AssemblyAI
AssemblyAI Universal-3.5 Pro speech-to-text usage cost
Universal-3.5 Pro async at $0.21 per hour ($0.0035 per minute). Realtime and add-ons bill separately.

Estimate cost
- Published unit price
- $0.0035
- Estimated cost
- $3.50
Project monthly volume
- Estimated daily cost
- —
- Estimated monthly cost
- —
Cost at different volumes
AssemblyAI Universal-3.5 Pro speech-to-text as volume grows. Extra rows (25, 50, 250…) sit between the round numbers so a step-up is visible.
| Usage volume | Estimated cost |
|---|---|
| 1 | $0.0035 |
| 10 | $0.035 |
| 25 | $0.0875 |
| 50 | $0.175 |
| 100 | $0.35 |
| 250 | $0.875 |
| 500 | $1.75 |
| 1,000 | $3.50 |
| 2,500 | $8.75 |
| 5,000 | $17.50 |
| 10,000 | $35.00 |
| 25,000 | $87.50 |
| 50,000 | $175.00 |
| 100,000 | $350.00 |
| 250,000 | $875.00 |
| 500,000 | $1,750.00 |
| 1,000,000 | $3,500.00 |
| 5,000,000 | $17,500.00 |
| 10,000,000 | $35,000.00 |
At these rates
- The published rate is $0.0035 per audio minute.
- One thousand units cost $3.50; 100,000 units cost $350.00 before allowances, tiers, or other billing components.
- A $100 budget covers about 28,571 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.