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
GPT 5.6 SolClaude OpusGemini 3.8 Flash3/4
Monthly cost comparison
Paid channels are sorted by USD-normalised monthly cost.
| Model | Channel | Input price | Output price | Cache | Est. monthly |
|---|---|---|---|---|---|
| Gemini 3.8 Flash | Gemini(Google)Global | $0.75/1M | $3.75/1M | — | $78.75Lowest paidUSD normalised |
| Gemini 3.8 Flash | OpenRouterGlobal | $0.75/1M | $3.75/1M | $0.08 | $78.75USD normalised |
| Gemini 3.8 Flash | Google Vertex AIGlobal | $0.75/1M | $3.75/1M | — | $78.75USD normalised |
| GPT 5.6 Sol | OpenRouterGlobal | $2.00/1M | $10.00/1M | $0.20 | $210.00USD normalised |
| GPT 5.6 Sol | OpenAIGlobal | $4.00/1M | $20.00/1M | $0.40 | $420.00USD normalised |
| Claude Opus | OpenRouterGlobal | $5.00/1M | $25.00/1M | $0.50 | $525.00USD normalised |
| Claude Opus | OpenRouterGlobal | $5.00/1M | $25.00/1M | $0.50 | $525.00USD normalised |
| Claude Opus | AnthropicGlobal | $5.00/1M | $25.00/1M | $0.50 | $525.00USD normalised |
| GPT 5.6 Sol | Azure OpenAIGlobal | $5.00/1M | $30.00/1M | $0.50 | $600.00USD normalised |