At 15 requests/user/day (totaling 4,500,000 queries/mo), running Translation on o1-mini costs $131,793.75 / month ($13.179 / user / mo).
Total expected API invoice for 10,000 Active Users generating 4,500,000 queries.
Direct inference cost per MAU to model your SaaS pricing tiers and gross margins.
Savings generated by exploiting 15% cache hits on prompt context.
| Model | Provider | Monthly Spend (10,000 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| o1-mini (Current) | openai | $131,793.75 | $13.179 | $1,581,525.00 | 128,000 |
| GPT-5.6 Terra | openai | $335,925.00 | $33.593 | $4,031,100.00 | 1,050,000 |
| GPT-5.4 Workhorse | openai | $419,906.25 | $41.991 | $5,038,875.00 | 256,000 |
| o3-mini | openai | $131,793.75 | $13.179 | $1,581,525.00 | 200,000 |
| o4-mini | openai | $130,865.625 | $13.087 | $1,570,387.50 | 256,000 |
| Claude Sonnet 5 | anthropic | $286,425.00 | $28.643 | $3,437,100.00 | 1,000,000 |
At 15 queries per user/day with o1-mini, the estimated cost is $13.179 per monthly active user (MAU). Total monthly bill for 10,000 Active Users is $131,793.75.
Assuming a 15% cache hit rate on repeated system and context tokens, prompt caching saves $1,856.25 per month ($22,275.00/year) on o1-mini.
With a direct COGS of $13.179 per user/month on o1-mini, charging at least $65.897 per user/month ensures an 80%+ software gross margin.