Compare, 2 models
Side by side.
Sonic 3.6 and Realtime TTS-2 on every board at least two of them share. Blue marks the best in each row.
Specs
List prices, context and published output speed. Blue marks the best in each row.
| Spec | Sonic 3.6Cartesia | Realtime TTS-2Inworld |
|---|---|---|
| Lab | Cartesia | Inworld |
| Type | Audio | Audio |
| Released | Aug 15, 2026 | n/a |
| Priceas listed | $49 / 1M chars | n/a |
| Open weights | No | No |
Benchmarks
Every board where at least two of these models have a published score. Each score links to its source.
| Board | Sonic 3.6Cartesia | Realtime TTS-2Inworld |
|---|---|---|
| Speech arenaAudio, higher is better | 1289 | 1265 |
n/a means the board has not published a score for that model.