security), checked 2026-10-08) | Not used to train models by default. ([harvey.ai](https://www.harvey.ai/security), checked 2026-10-03) |
| Data processing terms | A data processing agreement is available. ([deepjudge.ai](https://www.deepjudge.ai/dpa), checked 2026-10-08) | A data processing agreement is available. ([harvey.ai](https://www.harvey.ai/legal/privacy-policy), checked 2026-10-03) |
| Data residency | — | EU, Switzerland, US, Australia ([harvey.ai](https://www.harvey.ai/security), checked 2026-10-03) |

## Companies named on both

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

| Company | First public proof, Harvey |
|---|---|
| [Gunderson Dettmer](https://www.usedby.ai/companies/gunderson-dettmer.md) | — |
| [Lenz & Staehelin](https://www.usedby.ai/companies/lenz-staehelin.md) | On or before August 2025 |
| [Homburger](https://www.usedby.ai/companies/homburger.md) | On or before August 2025 |

## Published results

Reviewed stories only; usedby did not measure the figures.

- DeepJudge: [Freshfields](https://www.usedby.ai/case-studies/freshfields-deepjudge.md): story without a checked figure. (captured by usedby 2026-10-07)
- Harvey: [The Adecco Group](https://www.usedby.ai/case-studies/the-adecco-group-harvey.md): **eight hours**: “saving up to eight hours per week on routine work with Harvey” (published 2025-02-28)
- Harvey: [Pierson Ferdinand](https://www.usedby.ai/case-studies/pierson-ferdinand-harvey.md): **10 hours**: “At a bare minimum, every attorney saves 10 hours a week, and many report reclaiming 15 to 20.” (published 2026-07-01)

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Source: https://www.usedby.ai/compare/deepjudge-vs-harvey · How we check: https://www.usedby.ai/methodology