StepAudio 3 Realtime
Prices
2 offerings · prices as listed StepFun API (opens in a new tab)
stepaudio-3-realtime| Conditions | Audio/ 60 seconds | Audio/ 3600 seconds |
|---|---|---|
| Standard | $0.125 | $7.50 |
Prices from StepFun: pricing details (opens in a new tab) (checked Nov 4, 2026)
StepFun API (opens in a new tab)
stepaudio-3-realtime| Conditions | Audio/ 60 seconds | Audio/ 3600 seconds |
|---|---|---|
| Standard | ¥0.65 | ¥39.00 |
Prices from 阶跃星辰：定价明细 (opens in a new tab) (checked Nov 4, 2026)
Standard: the price a request with no conditions pays (the headline price elsewhere on the site).
Details
- Model ID
Not stated on StepFun’s pages: max input, max output, input modalities, output modalities, reasoning, reasoning efforts, reasoning can be off, tool use, structured output, built-in tools, voices, languages, knowledge cutoff.
Cited scores
From third-party leaderboards, not measured by usNo cited leaderboard covers realtime voice models yet. We will cite one when its license allows.
News
All news →- Oct 31, 2026Release StepFun releases StepAudio 3 Realtime Realtime voice model.
Changes
All changes →- Now priced on StepFun API, China Audio ¥0.65 · Audio ¥39.00
- Now priced on StepFun API Audio $0.125 · Audio $7.50
- New realtime voice model
Sources
- 阶跃星辰：定价明细in Chinese (opens in a new tab) platform.stepfun.com · checked Nov 4, 2026
- StepFun: pricing details (opens in a new tab) platform.stepfun.ai · checked Nov 4, 2026
StepFun · China · stepfun.com
Related models
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