Model detail
stepaudio-2.5-tts
stepaudio-2.5-tts speech synthesis model, activated after Phase 3.6 source review.
audiospeechtext_to_speechvoice_assistantenterprise_api
AI Model Radar / AI模型雷达
stepaudio-2.5-tts
Model detail, capability tags, source, OpenRouter state, and public reputation.
Source
StepFun audio models documentation
P0 · official · high
Current version
stepaudio-2.5-tts
CompanyStepFun
ReleaseNot disclosed
ContextNot disclosed
ParametersNot disclosed
| Input modalities | text |
|---|---|
| Output modalities | audio |
| Tool use / Function calling | No reliable public source / No reliable public source |
| Structured output / Reasoning | No reliable public source / No reliable public source |
| Vision / Audio / Video | No reliable public source / Yes / No reliable public source |
| Open weights / License | No reliable public source / Not applicable |
| OpenRouter | No reliable public source |
| Community reputation | 1 public signals |
Versions