StepAudio 2.5 ASR · stepfun
Price, $ $0.001124 / minute
Price alerts
API
OpenAI-compatible API: the official OpenAI SDKs work with this base URL. Replace YOUR_API_KEY with your key from the provider.
| API base URL | |
|---|---|
| Endpoint | |
| Model id | |
curl
curl https://api.stepfun.com/v1/audio/transcriptions \
-H "Authorization: Bearer YOUR_API_KEY" \
-F "model=stepaudio-2.5-asr" -F "file=@audio.mp3"Python
import requests
r = requests.post(
"https://api.stepfun.com/v1/audio/transcriptions",
headers={"Authorization": "Bearer YOUR_API_KEY"},
data={"model": "stepaudio-2.5-asr"},
files={"file": open("audio.mp3", "rb")},
)
print(r.json())JavaScript
const form = new FormData();
form.append("model", "stepaudio-2.5-asr");
form.append("file", fileInput.files[0]);
const r = await fetch("https://api.stepfun.com/v1/audio/transcriptions", {
method: "POST",
headers: {Authorization: "Bearer YOUR_API_KEY"},
body: form,
});
console.log(await r.json());Request (JSON)
{
"model": "stepaudio-2.5-asr",
"file": "@audio.mp3"
}Response (JSON)
{
"text": "Hello!"
}The address is taken from the provider's model list; check it against the provider's documentation.
Source: AI Rate Card, https://airatecard.com/en/c/offer%3Astepfun%7Cstepaudio-2.5-asr, prices checked 2026-11-04; seller's page: https://stepfun.com
Technical details
ID: offer:stepfun|stepaudio-2.5-asr