At 15 requests/user/day (totaling 45,000,000 queries/mo), running Translation on DeepSeek V4 Pro costs $1,234,035.00 / month ($12.34 / 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 |
|---|---|---|---|---|---|
| DeepSeek V4 Pro (Current) | deepseek | $1,234,035.00 | $12.34 | $14,808,420.00 | 1,000,000 |
| GPT-5.6 Terra | openai | $3,359,250.00 | $33.593 | $40,311,000.00 | 1,050,000 |
| GPT-5.4 Workhorse | openai | $4,199,062.50 | $41.991 | $50,388,750.00 | 256,000 |
| o3-mini | openai | $1,317,937.50 | $13.179 | $15,815,250.00 | 200,000 |
| o4-mini | openai | $1,308,656.25 | $13.087 | $15,703,875.00 | 256,000 |
| o1-mini | openai | $1,317,937.50 | $13.179 | $15,815,250.00 | 128,000 |
At 15 queries per user/day with DeepSeek V4 Pro, the estimated cost is $12.34 per monthly active user (MAU). Total monthly bill for 100,000 Active Users is $1,234,035.00.
Assuming a 15% cache hit rate on repeated system and context tokens, prompt caching saves $43,065.00 per month ($516,780.00/year) on DeepSeek V4 Pro.
With a direct COGS of $12.34 per user/month on DeepSeek V4 Pro, charging at least $61.702 per user/month ensures an 80%+ software gross margin.