OpenAI
OpenAI TTS-1 HD text-to-speech usage cost
$3e-05 per character (published as $0.03 per 1k). Higher-fidelity TTS list rate of $30 per 1M characters ($0.03 per 1,000 characters).
Estimate cost
- Published unit price
- $0.00003
- Estimated cost
- $0.03
Project monthly volume
- Estimated daily cost
- —
- Estimated monthly cost
- —
Cost at different volumes
OpenAI TTS-1 HD text-to-speech as volume grows. Extra rows (25, 50, 250…) sit between the round numbers so a step-up is visible.
| Usage volume | Estimated cost |
|---|---|
| 1 | $0.00003 |
| 10 | $0.0003 |
| 25 | $0.00075 |
| 50 | $0.0015 |
| 100 | $0.003 |
| 250 | $0.0075 |
| 500 | $0.015 |
| 1,000 | $0.03 |
| 2,500 | $0.075 |
| 5,000 | $0.15 |
| 10,000 | $0.3 |
| 25,000 | $0.75 |
| 50,000 | $1.50 |
| 100,000 | $3.00 |
| 250,000 | $7.50 |
| 500,000 | $15.00 |
| 1,000,000 | $30.00 |
| 5,000,000 | $150.00 |
| 10,000,000 | $300.00 |
At these rates
- The published rate is $0.00003 per character.
- One thousand units cost $0.03; 100,000 units cost $3.00 before allowances, tiers, or other billing components.
- A $100 budget covers about 3,333,333 units at this linear rate.
The calculator applies the published unit rate in a straight line. Included quotas, tiers, minimums, regional charges, and other billing lines can change the total.