stepaudio-3-chat-preview

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Audio
Tools
Pricing is temporarily unavailable — capabilities and docs are still fully viewable.
Billing details

Description

StepFun StepAudio 3 Chat (preview) — speech-understanding dialogue model on POST /v1/chat/completions: send speech as input_audio content parts, or text, turn by turn and get text back, with tool calling. Free while StepFun's preview runs. StepFun retires the preview name when the free period ends and releases a paid version, so plan for this model ID to stop working at that point.

Capabilities

Tasks
chat, audio-understanding

API endpoints

  • POST /v1/chat/completions (openai)