On usedby, 49 companies use Glean and 14 use Onyx. No company is listed with both yet. Glean leads among the Fintech & Payments companies on usedby that use either tool.Latest check Oct 8, 2026: 57 of 63 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 Glean, Onyx, or both
Every company with a public proof for at least one of the two tools.
49
use only Glean
0
companies use both
14
use only Onyx
49 companies use only Glean, 14 use only Onyx and 0 use both, out of the 63 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 7, 2026.
Where it lands
Newest customers
No new customer since tracking started on October 3, 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 Glean, Onyx or both: a share of the companies on usedby, not of the market.
Glean onlyBothOnyx only
More common with Glean
- Fintech & Payments6 of the 9 Fintech & Payments companies on usedby that use either tool use Glean.
- Data & Analytics5 of the 6 Data & Analytics companies on usedby that use either tool use Glean.
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.
Glean
OnyxWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Glean
30+ min saved on searches with Glean
Pure Storage
Vendor case study, glean.com, captured Oct 7, 2026
What once took PMs up to 4 hours per document now takes just minutes
Nile
Vendor case study, glean.com, captured Oct 7, 2026
Onyx
No reviewed story for Onyx yet.
Questions about Glean and Onyx
Which is used more, Glean or Onyx?
Glean has more customers on usedby: 49 against 14 for Onyx.
Do companies use both Glean and Onyx?
usedby has not found a company with a confirmed or observed line on both Glean and Onyx yet.
Who uses Glean?
49 companies on usedby, each with the public page that shows it. See who uses Glean.
Who uses Onyx?
14 companies on usedby, each with the public page that shows it. See who uses Onyx.
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.