Text to Speech Model
GPT Realtime 2.1 Mini TTS
Text to Speech by OpenAI
Publisher
OpenAI
OpenAITypeText to Speech
Context Window1,500 tokens
ReleasedJuly 2026
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Documentation & links
Configuration
Parameters & options
VoiceSelect
InstructionsPrompt
Optional direction for the delivery: tone, pace, accent or character (e.g. "calm and reassuring, like a late-night radio host").
SpeedNumber
Speaking speed. 1.0 is normal.
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