All tasks / Models
Sonic 3.6
Cartesia's low-latency streaming text-to-speech models, aimed at real-time voice agents.
- Cartesia
- Closed
- Released 17 Aug 2026
Where it ranks
- AText to speechModels · Cloud · 1,287 on Artificial Analysis Speech Arena: Text to Speech (provider voices)
Facts
- Vendor
- Cartesia
- Family
- Sonic
- Released
- 17 Aug 2026
- Weights
- Closed: API and apps only
- License
- proprietary
- API price
- $49 per 1M characters (Artificial Analysis normalised price for Sonic 3.6 (USD per 1M characters).)
- Last verified
- 18 Oct 2026
Price from artificialanalysis.ai, 18 Oct 2026.
Benchmark results
| Benchmark | Result | Entry on the leaderboard | As of | Source |
|---|---|---|---|---|
| Artificial Analysis Speech Arena: Text to Speech (provider voices) | 1,287 | Sonic 3.6Provider Voice Arena, all categories and accents; rank 4 of 96, 2564 appearances, 95% CI ±15; raw value from the page's embedded data (shown rounded); no last-updated date shown, so as_of = retrieval date. | 18 Oct 2026 | artificialanalysis.ai |
Where you can use it
No tracked tool lists this model yet.
Earlier versions
- Sonic 3.5 · 4 May 2026
- Sonic 3 · 29 Oct 2025