On usedby, 40 companies use Listen and 6 use Otio. 1 company uses both, including Microsoft.Latest check Oct 5, 2026: 33 of 46 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 Listen, Otio, or both
Every company with a public proof for at least one of the two tools.
39
use only Listen
1
company uses both
5
use only Otio
39 companies use only Listen, 5 use only Otio and 1 uses both, out of the 45 companies on usedby that use at least one of them.
Where it lands
Newest customers
We have not started tracking changes for Listen yet.
Where it lands
Newest customers
No new customer since tracking started on October 5, 2026.
Who uses both
Companies with a confirmed or observed line on both tools.
| Company |
|---|
 Microsoft |
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Listen
OtioWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Listen
the team shipped StudyArena in roughly half the time it took to build A1Zap
A1Base
Vendor case study, listenlabs.ai, captured Oct 2, 2026
Think about it as 100 studies for the price, at least in terms of time, of five or six.
Anthropic
Vendor case study, listenlabs.ai, captured Oct 2, 2026
Otio
No reviewed story for Otio yet.
Questions about Listen and Otio
Which is used more, Listen or Otio?
Listen has more customers on usedby: 40 against 6 for Otio.
Do companies use both Listen and Otio?
Yes. 1 company uses both on usedby, including Microsoft.
Who uses Listen?
40 companies on usedby, each with the public page that shows it. See who uses Listen.
Who uses Otio?
6 companies on usedby, each with the public page that shows it. See who uses Otio.
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.