Speech-to-text model built on GPT-4o with lower word error rate than Whisper.
Released
Mar 20, 2025
Context window
16K tokens
Max output
2K tokens
Parameters
Not disclosed
Input price
$2.50 per 1M
Output price
$10.00 per 1M
Prices are first-party list prices in USD at the standard tier. Last verified Oct 30, 2026.
Pricing
Launch priceMar 20, 2025
$2.50 in / $10.00 out
Current price
since Mar 20, 2025
$2.50 in / $10.00 out
Specifications
- Developer
- OpenAI
- Model type
- Other
- Architecture
- Not disclosed
- Parameters
- Not disclosed
- Input
- Text Audio
- Output
- Text
- Knowledge cutoff
- Jun 2024
- License
- Proprietary
- API access
- First-party API
- End of life
- Feb 26, 2027