OpenAI: gpt-4o-mini-tts-2025-03-20 API
A dedicated text-to-speech snapshot of the GPT-4o mini series released in March 2025. Featuring a "Steerable Delivery System," it allows developers to precisely control emotion, tone, emphasis, and pacing via natural language instructions, delivering human-like audio far superior to traditional TTS models.
- Context window: 2,000 tokens
- Input: text
- Output: audio
- Released: 2025-03-19
- Knowledge cutoff: 2023-09-30
Frequently Asked Questions
What is the context window of gpt-4o-mini-tts-2025-03-20?
gpt-4o-mini-tts-2025-03-20 supports a context window of up to 2,000 tokens.
What is the knowledge cutoff of gpt-4o-mini-tts-2025-03-20?
The knowledge cutoff of gpt-4o-mini-tts-2025-03-20 is 2023-09-30.