At 6 requests/user/day (totaling 1,800 queries/mo), running Customer support chatbot on Pixtral Large costs $8.442 / month ($0.8442 / user / mo).
Total expected API invoice for 10 Active Users generating 1,800 queries.
Direct inference cost per MAU to model your SaaS pricing tiers and gross margins.
Savings generated by exploiting 70% cache hits on prompt context.
| Model | Provider | Monthly Spend (10 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| Pixtral Large (Current) | mistral | $8.442 | $0.8442 | $101.304 | 128,000 |
| GPT-5.6 Sol | openai | $30.555 | $3.056 | $366.66 | 1,050,000 |
| GPT-5.6 Cyber | openai | $76.388 | $7.639 | $916.65 | 1,050,000 |
| GPT-5.5 Standard | openai | $30.555 | $3.056 | $366.66 | 512,000 |
| GPT-5.5 Pro | openai | $183.33 | $18.333 | $2,199.96 | 512,000 |
| o3-pro (Frontier Reasoning) | openai | $97.02 | $9.702 | $1,164.24 | 1,000,000 |
At 6 queries per user/day with Pixtral Large, the estimated cost is $0.8442 per monthly active user (MAU). Total monthly bill for 10 Active Users is $8.442.
Assuming a 70% cache hit rate on repeated system and context tokens, prompt caching saves $7.938 per month ($95.256/year) on Pixtral Large.
With a direct COGS of $0.8442 per user/month on Pixtral Large, charging at least $4.221 per user/month ensures an 80%+ software gross margin.