Speech Synthesis / Quote
StepAudio 3 Realtime Preview (limited-time free) API Price Free Speech Synthesis
StepFun · stepaudio-3-realtime-preview
Input · Cache Miss
Free /1M tokens
Output
Free /1M tokens
Cache Hit Input
— /1M tokens
Price / 1M tokens
Free
Category
Speech Synthesis
| Billing | CNY · 1M tokens |
|---|---|
| Modalities | Audio / Text |
| Deep Thinking | — |
| Verified Date | 2026-09-22 |
| 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.
官方定价页「语音大模型·按 Token 计费」表:当前状态为限时免费(正式恢复收费时间官方未公布)。
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FAQ
How much does the StepAudio 3 Realtime Preview (limited-time free) API cost?
Free
Which input modalities does StepAudio 3 Realtime Preview (limited-time free) support?
Audio / Text.
How does StepAudio 3 Realtime Preview (limited-time free) compare with peers on value?
StepFun StepAudio 3 Realtime Preview (limited-time free) is competitively priced among comparable models; compare against similar models. See the Pricemon market table for a full comparison.
What use cases suit StepAudio 3 Realtime Preview (limited-time free)?
Good for: voice-overs, audiobooks, social media, navigation systems, accessibility.
Does StepAudio 3 Realtime Preview (limited-time free) 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.