At 200 requests/user/day (totaling 60,000 queries/mo), running Data extraction & tagging on Mistral Medium 3.5 costs $260.10 / month ($26.01 / user / mo).
Total expected API invoice for 10 Active Users generating 60,000 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 (10 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| Mistral Medium 3.5 (Current) | mistral | $260.10 | $26.01 | $3,121.20 | 256,000 |
| GPT-5.6 Sol | openai | $942.00 | $94.20 | $11,304.00 | 1,050,000 |
| GPT-5.6 Cyber | openai | $2,355.00 | $235.50 | $28,260.00 | 1,050,000 |
| GPT-5.5 Standard | openai | $942.00 | $94.20 | $11,304.00 | 512,000 |
| GPT-5.5 Pro | openai | $5,652.00 | $565.20 | $67,824.00 | 512,000 |
| o3-pro (Frontier Reasoning) | openai | $3,168.00 | $316.80 | $38,016.00 | 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 10 Active Users is $260.10.
Assuming a 20% cache hit rate on repeated system and context tokens, prompt caching saves $32.40 per month ($388.80/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.