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DeepJudge vs Harvey: who uses which

Customers, public proof and the companies that use both.

On usedby, 9 companies use DeepJudge and 235 use Harvey. 3 companies use both, including Gunderson Dettmer, Lenz & Staehelin, and Homburger. Harvey leads among the Legal & Compliance companies on usedby that use either tool.Latest check Oct 8, 2026: 214 of 244 public lines checked. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side.

Who uses DeepJudge, Harvey, or both

Every company with a public proof for at least one of the two tools.

6

use only DeepJudge

3

companies use both

232

use only Harvey

6 companies use only DeepJudge, 232 use only Harvey and 3 use both, out of the 241 companies on usedby that use at least one of them.

9customers
7 confirmed 2 observed

Where it lands

Legal & Compliance3

Newest customers

No new customer since tracking started on October 7, 2026.

235customers
21 confirmed 214 observed

Where it lands

Legal & Compliance139
Investment & VC12
Manufacturing9

Newest customers

Lockheed MartinSep 2 – Oct 1
Hudson Bay CapitalJul 2 – Sep 2
Blank RomeJul 2 – Sep 2
Kean MillerJul 2 – Sep 2

Who uses both

Companies with a confirmed or observed line on both tools.

Companies that use both DeepJudge and Harvey
CompanyFirst public proof, Harvey
Gunderson Dettmer—
Lenz & StaehelinOn or before Aug 2025
HomburgerOn or before Aug 2025

By industry

Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use DeepJudge, Harvey or both: a share of the companies on usedby, not of the market.

IndustryDeepJudge onlyBothHarvey only
Legal & Compliance139 companies on usedby
0%2%98%
Investment & VC12 companies on usedby
0%0%100%
Manufacturing9 companies on usedby
0%0%100%
Telecommunications6 companies on usedby
0%0%100%
Biotech & Pharma5 companies on usedby
0%0%100%

DeepJudge onlyBothHarvey only

More common with Harvey

  • Legal & Compliance139 of the 139 Legal & Compliance companies on usedby that use either tool use Harvey, 3 of them alongside DeepJudge.
  • Investment & VC12 of the 12 Investment & VC companies on usedby that use either tool use Harvey.
  • Manufacturing9 of the 9 Manufacturing companies on usedby that use either tool use Harvey.

Source: confirmed and observed usedby lines. Job-post signals, the weakest proof level, are left out of these shares.

Side by side

Facts from our data and from each vendor's public pages. Each line says where it comes from.

DeepJudgeHarvey
Customersusedby, latest check Oct 8, 2026DeepJudge: 9 (7 confirmed, 2 observed)Harvey: 235 (21 confirmed, 214 observed)
Top industryusedby, latest check Oct 8, 2026DeepJudge: Legal & Compliance (3)Harvey: Legal & Compliance (139)
CategoryusedbyDeepJudge: Legal AIHarvey: Legal AI
SecurityDeepJudge: ISO 27001deepjudge.ai, checked Oct 8, 2026Not checked yet
Data residencyNot checked yetHarvey: EU, Switzerland, US, Australiaharvey.ai, checked Oct 3, 2026
WebsiteDeepJudge: deepjudge.aiHarvey: harvey.ai

What customers report

Results as the vendor or the customer published them, with the source and the date.

DeepJudge

How Freshfields uses DeepJudge

Freshfields

Vendor case study, deepjudge.ai, captured Oct 7, 2026

Read the story

Harvey

saving up to eight hours per week on routine work with Harvey

The Adecco Group

Vendor case study, harvey.ai, published Feb 28, 2025

Read the story

At a bare minimum, every attorney saves 10 hours a week, and many report reclaiming 15 to 20.

Pierson Ferdinand

Vendor case study, harvey.ai, published Jul 1, 2026

Read the story

Questions about DeepJudge and Harvey

Which is used more, DeepJudge or Harvey?

Harvey has more customers on usedby: 235 against 9 for DeepJudge.

Do companies use both DeepJudge and Harvey?

Yes. 3 companies use both on usedby, including Gunderson Dettmer, Lenz & Staehelin, and Homburger.

Who uses DeepJudge?

9 companies on usedby, each with the public page that shows it. See who uses DeepJudge.

Who uses Harvey?

235 companies on usedby, each with the public page that shows it. See who uses Harvey.

How does usedby count customers?

A company counts when a public page shows it: a vendor's customer page, a case study, a press release or a job post, most saved with a dated capture. Every line is a customer, at one of three proof levels: confirmed, observed or signal (a job post, the weakest). A company is named as using both tools when its lines on both are confirmed or observed.