At 15 requests/user/day (totaling 45,000 queries/mo), running Translation on Perplexity Sonar Reasoning Pro costs $2,430.00 / month ($24.30 / user / mo).
Total expected API invoice for 100 Active Users generating 45,000 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 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| Perplexity Sonar Reasoning Pro (Current) | perplexity | $2,430.00 | $24.30 | $29,160.00 | 127,072 |
| GPT-5.6 Sol | openai | $8,398.125 | $83.981 | $100,777.50 | 1,050,000 |
| GPT-5.6 Cyber | openai | $20,995.313 | $209.953 | $251,943.75 | 1,050,000 |
| GPT-5.5 Standard | openai | $8,398.125 | $83.981 | $100,777.50 | 512,000 |
| GPT-5.5 Pro | openai | $50,388.75 | $503.888 | $604,665.00 | 512,000 |
| o3-pro (Frontier Reasoning) | openai | $23,692.50 | $236.925 | $284,310.00 | 1,000,000 |
At 15 queries per user/day with Perplexity Sonar Reasoning Pro, the estimated cost is $24.30 per monthly active user (MAU). Total monthly bill for 100 Active Users is $2,430.00.
Assuming a 15% cache hit rate on repeated system and context tokens, prompt caching saves $0.00 per month ($0.00/year) on Perplexity Sonar Reasoning Pro.
With a direct COGS of $24.30 per user/month on Perplexity Sonar Reasoning Pro, charging at least $121.50 per user/month ensures an 80%+ software gross margin.