Eightfold vs Gem: who uses which
Customers, public proof and the companies that use both.
On usedby, 22 companies use Eightfold and 25 use Gem. No company is listed with both yet. Eightfold leads among the Manufacturing companies on usedby that use either tool, Gem among the DevTools & Infrastructure companies.Latest check Oct 6, 2026: 47 of 47 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 Eightfold, Gem, or both
Every company with a public proof for at least one of the two tools.
22
use only Eightfold
0
companies use both
25
use only Gem
22 companies use only Eightfold, 25 use only Gem and 0 use both, out of the 47 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 2, 2026.
Where it lands
Newest customers
No new customer since tracking started on October 6, 2026.
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 Eightfold, Gem or both: a share of the companies on usedby, not of the market.
Eightfold onlyBothGem only
More common with Eightfold
- Manufacturing4 of the 5 Manufacturing companies on usedby that use either tool use Eightfold.
More common with Gem
- DevTools & Infrastructure5 of the 5 DevTools & Infrastructure companies on usedby that use either tool use Gem.
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.
Eightfold
GemWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Eightfold
No reviewed story for Eightfold yet.
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
Questions about Eightfold and Gem
Which is used more, Eightfold or Gem?
Gem has more customers on usedby: 25 against 22 for Eightfold. Eightfold leads among the Manufacturing companies on usedby that use either tool, Gem among the DevTools & Infrastructure companies.
Do companies use both Eightfold and Gem?
usedby has not found a company with a confirmed or observed line on both Eightfold and Gem yet.
Who uses Eightfold?
22 companies on usedby, each with the public page that shows it. See who uses Eightfold.
Who uses Gem?
25 companies on usedby, each with the public page that shows it. See who uses Gem.
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.