Sonic 3 measured on 2 of 3 Text to speech benchmarks2
BenchmarkByScoreRank
No benchmark matches
$49per 1M characters
1,056arena Elo
Oct 2025released
Exact native tariff; see source for billing scope.Price covers
Ranking?
Full ranking →···
60Chirp 3: HD1,06161Sonic 31,05661Coda1,056Strong at
Alternatives?
ModelScoreCostPriceWhat changes
CheaperEleven v4 Turbowins 83%-18%$40SBetterSimba 3.2wins 75%-87%$6.60
OpenFish Audio Drama 3 Previewwins 75%-69%$15
CheaperQwen Audio 3.1 TTS Pluswins 80%-61%$19.30CheaperQwen Audio 3.0 TTS Pluswins 77%-61%$19.30ModelScoreCostPriceWhat changes
Eleven v4 Turbowins 83%-18%$40Qwen Audio 3.1 TTS Pluswins 80%-61%$19.30Qwen Audio 3.0 TTS Pluswins 77%-61%$19.30IRealtime TTS-2wins 77%-29%$35Fish Audio Drama 3 PreviewOpenwins 75%-69%$15ModelScoreCostPriceWhat changes
SSimba 3.2wins 75%-87%$6.60SSimba 3.0wins 59%-87%$6.60
Gemini 2.5 Flash Lite TTSwins 54%-81%$9.20MFalcon 2wins 64%-80%$10aAsync Flash v1.5wins 62%-79%$10.10ModelScoreCostPriceWhat changes
Fish Audio Drama 3 PreviewOpenwins 75%-69%$15BBreeze TTS 2Openwins 72%-31%$34AMing 3.0 TTSOpenwins 68%——Fish Audio S2 ProOpenwins 58%-69%$15
Step Audio EditX (Mar 2026)Openwins 56%——ModelScoreCostPriceWhat changes
CSonic 3.6wins 79%same$49CSonic 3.5wins 69%same$49All Cartesia models →History
3 versionsFAQ
How much does Sonic 3 cost?›
$49 per 1M characters.
Is Sonic 3 free to use?›
There is no free API; it costs $49 per 1M characters.
How good is Sonic 3, and what is it best at?›
#60 of 96 in Text to speech.
Is Sonic 3 better than Chirp 3: HD?›
On AA TTS provider voice, Sonic 3 scores 1,056 vs 1,061 — about the same. It is 63% more expensive.
When was Sonic 3 released? Is there a newer version?›
Released 2025-10-29. It is the current version in its line.
Is Sonic 3 open source?›
No, Sonic 3 is a closed model available through an API. The closest open-weights option here is Fish Audio Drama 3 Preview.
What is Sonic 3?›
Sonic 3 is a closed speech & voice model from Cartesia, released Oct 2025.
What are the best alternatives to Sonic 3?›
Eleven v4 Turbo (cheaper), Simba 3.2 (better), Fish Audio Drama 3 Preview (open weights).