Simulating realistic Agentic workflow parameters (40,000 in / 1,500 out with 65% cache reuse). Qwen3 Coder Next (OpenRouter) delivers a 56% cost reduction over Devstral 2 (2512) (OpenRouter).
| Traffic Volume Tier | Devstral 2 (2512) (OpenRouter) Monthly | Qwen3 Coder Next (OpenRouter) Monthly | Monthly Savings by picking Qwen3 Coder Next (OpenRouter) |
|---|---|---|---|
| 1,000 reqs/mo (Dev/Testing) | $10.604 | $4.70 | Save $5.904 / mo |
| 10,000 reqs/mo (Small App) | $106.04 | $47.00 | Save $59.04 / mo |
| 100,000 reqs/mo (Growth Production) | $1,060.40 | $470.00 | Save $590.40 / mo |
| 1,000,000 reqs/mo (Scale SaaS) | $10,604.00 | $4,700.00 | Save $5,904.00 / mo |
Qwen3 Coder Next (OpenRouter) is 56% cheaper for Agentic workflow workloads. At standard Agentic workflow parameter ratios (40,000 input tokens, 1,500 output tokens, 65% cache hit), Qwen3 Coder Next (OpenRouter) costs $0.0047 per request compared to $0.0106 on Devstral 2 (2512) (OpenRouter).
Devstral 2 (2512) (OpenRouter) offers a context window of 262,144 tokens (max output: 209,715), while Qwen3 Coder Next (OpenRouter) offers 262,144 tokens (max output: 235,929).
At 100,000 requests per month, using Qwen3 Coder Next (OpenRouter) saves $590.40 every month (or $7,084.80 annually) compared to Devstral 2 (2512) (OpenRouter).
Prompt caching is the single biggest lever — each step re-reads prior context. Summarize or prune tool outputs before appending them to the transcript. Cap the step budget; runaway loops are the #1 surprise on agent invoices.