Compare, 2 models
Side by side.
Realtime TTS-2 Flash and StepAudio 2.5 TTS 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 | Realtime TTS-2 FlashInworld | StepAudio 2.5 TTSStepFun |
|---|---|---|
| Lab | Inworld | StepFun |
| Type | Audio | Audio |
| 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 | Realtime TTS-2 FlashInworld | StepAudio 2.5 TTSStepFun |
|---|---|---|
| Speech arenaAudio, higher is better | 1217 | 1216Aug 2026 |
n/a means the board has not published a score for that model.