At 40 requests/user/day (totaling 3,000,000 queries/mo), running AI coding assistant on Qwen 2.5 Max costs $64,896.00 / month ($25.958 / user / mo).
Total expected API invoice for 2,500 Active Users generating 3,000,000 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 (2,500 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| Qwen 2.5 Max (Current) | qwen | $64,896.00 | $25.958 | $778,752.00 | 32,768 |
| GPT-5.6 Sol | openai | $262,800.00 | $105.12 | $3,153,600.00 | 1,050,000 |
| GPT-5.6 Cyber | openai | $657,000.00 | $262.80 | $7,884,000.00 | 1,050,000 |
| GPT-5.5 Standard | openai | $262,800.00 | $105.12 | $3,153,600.00 | 512,000 |
| GPT-5.5 Pro | openai | $1,576,800.00 | $630.72 | $18,921,600.00 | 512,000 |
| o3-pro (Frontier Reasoning) | openai | $811,200.00 | $324.48 | $9,734,400.00 | 1,000,000 |
At 40 queries per user/day with Qwen 2.5 Max, the estimated cost is $25.958 per monthly active user (MAU). Total monthly bill for 2,500 Active Users is $64,896.00.
Assuming a 60% cache hit rate on repeated system and context tokens, prompt caching saves $31,104.00 per month ($373,248.00/year) on Qwen 2.5 Max.
With a direct COGS of $25.958 per user/month on Qwen 2.5 Max, charging at least $129.792 per user/month ensures an 80%+ software gross margin.