At 200 requests/user/day (totaling 3,000,000 queries/mo), running Data extraction & tagging on Claude Opus 5 costs $43,350.00 / month ($86.70 / user / mo).
Total expected API invoice for 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 20% cache hits on prompt context.
| Model | Provider | Monthly Spend (500 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| Claude Opus 5 (Current) | anthropic | $43,350.00 | $86.70 | $520,200.00 | 1,000,000 |
| GPT-5.6 Sol | openai | $47,100.00 | $94.20 | $565,200.00 | 1,050,000 |
| GPT-5.6 Cyber | openai | $117,750.00 | $235.50 | $1,413,000.00 | 1,050,000 |
| GPT-5.5 Standard | openai | $47,100.00 | $94.20 | $565,200.00 | 512,000 |
| GPT-5.5 Pro | openai | $282,600.00 | $565.20 | $3,391,200.00 | 512,000 |
| o3-pro (Frontier Reasoning) | openai | $158,400.00 | $316.80 | $1,900,800.00 | 1,000,000 |
At 200 queries per user/day with Claude Opus 5, the estimated cost is $86.70 per monthly active user (MAU). Total monthly bill for 500 Active Users is $43,350.00.
Assuming a 20% cache hit rate on repeated system and context tokens, prompt caching saves $5,400.00 per month ($64,800.00/year) on Claude Opus 5.
With a direct COGS of $86.70 per user/month on Claude Opus 5, charging at least $433.50 per user/month ensures an 80%+ software gross margin.