Duckle vs Pylon: who uses which
Customers, public proof and the companies that use both.
On usedby, 21 companies use Duckle and 35 use Pylon. 1 company uses both, including Vellum. Pylon leads among the DevTools & Infrastructure companies on usedby that use either tool.Latest check Oct 8, 2026: 52 of 56 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 Duckle, Pylon, or both
Every company with a public proof for at least one of the two tools.
20
use only Duckle
1
company uses both
34
use only Pylon
20 companies use only Duckle, 34 use only Pylon and 1 uses both, out of the 55 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 4, 2026.
Where it lands
Newest customers
No new customer since tracking started on October 8, 2026.
Who uses both
Companies with a confirmed or observed line on both tools.
| Company |
|---|
 Vellum |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Duckle, Pylon or both: a share of the companies on usedby, not of the market.
Duckle onlyBothPylon only
More common with Pylon
- DevTools & Infrastructure7 of the 10 DevTools & Infrastructure companies on usedby that use either tool use Pylon.
- Artificial Intelligence6 of the 8 Artificial Intelligence companies on usedby that use either tool use Pylon, 1 of them alongside Duckle.
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.
DucklePylonWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Duckle
66% reduction in support cost
Abbiamo
Vendor case study, duckie.ai, captured Oct 4, 2026
Pylon
Ada completed their migration in 2 weeks with zero disruption
Ada
Vendor case study, usepylon.com, captured Oct 8, 2026
First response times have improved from 50 minutes to under 3.5 minutes for support issues
Coalesce
Vendor case study, usepylon.com, captured Oct 8, 2026
Questions about Duckle and Pylon
Which is used more, Duckle or Pylon?
Pylon has more customers on usedby: 35 against 21 for Duckle.
Do companies use both Duckle and Pylon?
Yes. 1 company uses both on usedby, including Vellum.
Who uses Duckle?
21 companies on usedby, each with the public page that shows it. See who uses Duckle.
Who uses Pylon?
35 companies on usedby, each with the public page that shows it. See who uses Pylon.
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.