Build voice applications with Whisper transcription, steerable TTS, and the Realtime voice API. Part of the free OpenAI Academy — every lesson below is open to everyone, no signup required.
Audio Transcription Models OpenAI offers multiple transcription models for converting speech to text, from the legacy Whisper to the new GPT-powered m...
Generating Speech The gpt-4o-mini-tts model generates natural-sounding speech with unprecedented control over tone, emotion, and delivery style. const...