At 15 requests/user/day (totaling 4,500 queries/mo), running Translation on Claude 3.5 Sonnet costs $429.637 / month ($42.964 / user / mo).
Total expected API invoice for 10 Active Users generating 4,500 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 (10 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| Claude 3.5 Sonnet (Current) | anthropic | $429.637 | $42.964 | $5,155.65 | 200,000 |
| GPT-5.6 Sol | openai | $839.812 | $83.981 | $10,077.75 | 1,050,000 |
| GPT-5.6 Cyber | openai | $2,099.531 | $209.953 | $25,194.375 | 1,050,000 |
| GPT-5.5 Standard | openai | $839.812 | $83.981 | $10,077.75 | 512,000 |
| GPT-5.5 Pro | openai | $5,038.875 | $503.888 | $60,466.50 | 512,000 |
| o3-pro (Frontier Reasoning) | openai | $2,369.25 | $236.925 | $28,431.00 | 1,000,000 |
At 15 queries per user/day with Claude 3.5 Sonnet, the estimated cost is $42.964 per monthly active user (MAU). Total monthly bill for 10 Active Users is $429.637.
Assuming a 15% cache hit rate on repeated system and context tokens, prompt caching saves $9.113 per month ($109.35/year) on Claude 3.5 Sonnet.
With a direct COGS of $42.964 per user/month on Claude 3.5 Sonnet, charging at least $214.819 per user/month ensures an 80%+ software gross margin.