Step ASR

transcriptionproprietary

Real-time and offline speech recognition for Chinese (multi-dialect) and English. 100 MB file limit.

Capabilities

Infrastructure
Streaming

Details

Model IDstep-asr
Provider StepFun
Creator stepfun
Familystep-asr
Licenseproprietary
Statusactive
Typetranscription
Input modalitiesspeech
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Languages—
Release date—
Sourceofficial

Endpoints

audio transcriptionsPOST
https://api.stepfun.com/audio-transcriptions

Pricing

0.9 元／小时 (CNY)

Family Comparison: step-asr

ModelLanguages
Step ASR 1.1 Stream—
Step ASR 1.1—
Step ASR—

API

GET/v1/models/stepfun/step-asr

Step ASR

step-asr

Real-time and offline speech recognition for Chinese (multi-dialect) and English. 100 MB file limit.

Changes · 5 entries
step-asrupdateca7a400Nov 2, 2026, 03:02 AM
pricing_notes["0.9 CNY per hour."]→["0.9 元／小时 (CNY)"]
taglineReal-time and offline speech recognition for Chinese (mul...
step-asrupdateb2f45bfOct 29, 2026, 03:29 AM
statusdeprecated→active
pricing_notes["0.9元/小时 (CNY)."]→["0.9 元／小时 (CNY)"]
step-asrupdate40decdeSep 16, 2026, 06:38 AM
statusactive→deprecated
step-asrupdatec67ed84Jul 31, 2026, 10:28 AM
pricing_notes["0.9 CNY per hour."]→["0.9元/小时 (CNY)."]
taglineReal-time and offline speech recognition for Chinese (mul...
step-asrcreate3e56cf1Apr 26, 2026, 07:23 PM