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StepAudio 2.5 ASR
stepfun·stepfun/stepaudio-2.5-asr·GA·Closed·step series·Speech / Audio·NEW
Speech transcription model for accurate audio-to-text and captioning workflows
At a glance
Official pricePrice undisclosed
Lowest paidNo paid channels
Context0
Output limit0
Capabilities
ReasoningTool use? Structured outputTemperatureAttachments
Modalities
Audio
Knowledge cutoff—
Released / updated2026-04-24 / 2026-07-02
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 2 providers0 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| StepFun (Global)Official | First-party | — | — | — | — | 0 | 0 | hostTable.undisclosed |
| StepFun (China)Official | First-party | — | — | — | — | 0 | 0 | hostTable.undisclosed |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
This model has no public prices; can't estimate.
Related models
StepAudio 2.5 TTSsame series—Step TTS 2same series—stepfun-ai/Step-3.5-Flashsame series$0.10 / $0.30
Price historyone sample accumulated per data sync
Input listOutput listMin blended