# StepAudio 2.5 ASR

`stepaudio-2.5-asr` — **stepfun** · TRANSCRIPTION

> StepAudio 2.5 ASR (stepaudio-2.5-asr) is a transcription model from stepfun; proprietary (API-only); input audio; output text.

| Field | Value |
| --- | --- |
| Vendor | stepfun |
| Kind | TRANSCRIPTION |
| Input modalities | audio |
| Output modalities | text |
| Weights | Proprietary (API-only) |
| Release date | 2026-04-24 |
| Sources | models-dev |
| Last verified | 2026-10-30 |

*Part of the [Model Catalog](https://openviglet.github.io/model-catalog/) — [stepfun models](https://openviglet.github.io/model-catalog/models/stepfun/) · [Vendor JSON](https://openviglet.github.io/model-catalog/by-vendor/stepfun.json) · [HTML](https://openviglet.github.io/model-catalog/models/stepfun/stepaudio-2.5-asr.html)*