All models / stepaudio-3-music / StepFun
stepaudio-3-music
model id: stepfun/stepaudio-3-music/stepfun
Text in → Audio out
Price
$0 / song
flat price per generated track — length is controlled by your prompt, not a request parameter, and doesn't change the price
+ VideoRouter platform fee: 2% of provider cost (≈ $0) — billed as its own line, never blended into the price above.
API
curl https://videorouter.sh/api/v1/audio/music \
-H "Authorization: Bearer llmr_sk_..." \
-H "Content-Type: application/json" \
-d '{"model": "stepaudio-3-music", "prompt": "An upbeat acoustic guitar folk song about road trips"}' \
--output song.mp3Customer reviews
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★★★★★
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