At 6 requests/user/day (totaling 18,000 queries/mo), running Customer support chatbot on DeepSeek Coder V2.5 costs $5.027 / month ($0.0503 / user / mo).
Total expected API invoice for 100 Active Users generating 18,000 queries.
Direct inference cost per MAU to model your SaaS pricing tiers and gross margins.
Savings generated by exploiting 70% cache hits on prompt context.
| Model | Provider | Monthly Spend (100 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| DeepSeek Coder V2.5 (Current) | deepseek | $5.027 | $0.0503 | $60.329 | 128,000 |
| GPT-5.3 Codex | openai | $128.993 | $1.29 | $1,547.91 | 256,000 |
| Codestral 2501 | mistral | $12.663 | $0.1266 | $151.956 | 256,000 |
| Grok Build 0.1 | xai | $40.32 | $0.4032 | $483.84 | 256,000 |
| Qwen 2.5 Coder 32B | qwen | $8.442 | $0.0844 | $101.304 | 128,000 |
| DeepInfra — Qwen 2.5 Coder 32B | deepinfra | $6.552 | $0.0655 | $78.624 | 128,000 |
At 6 queries per user/day with DeepSeek Coder V2.5, the estimated cost is $0.0503 per monthly active user (MAU). Total monthly bill for 100 Active Users is $5.027.
Assuming a 70% cache hit rate on repeated system and context tokens, prompt caching saves $5.557 per month ($66.679/year) on DeepSeek Coder V2.5.
With a direct COGS of $0.0503 per user/month on DeepSeek Coder V2.5, charging at least $0.2514 per user/month ensures an 80%+ software gross margin.