Speech Synthesis / Quote
StepAudio 2.5 TTS API Price Speech Synthesis
StepFun · stepaudio-2.5-tts
| Billing | CNY · 10K chars |
|---|---|
| Modalities | Text / Audio |
| Deep Thinking | — |
| Verified Date | 2026-09-13 |
| Official pricing page | platform.stepfun.com/docs/zh/guides/pricing/details ↗ |
Source text: the note below is the model's official text, kept in its original Chinese and not translated.
基于语境理解的文本转语音模型;语音复刻 9.9 元/音色(试听仅收合成费)。同页另有 step-tts-2 2.8 元/10K chars、step-tts-mini 0.9 元/10K chars。
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FAQ
How much does the StepAudio 2.5 TTS API cost?
Input ¥5.8/10K chars, output ¥0/10K chars
Which input modalities does StepAudio 2.5 TTS support?
Text / Audio.
How does StepAudio 2.5 TTS compare with peers on value?
StepFun StepAudio 2.5 TTS is competitively priced among comparable models; compare against similar models. See the Pricemon market table for a full comparison.
What use cases suit StepAudio 2.5 TTS?
Good for: voice-overs, audiobooks, social media, navigation systems, accessibility.
Does StepAudio 2.5 TTS have a free tier?
Check StepFun's official pricing page for the latest free quota, trial policy and tiered pricing. Policies differ by vendor and change over time.