At 15 requests/user/day (totaling 450,000 queries/mo), running Translation on DeepSeek V3.2 (OpenRouter) costs $1,481.625 / month ($1.482 / user / mo).
Translation for a 1,000 active users (seed stage saas) audience means 15,000 requests per day on average, each carrying 5,000 input and 5,500 output tokens at a 15% cacheable share — so the effective per-request cost on DeepSeek V3.2 (OpenRouter) is $0.003293, of which $43.875/mo comes back from prompt caching. Per active user that's $1.482/mo — the number to hold against your pricing tier and gross margin. Charging at least $7.408/user/mo keeps gross margin at or above 80%.
Quick answer
For 1,000 Active Users, Translation on DeepSeek V3.2 (OpenRouter) is modeled at 450,000 requests per month, costing $1,481.625 per month or $1.482 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 450,000 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 (1,000 Active Users) | Cost / User / Mo | Annual Spend | Context Limit |
|---|---|---|---|---|---|
| DeepSeek V3.2 (OpenRouter) (Current) | deepseek | $1,481.625 | $1.482 | $17,779.50 | 163,840 |
| GPT-5.6 Luna | openai | $3,359.25 | $3.359 | $40,311.00 | 1,050,000 |
| GPT-5.4 mini | openai | $12,597.187 | $12.597 | $151,166.25 | 256,000 |
| GPT-5.4 nano | openai | $3,483.00 | $3.483 | $41,796.00 | 128,000 |
| GPT-4o mini | openai | $1,797.188 | $1.797 | $21,566.25 | 128,000 |
| Claude Haiku 4.5 | anthropic | $14,321.25 | $14.321 | $171,855.00 | 1,000,000 |
At 15 queries per user/day with DeepSeek V3.2 (OpenRouter), the estimated cost is $1.482 per monthly active user (MAU). Total monthly bill for 1,000 Active Users is $1,481.625.
Assuming a 15% cache hit rate on repeated system and context tokens, prompt caching saves $43.875 per month ($526.50/year) on DeepSeek V3.2 (OpenRouter).
With a direct COGS of $1.482 per user/month on DeepSeek V3.2 (OpenRouter), charging at least $7.408 per user/month ensures an 80%+ software gross margin.