At 40 requests/user/day (totaling 60,000 queries/mo), running AI coding assistant on QwQ 32B (Reasoner) costs $276.48 / month ($5.53 / user / mo).
Total expected API invoice for 50 Active Users generating 60,000 queries.
Direct inference cost per MAU to model your SaaS pricing tiers and gross margins.
Savings generated by exploiting 60% cache hits on prompt context.
| Model | Provider | Monthly Spend (50 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| QwQ 32B (Reasoner) (Current) | qwen | $276.48 | $5.53 | $3,317.76 | 128,000 |
| GPT-5.6 Terra | openai | $2,102.40 | $42.048 | $25,228.80 | 1,050,000 |
| GPT-5.4 Workhorse | openai | $2,628.00 | $52.56 | $31,536.00 | 256,000 |
| o3-mini | openai | $1,082.40 | $21.648 | $12,988.80 | 200,000 |
| o4-mini | openai | $963.60 | $19.272 | $11,563.20 | 256,000 |
| o1-mini | openai | $1,082.40 | $21.648 | $12,988.80 | 128,000 |
At 40 queries per user/day with QwQ 32B (Reasoner), the estimated cost is $5.53 per monthly active user (MAU). Total monthly bill for 50 Active Users is $276.48.
Assuming a 60% cache hit rate on repeated system and context tokens, prompt caching saves $155.52 per month ($1,866.24/year) on QwQ 32B (Reasoner).
With a direct COGS of $5.53 per user/month on QwQ 32B (Reasoner), charging at least $27.648 per user/month ensures an 80%+ software gross margin.