OpenAI: gpt-4o-mini-tts API
A next-generation lightweight text-to-speech model released by OpenAI in March 2025. It not only converts text into natural-sounding speech but also allows users to specify tones and styles (e.g., professional, excited, whispering) via instructions, offering superior emotional expressiveness and lower latency than traditional TTS models.
- Max output: 2,000 tokens
- Input: text
- Output: audio
- Released: 2025-03-19
- Knowledge cutoff: 2023-10-30
Frequently Asked Questions
What is the knowledge cutoff of gpt-4o-mini-tts?
The knowledge cutoff of gpt-4o-mini-tts is 2023-10-30.