Speech Synthesis / Quote
Step-1o-Audio API Price Speech Synthesis
StepFun · step-1o-audio
| Billing | CNY · 1M tokens |
|---|---|
| Modalities | Audio / Text |
| Deep Thinking | — |
| Verified Date | 2026-10-01 |
| 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:输入(缓存未命中)25 元、缓存命中 5 元、输出 60 元每百万 tokens,当前状态为按量计费。
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Monthly Cost Estimate
30 days · no cache hits · list price
Free quotas, tiered pricing, batch discounts, and time-based pricing are not included; refer to official bills.
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FAQ
How much does the Step-1o-Audio API cost?
Input ¥25/1M tokens, output ¥60/1M tokens
Which input modalities does Step-1o-Audio support?
Audio / Text.
What is the approximate monthly cost of Step-1o-Audio?
Depends on volume: light use (1M input + 300K output per day) ≈ ¥1,290/month; medium (5M + 1.5M) ≈ ¥6,450/month; heavy agents (10M + 3M) ≈ ¥12,900/month. Cache hits, batch discounts and tiered pricing can lower this further.
How does Step-1o-Audio compare with peers on value?
StepFun Step-1o-Audio is competitively priced among comparable models; compare against similar models. See the Pricemon market table for a full comparison.
What use cases suit Step-1o-Audio?
Good for: voice-overs, audiobooks, social media, navigation systems, accessibility.
Does Step-1o-Audio 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.