Alloy
Echo
Fable
Onyx
Nova
Shimmer
tts-1
Standard
tts-1-hd
High Quality
gpt-4o-mini
Advanced
Ready to generate speech
Premium AI Voice Features
AI-Powered Voices
Experience ultra-realistic text-to-speech with OpenAI's advanced neural network voices that sound completely natural.
Multiple Formats
Download audio in MP3, WAV, FLAC, AAC, Opus or PCM formats for any use case.
Advanced Controls
Adjust speaking speed (0.25x to 4.0x) and add custom voice instructions for gpt-4o-mini model.
Cloud Processing
All audio is generated on powerful cloud servers for fast processing and reliable performance.