StepAudio 2.5 TTS vs StepAudio 2.5 TTS (Aug 2026)
AA TTS provider voice AA TTS provider voice (version unstated): People listen to two voices reading the same text and pick the more natural one
StepAudio 2.5 TTS—
StepAudio 2.5 TTS (Aug 2026)1,216
AA TTS controlled voice AA TTS controlled voice (version unstated): People listen to two voices reading the same text and pick the more natural one
StepAudio 2.5 TTS1,077
StepAudio 2.5 TTS (Aug 2026)—
| Benchmark | StepAudio 2.5 TTS | StepAudio 2.5 TTS (Aug 2026) |
|---|---|---|
| AA TTS provider voice | — | 1,216 |
| AA TTS controlled voice | 1,077 | — |
Specs
| Spec | StepAudio 2.5 TTS | StepAudio 2.5 TTS (Aug 2026) |
|---|---|---|
| Weights | Closed | Closed |
| Released | Apr 2026 | Aug 2026 |
| Voice cloning | Yes | Yes |
| Price covers | speech synthesis only; creating a voice asset is billed separately | speech synthesis only; creating a voice asset is billed separately |
What breaks when you switch
StepAudio 2.5 TTS → StepAudio 2.5 TTS (Aug 2026)
Nothing known.
StepAudio 2.5 TTS (Aug 2026) → StepAudio 2.5 TTS
Nothing known.