AI API monthly cost calculator
Enter your real request pattern and compare every available channel for up to four models. Native prices stay in their published currency; ranking is normalised to USD.
1. Usage
Daily usage is converted using a 30-day month.
0%
Channels without a published cache price use the regular input price.
0%
Assumes the common 50% Batch discount; confirm channel eligibility before use.
30K
requests/mo
30M
input/mo
15M
output/mo
2. Models and region
O31/4
Monthly cost comparison
Paid channels are sorted by USD-normalised monthly cost.
| Model | Channel | Input price | Output price | Cache | Est. monthly |
|---|---|---|---|---|---|
| O3 | OpenRouterGlobal | $0.55/1M | $2.20/1M | $0.28 | $49.50Lowest paidUSD normalised |
| O3 | OpenRouterGlobal | $1.00/1M | $4.00/1M | $0.25 | $90.00USD normalised |
| O3 | Azure OpenAIGlobal | $1.10/1M | $4.40/1M | $0.55 | $99.00USD normalised |
| O3 | OpenRouterGlobal | $1.10/1M | $4.40/1M | $0.55 | $99.00USD normalised |
| O3 | OpenRouterGlobal | $2.00/1M | $8.00/1M | $0.50 | $180.00USD normalised |