GPT-4o Mini Transcribe (2025-12-15)

GPT-4o Mini Transcribe (2025-03-20)

Original release snapshot of GPT-4o Mini Transcribe

GPT-4o Mini Transcribe

OpenAI's efficient speech-to-text model with improved accuracy over Whisper

GPT-4o Mini TTS (2025-03-20)

Original release snapshot of GPT-4o Mini TTS with voice instructions support

GPT-4o Mini TTS (2025-12-15)

Latest snapshot of GPT-4o Mini TTS with voice instructions support

GPT-4o Mini TTS

Ultra-low cost text-to-speech model with voice instructions support

OpenAI TTS

Standard quality text-to-speech model with low latency