Sanas vs Sierra: who uses which
Customers, public proof and the companies that use both.
On usedby, 48 companies use Sanas and 50 use Sierra. 2 companies use both, including Vanguard and SoFi. Sanas leads among the Telecommunications companies on usedby that use either tool, Sierra among the Fintech & Payments companies.Latest check Oct 8, 2026: 98 of 98 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 Sanas, Sierra, or both
Every company with a public proof for at least one of the two tools.
46
use only Sanas
2
companies use both
48
use only Sierra
46 companies use only Sanas, 48 use only Sierra and 2 use both, out of the 96 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 8, 2026.
Where it lands
Newest customers
Who uses both
Companies with a confirmed or observed line on both tools.
| Company | First public proof, Sierra |
|---|---|
 Vanguard | On or before Jun 2026 |
 SoFi | On or before Sep 2025 |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Sanas, Sierra or both: a share of the companies on usedby, not of the market.
Sanas onlyBothSierra only
More common with Sanas
- Telecommunications4 of the 7 Telecommunications companies on usedby that use either tool use Sanas.
More common with Sierra
- Fintech & Payments5 of the 6 Fintech & Payments companies on usedby that use either tool use Sierra, 1 of them alongside Sanas.
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.
SanasSierraWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Sanas
50% increase in converting hotel bookings
Wyndham
Vendor case study, sanas.ai, published Sep 4, 2026
Sierra
Nearly 1,000 hours per month returned to exception handling and high-value work
RunBuggy
Vendor case study, sierra.ai, published Feb 3, 2026
Questions about Sanas and Sierra
Which is used more, Sanas or Sierra?
Sierra has more customers on usedby: 50 against 48 for Sanas. Sanas leads among the Telecommunications companies on usedby that use either tool, Sierra among the Fintech & Payments companies.
Do companies use both Sanas and Sierra?
Yes. 2 companies use both on usedby, including Vanguard and SoFi.
Who uses Sanas?
48 companies on usedby, each with the public page that shows it. See who uses Sanas.
Who uses Sierra?
50 companies on usedby, each with the public page that shows it. See who uses Sierra.
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.