At 200 requests/user/day (totaling 300,000 queries/mo), running Data extraction & tagging on Mistral Small 4 costs $118.80 / month ($2.376 / user / mo).
Data extraction & tagging for a 50 active users (private beta) audience means 10,000 requests per day on average, each carrying 2,000 input and 250 output tokens at a 20% cacheable share — so the effective per-request cost on Mistral Small 4 is $0.000396, of which $16.20/mo comes back from prompt caching. Per active user that's $2.376/mo — the number to hold against your pricing tier and gross margin. Charging at least $11.88/user/mo keeps gross margin at or above 80%.
Quick answer
For 50 Active Users, Data extraction & tagging on Mistral Small 4 is modeled at 300,000 requests per month, costing $118.80 per month or $2.376 per active user.
Method & trust
This projection combines the selected active-user tier, requests per user per day, input/output tokens per request, and the modeled cache share. It is an operating estimate, not a provider invoice; production traffic and retries should be measured against it.
Total expected API invoice for 50 Active Users generating 300,000 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 (50 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| Mistral Small 4 (Current) | mistral | $118.80 | $2.376 | $1,425.60 | 128,000 |
| GPT-5.6 Luna | openai | $188.40 | $3.768 | $2,260.80 | 1,050,000 |
| GPT-5.4 mini | openai | $706.50 | $14.13 | $8,478.00 | 256,000 |
| GPT-5.4 nano | openai | $192.15 | $3.843 | $2,305.80 | 128,000 |
| GPT-4o mini | openai | $126.00 | $2.52 | $1,512.00 | 128,000 |
| Claude Haiku 4.5 | anthropic | $867.00 | $17.34 | $10,404.00 | 1,000,000 |
At 200 queries per user/day with Mistral Small 4, the estimated cost is $2.376 per monthly active user (MAU). Total monthly bill for 50 Active Users is $118.80.
Assuming a 20% cache hit rate on repeated system and context tokens, prompt caching saves $16.20 per month ($194.40/year) on Mistral Small 4.
With a direct COGS of $2.376 per user/month on Mistral Small 4, charging at least $11.88 per user/month ensures an 80%+ software gross margin.