Sesame AI vs Cartesia
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
Sesame AI
Conversational-voice startup behind the viral Maya and Miles assistant...
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Cartesia
Ultra-low-latency voice AI on Mamba SSMs
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| RECATOOLS Score | 7.5 / 10 | 7.6 / 10 |
| Capability | — | |
| Value for money | — | |
| Ease of use | — | |
| ASEAN readiness | — | |
| API quality | — | |
| Pricing | Freemium | Freemium |
| Free tier | Free public web voice demo (Maya/Miles); open CSM-1B weights free to download under Apache 2.0. | Free: 20K credits a month (about 27 minutes of text-to-speech) plus $1 of prepaid agent usage |
| Paid from | — | $5/month (Pro, 100K credits, commercial use licence) — Startup $49, Scale $299 |
| Has API | ✗ | ✓ |
| Open source | ✓ | ✗ |
| Free to use | ✓ | ✓ |
| Users | 1M+ early demo users | — |
| Founded | 2023 | 2023 |
| Maker | Brendan Iribe, Ankit Kumar, Ryan Brown | — |
| Verdict | What this is for: Natural, emotionally expressive conversational speech — trying voice presence in a live demo or building on the open CSM speech model. Who this is for: Consumers curious about lifelike voice AI, and de... |
Cartesia's Sonic models are a leading choice for real-time text-to-speech, prized for very low latency and natural prosody, making them well-suited to voice agents and interactive applications. The API is developer-frien... |
| Full review → | Full review → |
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Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.