At 15 requests/user/day (totaling 45,000,000 queries/mo), running Translation on Claude Opus 5 costs $7,160,625.00 / month ($71.606 / user / mo).
Total expected API invoice for 100,000 Active Users generating 45,000,000 queries.
Direct inference cost per MAU to model your SaaS pricing tiers and gross margins.
Savings generated by exploiting 15% cache hits on prompt context.
| Model | Provider | Monthly Spend (100,000 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| Claude Opus 5 (Current) | anthropic | $7,160,625.00 | $71.606 | $85,927,500.00 | 1,000,000 |
| GPT-5.6 Sol | openai | $8,398,125.00 | $83.981 | $100,777,500.00 | 1,050,000 |
| GPT-5.6 Cyber | openai | $20,995,312.50 | $209.953 | $251,943,750.00 | 1,050,000 |
| GPT-5.5 Standard | openai | $8,398,125.00 | $83.981 | $100,777,500.00 | 512,000 |
| GPT-5.5 Pro | openai | $50,388,750.00 | $503.888 | $604,665,000.00 | 512,000 |
| o3-pro (Frontier Reasoning) | openai | $23,692,500.00 | $236.925 | $284,310,000.00 | 1,000,000 |
At 15 queries per user/day with Claude Opus 5, the estimated cost is $71.606 per monthly active user (MAU). Total monthly bill for 100,000 Active Users is $7,160,625.00.
Assuming a 15% cache hit rate on repeated system and context tokens, prompt caching saves $151,875.00 per month ($1,822,500.00/year) on Claude Opus 5.
With a direct COGS of $71.606 per user/month on Claude Opus 5, charging at least $358.031 per user/month ensures an 80%+ software gross margin.