At 200 requests/user/day (totaling 300,000 queries/mo), running Data extraction & tagging on DeepSeek V4 Pro costs $935.88 / month ($18.718 / user / mo).
Total expected API invoice for 50 Active Users generating 300,000 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 (50 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| DeepSeek V4 Pro (Current) | deepseek | $935.88 | $18.718 | $11,230.56 | 1,000,000 |
| GPT-5.6 Terra | openai | $1,884.00 | $37.68 | $22,608.00 | 1,050,000 |
| GPT-5.4 Workhorse | openai | $2,355.00 | $47.10 | $28,260.00 | 256,000 |
| o3-mini | openai | $924.00 | $18.48 | $11,088.00 | 200,000 |
| o4-mini | openai | $891.00 | $17.82 | $10,692.00 | 256,000 |
| o1-mini | openai | $924.00 | $18.48 | $11,088.00 | 128,000 |
At 200 queries per user/day with DeepSeek V4 Pro, the estimated cost is $18.718 per monthly active user (MAU). Total monthly bill for 50 Active Users is $935.88.
Assuming a 20% cache hit rate on repeated system and context tokens, prompt caching saves $153.12 per month ($1,837.44/year) on DeepSeek V4 Pro.
With a direct COGS of $18.718 per user/month on DeepSeek V4 Pro, charging at least $93.588 per user/month ensures an 80%+ software gross margin.