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
Gemini 3.1 Pro1/4
Monthly cost comparison
Paid channels are sorted by USD-normalised monthly cost.
| Model | Channel | Input price | Output price | Cache | Est. monthly |
|---|---|---|---|---|---|
| Gemini 3.1 Pro | XycAiChina | ¥3.17/1M | ¥19.04/1M | ¥0.32 | $55.20Lowest paid¥380.88 native |
| Gemini 3.1 Pro | OpenRouterGlobal | $1.00/1M | $6.00/1M | — | $120.00USD normalised |
| Gemini 3.1 Pro | OpenRouterGlobal | $2.00/1M | $12.00/1M | $0.20 | $240.00USD normalised |
| Gemini 3.1 Pro | Gemini(Google)Global | $2.00/1M | $12.00/1M | — | $240.00USD normalised |
| Gemini 3.1 Pro | Google Vertex AIGlobal | $2.00/1M | $12.00/1M | — | $240.00USD normalised |