At 40 requests/user/day (totaling 12,000 queries/mo), running AI coding assistant on QwQ 32B (Reasoner) costs $55.296 / month ($5.53 / user / mo).
Total expected API invoice for 10 Active Users generating 12,000 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 (10 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| QwQ 32B (Reasoner) (Current) | qwen | $55.296 | $5.53 | $663.552 | 128,000 |
| GPT-5.6 Terra | openai | $420.48 | $42.048 | $5,045.76 | 1,050,000 |
| GPT-5.4 Workhorse | openai | $525.60 | $52.56 | $6,307.20 | 256,000 |
| o3-mini | openai | $216.48 | $21.648 | $2,597.76 | 200,000 |
| o4-mini | openai | $192.72 | $19.272 | $2,312.64 | 256,000 |
| o1-mini | openai | $216.48 | $21.648 | $2,597.76 | 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 10 Active Users is $55.296.
Assuming a 60% cache hit rate on repeated system and context tokens, prompt caching saves $31.104 per month ($373.248/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.