Speech Synthesis / Quote
step-tts-2 API Price Speech Synthesis
StepFun · step-tts-2
Input · Cache Miss
¥2.8 /10K chars
Output
¥0 /10K chars
Cache Hit Input
— /10K chars
| Billing | CNY · 10K chars |
|---|---|
| Modalities | Text / Audio |
| Deep Thinking | — |
| Verified Date | 2026-10-10 |
| Official pricing page | platform.stepfun.com/docs/zh/guides/pricing/details ↗ |
Report a pricing issue
Found inaccurate pricing or model information? We will review it.
StepFun Related Models
-
step-5-preview ¥7 / ¥20 -
step-3.7-flash ¥1.35 / ¥8.1 -
Step-3.5-Flash ¥0.7 / ¥2.1 -
step-3.5-flash-2603 ¥0.7 / ¥2.1 -
step-1o-turbo-vision ¥2.5 / ¥8 -
step-2x-large Tiered -
stepaudio-2.5-tts Tiered -
stepaudio-3-tts Tiered -
stepaudio-3-realtime-preview Free -
stepaudio-3-chat-preview Free -
stepaudio-2.5-realtime ¥10 / ¥70 -
stepaudio-2.5-chat ¥10 / ¥25 -
step-1o-audio ¥25 / ¥60 -
step-audio-2 ¥10 / ¥70 -
step-audio-r1.5 ¥10 / ¥105 -
stepaudio-3-asr-max Tiered -
stepaudio-2.5-asr Tiered -
stepaudio-3-music-preview Free -
step-3.5-flash ¥0.7 / ¥2.1 -
step-tts-mini Tiered -
stepaudio-3-gen-preview Free -
stepaudio-2.5-asr-stream Tiered -
stepaudio-2-asr-pro Tiered -
step-asr Tiered -
step-asr-1.1 Tiered -
step-asr-1.1-stream Tiered -
step-image-edit-2 Tiered
FAQ
How much does the step-tts-2 API cost?
Input ¥2.8/10K chars, output ¥0/10K chars
Which input modalities does step-tts-2 support?
Text / Audio.
How does step-tts-2 compare with peers on value?
StepFun step-tts-2 is priced low among comparable models; compare against similar models. See the Pricemon market table for a full comparison.
What use cases suit step-tts-2?
Good for: voice-overs, audiobooks, social media, navigation systems, accessibility.
Does step-tts-2 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.