StepAudio 2.5 ASR is here!
4x faster decoding. 30-minute continuous audio. $0.022/hour.
We built this to push ASR further — faster inference, longer inputs, bilingual accuracy that holds up, and a price point that actually scales.
⚡ 4x decoding speed vs. previous generation
⚡ 30-min continuous audio processing
⚡ Top-tier bilingual (EN/ZH) performance
⚡ 80% lower inference cost — API at $0.022/hr
For more details, check out:
- Documentation: https://t.co/oiya8DpmfM
- Demos: https://t.co/9ob48LOGqs
- Model card: https://t.co/xo1YDteuQG
inference — Running a trained model to get answers — the phase where AI is actually used, as opposed to trained.
Why it matters
Transcription at $0.022 per hour with 30 minute continuous audio and 4x faster decoding changes the cost math for bulk English and Chinese speech pipelines.
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