Who uses Cartesia?
Realtime voice AI models (Sonic TTS, Ink STT) and managed voice agents built on state space models. cartesia.ai
39
companies use Cartesia
39 companies use Cartesia. 10% are in Artificial Intelligence. Confirmed or observed customers include ServiceNow, Quora, and Zomato. 36 of them are confirmed by a published case study, quote or press release.Latest check Oct 8, 2026: 39 of 39 companies checked, from 33 public sources.
- Category
- Speech & Audio API
- Customers by proof
- 36 confirmed, 3 observed
- Top industry
- Artificial Intelligence, 10% of customers
- Security
- PCI DSS, HIPAA, SOC 2 Type IISource: trust.cartesia.ai, checked Oct 8, 2026
- Pricing
- Free: $0 /mo; Pro: $5 /mo; Startup: $49 /mo; Scale: $299 /mo; Enterprise: contact salesSource: cartesia.ai, checked Oct 8, 2026
- Most similar
- Deepgram, 4 shared customers
- Website
- cartesia.ai
What Cartesia does
Cartesia builds low-latency voice models on state space model research. Sonic is its text-to-speech model, Ink its streaming speech-to-text model, and Managed Agents let enterprises run production voice agents. It supports cloud, on-premise and on-device deployment with in-region processing.
Written by usedby from cartesia.ai.
Main features
Common uses
39 companies use Cartesia
Every company below links to the public page that shows it uses Cartesia. Open a row to see the dated capture.
Customers over time: appears once we have six months of archived captures.
| Company | Industry | Proof |
|---|---|---|
 ServiceNow | IT Services & System Integration | |
 Quora | Media & Publishing | |
 Zomato | Restaurants & Food Services | |
 Cresta | Sales Tech & CRM | |
 11X | — | |
 2X Solutions | — | |
 ActOnCue | — | |
 AimAI | — | |
 Arini | — | |
 Assort Health | — |
Is Cartesia right for your company?
See what companies in your industry use, from the companies we track. Pick your industry.
Of the 117 Artificial Intelligence companies on usedby, 4 are listed as Cartesia customers. 21 use only another Speech & Audio API tool.
- Cartesia only, 2%
- Cartesia and another tool in Speech & Audio API, 2%
- Another tool in Speech & Audio API only, 18%
- No Speech & Audio API tool we can see, 78%
These are companies usedby tracks because a public page names them, often Cartesia's own customer page. It is not a market share. A company counts once, whatever the number of tools it uses.
What customers report
Results as published by Cartesia and its customers. Each one links to its dated source. We quote, we do not score.
500msVoice-to-voice latency of Daily Bots, including
DailyVendor case studyPublished Sep 24, 2024
90 msAverage time-to-first-audio, including model and network latency
GoodcallVendor case studyPublished Oct 9, 20242× fasterLatency compared with Arini's previous voice
AriniVendor case studyPublished Oct 21, 2024
less than 1 secondEnd-to-end latency of the Conversational Video
TavusVendor case studyPublished Oct 22, 2024
under 500msEnd-to-end response time to user input
CerebriumVendor case studyPublished Nov 7, 2024
13%Potential savings on previous support costs
Hello PatientVendor case studyPublished Nov 18, 2024+7%Appointment bookings
Assort HealthVendor case studyPublished Jan 29, 2025
Read the story
tobyVendor case studyPublished Aug 20, 2024
Read the story
SpekoVendor case studyPublished Jul 30, 2026
Read the story
EgoVendor case studyPublished Nov 4, 2024
Read the story
LiveKitVendor case studyPublished Dec 15, 2024
Read the story
RasaVendor case studyPublished Jan 30, 2025Our goal at toby is to eliminate language barriers to enable global workforces. It’s an ambitious mission that requires our bar for a voice provider to be extremely high. Cartesia delivers the best multilingual model for us across the board—latency, quality, and localization control that no other provider has.We are building an open router of voice AI basically. We are trying to be this neutral layer where we help people to pick the right model stack.Before you buy Cartesia
What Cartesia publishes on the points buyers check first, each with its source and check date.
| Security | PCI DSS, HIPAA, SOC 2 Type II | trust.cartesia.ai, checked Oct 8, 2026 |
|---|---|---|
| Data processing terms | A data processing agreement is available. | cartesia.ai, checked Oct 8, 2026 |
| Free trial | Free trial or free plan available. | cartesia.ai, checked Oct 8, 2026 |
| Pricing | Free: $0 /mo; Pro: $5 /mo; Startup: $49 /mo; Scale: $299 /mo; Enterprise: contact sales | cartesia.ai, checked Oct 8, 2026 |
Questions to ask in your demo
- Which of your customers look like us, by industry and size?
- What does a pilot cost, and what decides the move to a full contract?
- Where is our data stored, who can access it, and is it used to train models?
- How does Cartesia work with the tools we already use?
Cartesia alternatives
Tools compared with Cartesia most often, with the customers they share.
| Tool | Customers | Shared with Cartesia | Compare |
|---|---|---|---|
 Deepgram45 customers, 4 shared | 45 | 4 | Cartesia vs Deepgram |
 LiveKit32 customers, 5 shared | 32 | 5 | Cartesia vs LiveKit |
 Assembly AI48 customers, 2 shared | 48 | 2 | Cartesia vs Assembly AI |
 Recall50 customers, 0 shared | 50 | 0 | Cartesia vs Recall |
Questions about Cartesia
Who uses Cartesia?
39 companies use Cartesia, including ServiceNow, Quora, and Zomato.
Which industries use Cartesia?
The industries with the most Cartesia customers are Artificial Intelligence (4), DevTools & Infrastructure (2), and Sales Tech & CRM (2).
What are the alternatives to Cartesia?
The tools compared with Cartesia most often are Deepgram (45 customers, 4 shared), LiveKit (32 customers, 5 shared), Assembly AI (48 customers, 2 shared), and Recall (50 customers, 0 shared). See all Cartesia alternatives.
How does usedby know who uses Cartesia?
Each company is linked to a public page that names it: Cartesia'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 company leaves the list only after three checks in a row that no longer find it, and at least 14 days after it was last seen. A company with a published case study or quote is never removed automatically.
What do confirmed, observed and signal mean?
Confirmed (36): a case study, a named quote or a press release. Observed (3): Cartesia shows the company on its own pages, for example a logo wall. Signal (0): a job post shows the company’s employees use Cartesia, the weakest proof. Every level counts as a customer, and each line shows its level.
How current is this list?
The most recent check was on October 8, 2026, and 39 of 39 companies on this list have been checked so far. A company leaves the list only after three checks in a row that no longer find it, and at least 14 days after it was last seen. A company with a published case study or quote is never removed automatically.
Changes and sources
New customers
No new customer yet. Tracking of Cartesia started on October 8, 2026. New customers appear after two complete checks of its pages.