3
AI tools in use at Retell AI
Retell AI uses 3 AI tools: LiveKit (Speech & Audio API), Pylon (Customer Service Automation), and Deepgram (Product). 2 are confirmed by a published story, quote or press release; 1 is listed on the vendor's own pages.Latest check Oct 8, 2026: 2 of 3 tools checked, from 5 public sources.
- Industry
- Artificial Intelligence
- Website
- retellai.com
- AI tools in use
- 3Median for the 117 Artificial Intelligence companies on usedby: 1
- Latest check
- October 8, 20262 of 3 tools checked so far
Every AI tool at Retell AI
3 lines, each linked to the public page behind it. Open a row to see the dated capture.
| Tool | Team | First public proof | Proof | Source |
|---|---|---|---|---|
 LiveKit | Speech & Audio API | — | livekit.com | |
 Pylon | Customer Service Automation | — | usepylon.com | |
 Deepgram | Product | — | deepgram.com |
“First public proof” is the earliest public page we have dated: a mention (“on or before”), a job post or a start the source states. Our capture dates are not adoption dates.
In Retell AI's own words
Published results, each linked to its dated source. We quote, we do not score.
On‑call has become a lot easier. The AI does the pre‑work for us, so we can jump straight into triage.We recently moved from a homegrown WebSocket stack to LiveKit Cloud, allowing us to flexibly integrate with telephony systems and offer a unified export interface across web and phone calls. This upgrade also lets us deliver low latency calls to a global end-user base.Retell AI compared to other Artificial Intelligence companies
Retell AI uses 3 AI tools. The median among the 117 Artificial Intelligence companies on usedby is 1. 83 of its 116 peers use fewer.
These counts cover public proof only. A company can use tools that no public page names.
AI tools per company
117 Artificial Intelligence companies on usedby, by number of AI tools
- 66 companies with 1 tool
- 17 companies with 2 tools
- 10 companies with 3 tools
- 5 companies with 4 tools
- 1 company with 5 tools
- 5 companies with 6 tools
- 1 company with 7 tools
- 12 companies with 8 tools or more
What its peers use that Retell AI does not
Questions about AI at Retell AI
What AI tools does Retell AI use?
Retell AI uses 3 AI tools: LiveKit, Pylon, and Deepgram. 2 are confirmed by a published story, quote or press release, and 1 is listed on the vendor's own pages.
Does Retell AI use Assembly AI?
usedby has not found a public page showing that Retell AI uses Assembly AI. Assembly AI is the most used AI tool among the 117 Artificial Intelligence companies on usedby: 12 of them use it. See who uses Assembly AI.
How does Retell AI compare to other Artificial Intelligence companies?
Retell AI uses 3 AI tools. The median among the 117 Artificial Intelligence companies on usedby is 1, and 83 of its 116 peers use fewer tools. These counts cover public proof only.
How does usedby know which AI tools Retell AI uses?
Each tool is linked to a public page that names Retell AI: a vendor's customer page, a published case study, a press release or a job post. We save each page with a dated capture and check it again on each run. A tool leaves the list only after three checks in a row that no longer find Retell AI, and at least 14 days after it was last seen. A tool with a published case study or quote is never removed automatically.