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StepFun

Step TTS 2

Canonical ID: stepfun/step-tts-2

Speech generation model for controllable voice, narration, and audio delivery

Reasoning: No Tool use: No

Overview

text audio
Provider
StepFun logo StepFun
Family
step
Release date
2026-03-01
Last updated
2026-07-02
Input modalities
text
Output modalities
audio

Pricing and Limits

Token pricing

Input
N/A
Output
N/A
Cached input
N/A
Currency: USD

Context and output

Context window
0
Max output tokens
0
Qualified ID
stepfun/step-tts-2

Model Summary

Step TTS 2 is a model listing in the StepFun provider catalog. It is categorized under the step family.

The model supports text, audio modalities across input/output paths. Reported context capacity is 0.

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