At 4 requests/user/day (totaling 1,200 queries/mo), running Document summarization on Grok 4.6 Flagship costs $59.82 / month ($5.982 / user / mo).
Total expected API invoice for 10 Active Users generating 1,200 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 (10 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| Grok 4.6 Flagship (Current) | xai | $59.82 | $5.982 | $717.84 | 500,000 |
| GPT-5.6 Sol | openai | $158.10 | $15.81 | $1,897.20 | 1,050,000 |
| GPT-5.6 Cyber | openai | $395.25 | $39.525 | $4,743.00 | 1,050,000 |
| GPT-5.5 Standard | openai | $158.10 | $15.81 | $1,897.20 | 512,000 |
| GPT-5.5 Pro | openai | $948.60 | $94.86 | $11,383.20 | 512,000 |
| o3-pro (Frontier Reasoning) | openai | $603.60 | $60.36 | $7,243.20 | 1,000,000 |
At 4 queries per user/day with Grok 4.6 Flagship, the estimated cost is $5.982 per monthly active user (MAU). Total monthly bill for 10 Active Users is $59.82.
Assuming a 10% cache hit rate on repeated system and context tokens, prompt caching saves $4.50 per month ($54.00/year) on Grok 4.6 Flagship.
With a direct COGS of $5.982 per user/month on Grok 4.6 Flagship, charging at least $29.91 per user/month ensures an 80%+ software gross margin.