StepFun API model

StepFun: step-asr

StepFun step-asr — general-purpose speech recognition covering Chinese, English, and Chinese dialects, for transcription, meeting minutes, call quality review, and voice search. Accepts ogg, mp3, and wav uploads; transcript output is not billed.

Specs

Pricing and API details.

Transparent USD pricing. No mainland-China account or phone required. The displayed media rate may include a service margin covering provider input/output billing, payment processing, chargeback exposure, and operations. Any margin is included in the displayed rate and is not added separately.

Type

Speech recognition (ASR)

Modalities

Audio input, text output

Capabilities

Audio, Speech-to-Text, Chinese Dialects

Billing

$0.15 per audio hour

Endpoint

/v1/audio/transcriptions

About step-asr

StepFun step-asr — general-purpose speech recognition covering Chinese, English, and Chinese dialects, for transcription, meeting minutes, call quality review, and voice search. Accepts ogg, mp3, and wav uploads; transcript output is not billed.

Pricing

Transparent USD pricing.

step-asr

$0.15 per audio hour. Paid in USD. The displayed media rate may include a service margin covering provider input/output billing, payment processing, chargeback exposure, and operations. Any margin is included in the displayed rate and is not added separately. View live pricing

Quickstart

Copy-paste API request.

curl -X POST https://api.chinaapi.ai/v1/audio/transcriptions \
  -H "Authorization: Bearer $CHINAAPI_API_KEY" \
  -F "model=step-asr" \
  -F "[email protected]" \
  -F "response_format=json"

Internal links

Related model pages and guides.

How do I use step-asr?

Use step-asr through ChinaAPI with an API key and the OpenAI-compatible endpoint shown above.

How much does step-asr cost?

step-asr is $0.15 per audio hour, paid in USD. The live pricing page is authoritative. The displayed media rate may include a service margin covering provider input/output billing, payment processing, chargeback exposure, and operations. Any margin is included in the displayed rate and is not added separately.

Does step-asr need a Chinese account?

No. ChinaAPI provides access without a mainland-China account or phone number and includes a $2 free trial. Check live pricing for the displayed USD rate.