At 20 requests/user/day (totaling 300,000 queries/mo), running Content generation on Pixtral Large costs $2,510.40 / month ($5.021 / user / mo).
Total expected API invoice for 500 Active Users generating 300,000 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 (500 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| Pixtral Large (Current) | mistral | $2,510.40 | $5.021 | $30,124.80 | 128,000 |
| GPT-5.6 Sol | openai | $11,676.00 | $23.352 | $140,112.00 | 1,050,000 |
| GPT-5.6 Cyber | openai | $29,190.00 | $58.38 | $350,280.00 | 1,050,000 |
| GPT-5.5 Standard | openai | $11,676.00 | $23.352 | $140,112.00 | 512,000 |
| GPT-5.5 Pro | openai | $70,056.00 | $140.112 | $840,672.00 | 512,000 |
| o3-pro (Frontier Reasoning) | openai | $32,304.00 | $64.608 | $387,648.00 | 1,000,000 |
At 20 queries per user/day with Pixtral Large, the estimated cost is $5.021 per monthly active user (MAU). Total monthly bill for 500 Active Users is $2,510.40.
Assuming a 30% cache hit rate on repeated system and context tokens, prompt caching saves $129.60 per month ($1,555.20/year) on Pixtral Large.
With a direct COGS of $5.021 per user/month on Pixtral Large, charging at least $25.104 per user/month ensures an 80%+ software gross margin.