# Cartesia vs Deepgram: who uses which

On usedby, 39 companies use Cartesia and 45 use Deepgram. 4 companies use both, including Cresta, Daily and Decagon. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-08: 81 of 84 public lines checked.

## Side by side

|  | [Cartesia](https://www.usedby.ai/tools/cartesia.md) | [Deepgram](https://www.usedby.ai/tools/deepgram.md) |
|---|---|---|
| Public customers | 39 | 45 |
| Confirmed | 36 | 33 |
| Observed | 3 | 12 |
| Signals (job posts) | 0 | 0 |
| Top industries of customers | Artificial Intelligence (4), DevTools & Infrastructure (2), Sales Tech & CRM (2) | Artificial Intelligence (9), Telecommunications (5), Sales Tech & CRM (4) |
| Category | Speech & Audio API | Speech & Audio API |
| Security | PCI DSS, HIPAA, SOC 2 Type II ([trust.cartesia.ai](https://trust.cartesia.ai/), checked 2026-10-08) | — |
| Data processing terms | A data processing agreement is available. ([cartesia.ai](https://www.cartesia.ai/legal/dpa), checked 2026-10-08) | — |
| Free trial | Free trial or free plan available. ([cartesia.ai](https://www.cartesia.ai/pricing), checked 2026-10-08) | Free trial or free plan available. ([deepgram.com](https://deepgram.com/pricing), checked 2026-10-04) |
| Pricing | Free: $0 /mo; Pro: $5 /mo; Startup: $49 /mo; Scale: $299 /mo; Enterprise: contact sales ([cartesia.ai](https://www.cartesia.ai/pricing), checked 2026-10-08) | — |
| Integrations | — | Amazon Connect, Amazon Lex ([developers.deepgram.com](https://developers.deepgram.com/docs/deepgram-with-amazon-connect), checked 2026-10-04) |

## Companies named on both

Confirmed or observed on each side.

| Company |
|---|
| [Cresta](https://www.usedby.ai/companies/cresta.md) |
| [Daily](https://www.usedby.ai/companies/daily.md) |
| [Decagon](https://www.usedby.ai/companies/decagon.md) |
| [VAPI](https://www.usedby.ai/companies/vapi.md) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Cartesia: [Daily](https://www.usedby.ai/case-studies/daily-cartesia.md): **500ms**: “Daily Bots delivers voice-to-voice latencies – including transport over the network – as fast as 500ms.” (published 2024-09-24)
- Cartesia: [Goodcall](https://www.usedby.ai/case-studies/goodcall-cartesia.md): **90 ms**: “Goodcall achieves a 90 ms on average for time-to-first-audio” (published 2024-10-09)
- Deepgram: [Klubi](https://www.usedby.ai/case-studies/klubi-deepgram.md): **90%+**: “90%+ of conversations handled end-to-end by AI agents” (captured by usedby 2026-10-02)
- Deepgram: [Flowtica](https://www.usedby.ai/case-studies/flowtica-deepgram.md): **under 30 seconds**: “transcription on a 60-minute recording typically comes back from Deepgram in under 30 seconds” (captured by usedby 2026-10-02)

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Source: https://www.usedby.ai/compare/cartesia-vs-deepgram · How we check: https://www.usedby.ai/methodology