StepFun: StepAudio 2.5 ASR
StepAudio 2.5 ASR is a speech to text model from StepFun released on Apr 24, 2026. It reads audio and writes text.
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2 providers serve it, including StepFun (Global).
- Modalities
- In / out price
- n/a
- Context
- n/a
- Max output
- n/a
- Released
- Apr 24, 2026
- Knowledge cutoff
- n/a
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
StepAudio 2.5 ASR providers
2 providers serve it, including StepFun (Global). Each host sets its own price and limits, so the cheapest one is not always the one with the longest context.
| Provider | Input /M | Output /M | Cache read /M | Context | Max output |
|---|---|---|---|---|---|
| StepFun (China) First party | n/a | n/a | – | n/a | n/a |
| StepFun (Global) | n/a | n/a | – | n/a | n/a |
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StepAudio 2.5 ASR questions
Which providers serve StepAudio 2.5 ASR?
2 providers serve it, including StepFun (Global). Prices differ by host, so the Providers table on this page lists each one with its input and output price.
Is StepAudio 2.5 ASR open source?
No. StepFun serves it through an API only, so you cannot download the weights or host it yourself.
When was StepAudio 2.5 ASR released?
Apr 24, 2026.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.