Steerable text-to-speech model built on GPT-4o mini.
Released
Mar 20, 2025
Context window
Not disclosed
Max output
Not disclosed
Parameters
Not disclosed
Input price
$0.60 per 1M
Output price
$12.00 per 1M
Prices are first-party list prices in USD at the standard tier. Last verified Oct 30, 2026.
Pricing
Launch priceMar 20, 2025
$0.60 in / $12.00 out
Current price
since Mar 20, 2025
$0.60 in / $12.00 out
Specifications
- Developer
- OpenAI
- Model type
- Audio gen
- Architecture
- Not disclosed
- Parameters
- Not disclosed
- Input
- Text
- Output
- Audio
- Knowledge cutoff
- Not disclosed
- License
- Proprietary
- API access
- First-party API
- End of life
- Jan 6, 2027