Deepgram vs Fish Audio: who uses which
Customers, public proof and the companies that use both.
On usedby, 51 companies use Deepgram and 18 use Fish Audio. 3 companies use both, including LiveKit, Telnyx, and Retell AI. Deepgram leads among the Artificial Intelligence companies on usedby that use either tool.Latest check Nov 12, 2026: 66 of 69 public lines checked. Counts include every proof level, job-post signals included. A company on both tools counts at any proof level, and a job post on one side is marked as such.
Who uses Deepgram, Fish Audio, or both
Every company with a public proof for at least one of the two tools.
48
listed for Deepgram only
3
companies use both
15
listed for Fish Audio only
On usedby, 48 companies are listed for Deepgram only, 15 are listed for Fish Audio only and 3 use both, out of the 66 companies listed for at least one. An absent listing does not prove non-use.
Where it lands
Recently publicly listed customers
Who uses both
Companies with a public line on both tools, at any proof level: the strongest proofs come first, and a job post is marked.
| Company | First public proof, Deepgram |
|---|---|
 LiveKit | On or before Oct 2026 |
 Telnyx | On or before Mar 2026 |
 Retell AI | On or before Oct 2024 |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Deepgram, Fish Audio or both: a share of the companies on usedby, not of the market.
Listed for Deepgram onlyBothListed for Fish Audio only
More common with Deepgram
- Artificial Intelligence20 of the 24 Artificial Intelligence companies on usedby that use either tool use Deepgram, 1 of them alongside Fish Audio.
- Telecommunications8 of the 8 Telecommunications companies on usedby that use either tool use Deepgram, 1 of them alongside Fish Audio.
- Marketing Tech4 of the 5 Marketing Tech companies on usedby that use either tool use Deepgram.
Source: every usedby line, from confirmed proofs to job-post signals (the weakest proof level).
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Vendor facts checked: Deepgram, 5 of 6; Fish Audio, 0 of 6. Missing facts remain unverified, not absent features.
Deepgram
Fish AudioWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Deepgram
measured a shocking 58% reduction in transcription latency
BIGVU
Vendor case study, deepgram.com, captured Nov 11, 2026
more than fifty hours of manual work reclaimed every month, just on documentation
LegalMate
Vendor case study, deepgram.com, captured Nov 11, 2026
Fish Audio
No reviewed story for Fish Audio yet.
Questions about Deepgram and Fish Audio
Which is used more, Deepgram or Fish Audio?
Deepgram has more customers on usedby: 51 against 18 for Fish Audio.
Do companies use both Deepgram and Fish Audio?
Yes. 3 companies use both on usedby, including LiveKit, Telnyx, and Retell AI.
Who uses Deepgram?
51 companies on usedby, each with the public page that shows it. See who uses Deepgram.
Who uses Fish Audio?
18 companies on usedby, each with the public page that shows it. See who uses Fish Audio.
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 four proof levels: confirmed, declared by the company itself, observed or signal (a job post, the weakest). A company counts as using both tools when it has a line on each, at any level; the list shows the strongest proofs first and marks job posts.