At 200 requests/user/day (totaling 15,000,000 queries/mo), running Data extraction & tagging on Mistral Medium 3.5 costs $65,025.00 / month ($26.01 / user / mo).
Total expected API invoice for 2,500 Active Users generating 15,000,000 queries.
Direct inference cost per MAU to model your SaaS pricing tiers and gross margins.
Savings generated by exploiting 20% cache hits on prompt context.
| Model | Provider | Monthly Spend (2,500 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| Mistral Medium 3.5 (Current) | mistral | $65,025.00 | $26.01 | $780,300.00 | 256,000 |
| GPT-5.6 Sol | openai | $235,500.00 | $94.20 | $2,826,000.00 | 1,050,000 |
| GPT-5.6 Cyber | openai | $588,750.00 | $235.50 | $7,065,000.00 | 1,050,000 |
| GPT-5.5 Standard | openai | $235,500.00 | $94.20 | $2,826,000.00 | 512,000 |
| GPT-5.5 Pro | openai | $1,413,000.00 | $565.20 | $16,956,000.00 | 512,000 |
| o3-pro (Frontier Reasoning) | openai | $792,000.00 | $316.80 | $9,504,000.00 | 1,000,000 |
At 200 queries per user/day with Mistral Medium 3.5, the estimated cost is $26.01 per monthly active user (MAU). Total monthly bill for 2,500 Active Users is $65,025.00.
Assuming a 20% cache hit rate on repeated system and context tokens, prompt caching saves $8,100.00 per month ($97,200.00/year) on Mistral Medium 3.5.
With a direct COGS of $26.01 per user/month on Mistral Medium 3.5, charging at least $130.05 per user/month ensures an 80%+ software gross margin.