At 4 requests/user/day (totaling 600,000 queries/mo), running Document summarization on Grok Build 0.1 costs $14,520.00 / month ($2.904 / user / mo).
Total expected API invoice for 5,000 Active Users generating 600,000 queries.
Direct inference cost per MAU to model your SaaS pricing tiers and gross margins.
Savings generated by exploiting 10% cache hits on prompt context.
| Model | Provider | Monthly Spend (5,000 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| Grok Build 0.1 (Current) | xai | $14,520.00 | $2.904 | $174,240.00 | 256,000 |
| GPT-5.3 Codex | openai | $28,927.50 | $5.786 | $347,130.00 | 256,000 |
| DeepSeek Coder V2.5 | deepseek | $2,011.80 | $0.4024 | $24,141.60 | 128,000 |
| Codestral 2501 | mistral | $4,419.00 | $0.8838 | $53,028.00 | 256,000 |
| Qwen 2.5 Coder 32B | qwen | $2,946.00 | $0.5892 | $35,352.00 | 128,000 |
| DeepInfra — Qwen 2.5 Coder 32B | deepinfra | $1,286.40 | $0.2573 | $15,436.80 | 128,000 |
At 4 queries per user/day with Grok Build 0.1, the estimated cost is $2.904 per monthly active user (MAU). Total monthly bill for 5,000 Active Users is $14,520.00.
Assuming a 10% cache hit rate on repeated system and context tokens, prompt caching saves $1,200.00 per month ($14,400.00/year) on Grok Build 0.1.
With a direct COGS of $2.904 per user/month on Grok Build 0.1, charging at least $14.52 per user/month ensures an 80%+ software gross margin.