Simulating realistic Agentic workflow parameters (40,000 in / 1,500 out with 65% cache reuse). Qwen3 Coder Flash (OpenRouter) delivers a 18% cost reduction over Codestral 2501.
| Traffic Volume Tier | Codestral 2501 Monthly | Qwen3 Coder Flash (OpenRouter) Monthly | Monthly Savings by picking Qwen3 Coder Flash (OpenRouter) |
|---|---|---|---|
| 1,000 reqs/mo (Dev/Testing) | $6.33 | $5.207 | Save $1.124 / mo |
| 10,000 reqs/mo (Small App) | $63.30 | $52.065 | Save $11.235 / mo |
| 100,000 reqs/mo (Growth Production) | $633.00 | $520.65 | Save $112.35 / mo |
| 1,000,000 reqs/mo (Scale SaaS) | $6,330.00 | $5,206.50 | Save $1,123.50 / mo |
Qwen3 Coder Flash (OpenRouter) is 18% cheaper for Agentic workflow workloads. At standard Agentic workflow parameter ratios (40,000 input tokens, 1,500 output tokens, 65% cache hit), Qwen3 Coder Flash (OpenRouter) costs $0.005207 per request compared to $0.00633 on Codestral 2501.
Codestral 2501 offers a context window of 256,000 tokens (max output: 8,192), while Qwen3 Coder Flash (OpenRouter) offers 1,000,000 tokens (max output: 65,536).
At 100,000 requests per month, using Qwen3 Coder Flash (OpenRouter) saves $112.35 every month (or $1,348.20 annually) compared to Codestral 2501.
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.