Voice / TTS · Cartesia
Sonic 3.6
Voice / TTS44 languagesCloningStreaming#1 AA TTS Arena
Specs
| Released | 2026-08-27 (stable snapshot sonic-3.6-2026-08-27) docs.cartesia.ai ↗ checked 2026-10-17 |
| languages | 44 (61 locales) |
| cloning | instant voice clones with accent adherence |
| latency | <90 ms (vendor); independent 297 ms mean time to first audio and 1.5% WER, #1 of 32 on WER (Coval, 2026-10-16) |
| streaming | Yes |
| X | not found (@cartesia_ai doesn't exist) |
Price
| billing | ~1 credit per character; a minute uses 750–800 credits; plans $5/$49/$299 per month |
| per min | not stated in USD |
Benchmarks
| Board | Rank | Score | Board date | Source |
|---|---|---|---|---|
| AA TTS Arena | #1 | 1335 | artificialanalysis.ai ↗ checked 2026-10-17 | |
| Coval TTS | #— | — | 2026-10-16 | benchmarks.coval.ai ↗ |