At 4 requests/user/day (totaling 120,000 queries/mo), running Document summarization on Qwen3 Coder Next (OpenRouter) costs $402.60 / month ($0.4026 / user / mo).
Document summarization for a 1,000 active users (seed stage saas) audience means 4,000 requests per day on average, each carrying 25,000 input and 600 output tokens at a 10% cacheable share — so the effective per-request cost on Qwen3 Coder Next (OpenRouter) is $0.003355, of which $15.00/mo comes back from prompt caching. Per active user that's $0.4026/mo — the number to hold against your pricing tier and gross margin. Charging at least $2.013/user/mo keeps gross margin at or above 80%.
Quick answer
For 1,000 Active Users, Document summarization on Qwen3 Coder Next (OpenRouter) is modeled at 120,000 requests per month, costing $402.60 per month or $0.4026 per active user.
Method & trust
This projection combines the selected active-user tier, requests per user per day, input/output tokens per request, and the modeled cache share. It is an operating estimate, not a provider invoice; production traffic and retries should be measured against it.
Total expected API invoice for 1,000 Active Users generating 120,000 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 (1,000 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| Qwen3 Coder Next (OpenRouter) (Current) | qwen | $402.60 | $0.4026 | $4,831.20 | 262,144 |
| GPT-5.3 Codex | openai | $5,785.50 | $5.786 | $69,426.00 | 256,000 |
| DeepSeek Coder V2.5 | deepseek | $402.36 | $0.4024 | $4,828.32 | 128,000 |
| Codestral 2501 | mistral | $883.80 | $0.8838 | $10,605.60 | 256,000 |
| Grok Build 0.1 | xai | $2,904.00 | $2.904 | $34,848.00 | 256,000 |
| Qwen 2.5 Coder 32B | qwen | $589.20 | $0.5892 | $7,070.40 | 128,000 |
At 4 queries per user/day with Qwen3 Coder Next (OpenRouter), the estimated cost is $0.4026 per monthly active user (MAU). Total monthly bill for 1,000 Active Users is $402.60.
Assuming a 10% cache hit rate on repeated system and context tokens, prompt caching saves $15.00 per month ($180.00/year) on Qwen3 Coder Next (OpenRouter).
With a direct COGS of $0.4026 per user/month on Qwen3 Coder Next (OpenRouter), charging at least $2.013 per user/month ensures an 80%+ software gross margin.