At 20 requests/user/day (totaling 1,500,000 queries/mo), running Content generation on Gemini 2.0 Flash costs $813.00 / month ($0.3252 / user / mo).
Total expected API invoice for 2,500 Active Users generating 1,500,000 queries.
Direct inference cost per MAU to model your SaaS pricing tiers and gross margins.
Savings generated by exploiting 30% cache hits on prompt context.
| Model | Provider | Monthly Spend (2,500 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| Gemini 2.0 Flash (Current) | $813.00 | $0.3252 | $9,756.00 | 1,048,576 | |
| GPT-5.6 Luna | openai | $2,335.20 | $0.9341 | $28,022.40 | 1,050,000 |
| GPT-5.4 mini | openai | $8,757.00 | $3.503 | $105,084.00 | 256,000 |
| GPT-5.4 nano | openai | $2,425.20 | $0.9701 | $29,102.40 | 128,000 |
| GPT-4o mini | openai | $1,233.00 | $0.4932 | $14,796.00 | 128,000 |
| Claude Haiku 4.5 | anthropic | $9,876.00 | $3.95 | $118,512.00 | 1,000,000 |
At 20 queries per user/day with Gemini 2.0 Flash, the estimated cost is $0.3252 per monthly active user (MAU). Total monthly bill for 2,500 Active Users is $813.00.
Assuming a 30% cache hit rate on repeated system and context tokens, prompt caching saves $27.00 per month ($324.00/year) on Gemini 2.0 Flash.
With a direct COGS of $0.3252 per user/month on Gemini 2.0 Flash, charging at least $1.626 per user/month ensures an 80%+ software gross margin.