OpenAI
OpenAI TTS-1 text-to-speech
$1.5e-05 per character (published as $0.015 per 1k). tts-1 list price of $15 per 1M characters, shown here as $0.015 per 1,000 characters for volume planning.
Usage calculator
- Published unit price
- $0.000015
- Estimated cost
- $0.015
Project monthly volume
- Estimated daily cost
- —
- Estimated monthly cost
- —
Cost by usage volume
The table includes intermediate steps such as 25, 50, and 250 units, so you can inspect growth between large round-number bands.
| Usage volume | Estimated cost |
|---|---|
| 1 | $0.000015 |
| 10 | $0.00015 |
| 25 | $0.000375 |
| 50 | $0.00075 |
| 100 | $0.0015 |
| 250 | $0.00375 |
| 500 | $0.0075 |
| 1,000 | $0.015 |
| 2,500 | $0.0375 |
| 5,000 | $0.075 |
| 10,000 | $0.15 |
| 25,000 | $0.375 |
| 50,000 | $0.75 |
| 100,000 | $1.50 |
| 250,000 | $3.75 |
| 500,000 | $7.50 |
| 1,000,000 | $15.00 |
| 5,000,000 | $75.00 |
| 10,000,000 | $150.00 |
Cost profile
- The published rate is $0.000015 per character.
- One thousand units cost $0.015; 100,000 units cost $1.50 before allowances, tiers, or other billing components.
- A $100 budget covers about 6,666,666 units at this linear rate.
This calculator applies the published unit rate linearly. Included quotas, tiered prices, minimum commitments, regional charges, and other billing components may change the actual total.