On usedby, 25 companies use Gem and 39 use Paradox. No company is listed with both yet. Gem leads among the DevTools & Infrastructure companies on usedby that use either tool, Paradox among the Retail companies.Latest check Oct 6, 2026: 63 of 64 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 Gem, Paradox, or both
Every company with a public proof for at least one of the two tools.
25
use only Gem
0
companies use both
39
use only Paradox
25 companies use only Gem, 39 use only Paradox and 0 use both, out of the 64 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 6, 2026.
Where it lands
Newest customers
We have not started tracking changes for Paradox yet.
Who uses both
Companies with a confirmed or observed line on both tools.
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Gem, Paradox or both: a share of the companies on usedby, not of the market.
Gem onlyBothParadox only
More common with Gem
- DevTools & Infrastructure5 of the 5 DevTools & Infrastructure companies on usedby that use either tool use Gem.
More common with Paradox
- Retail6 of the 7 Retail companies on usedby that use either tool use Paradox.
- Restaurants & Food Services5 of the 5 Restaurants & Food Services companies on usedby that use either tool use Paradox.
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.
Gem
ParadoxWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Gem

The switch to Gem resulted in immediate time and cost savings of 40%.
Excelity
Vendor case study, gem.com, published Jun 9, 2026

Saved 3,300+ hours through automated workflows.
Octave
Vendor case study, gem.com, published Jun 9, 2026
Paradox

Compass Group now has a 1:8000 recruiter-to-hire ratio.
Compass Group
Vendor case study, paradox.ai, captured Oct 3, 2026

Questions about Gem and Paradox
Which is used more, Gem or Paradox?
Paradox has more customers on usedby: 39 against 25 for Gem. Gem leads among the DevTools & Infrastructure companies on usedby that use either tool, Paradox among the Retail companies.
Do companies use both Gem and Paradox?
usedby has not found a company with a confirmed or observed line on both Gem and Paradox yet.
Who uses Gem?
25 companies on usedby, each with the public page that shows it. See who uses Gem.
Who uses Paradox?
39 companies on usedby, each with the public page that shows it. See who uses Paradox.
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.