Simulating realistic Agentic workflow parameters (40,000 in / 1,500 out with 65% cache reuse). Codestral 2508 (OpenRouter) delivers a 84% cost reduction over Gemini 2.5 Pro.
| Traffic Volume Tier | Gemini 2.5 Pro Monthly | Codestral 2508 (OpenRouter) Monthly | Monthly Savings by picking Codestral 2508 (OpenRouter) |
|---|---|---|---|
| 1,000 reqs/mo (Dev/Testing) | $40.625 | $6.33 | Save $34.295 / mo |
| 10,000 reqs/mo (Small App) | $406.25 | $63.30 | Save $342.95 / mo |
| 100,000 reqs/mo (Growth Production) | $4,062.50 | $633.00 | Save $3,429.50 / mo |
| 1,000,000 reqs/mo (Scale SaaS) | $40,625.00 | $6,330.00 | Save $34,295.00 / mo |
Codestral 2508 (OpenRouter) is 84% cheaper for Agentic workflow workloads. At standard Agentic workflow parameter ratios (40,000 input tokens, 1,500 output tokens, 65% cache hit), Codestral 2508 (OpenRouter) costs $0.00633 per request compared to $0.0406 on Gemini 2.5 Pro.
Gemini 2.5 Pro offers a context window of 1,000,000 tokens (max output: 32,768), while Codestral 2508 (OpenRouter) offers 256,000 tokens (max output: 204,800).
At 100,000 requests per month, using Codestral 2508 (OpenRouter) saves $3,429.50 every month (or $41,154.00 annually) compared to Gemini 2.5 Pro.
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.