Simulating realistic Agentic workflow parameters (40,000 in / 1,500 out with 65% cache reuse). Mistral Medium 3.5 delivers a 92% cost reduction over o3-pro (Frontier Reasoning).
| Traffic Volume Tier | o3-pro (Frontier Reasoning) Monthly | Mistral Medium 3.5 Monthly | Monthly Savings by picking Mistral Medium 3.5 |
|---|---|---|---|
| 1,000 reqs/mo (Dev/Testing) | $452.00 | $36.15 | Save $415.85 / mo |
| 10,000 reqs/mo (Small App) | $4,520.00 | $361.50 | Save $4,158.50 / mo |
| 100,000 reqs/mo (Growth Production) | $45,200.00 | $3,615.00 | Save $41,585.00 / mo |
| 1,000,000 reqs/mo (Scale SaaS) | $452,000.00 | $36,150.00 | Save $415,850.00 / mo |
Mistral Medium 3.5 is 92% cheaper for Agentic workflow workloads. At standard Agentic workflow parameter ratios (40,000 input tokens, 1,500 output tokens, 65% cache hit), Mistral Medium 3.5 costs $0.0362 per request compared to $0.452 on o3-pro (Frontier Reasoning).
o3-pro (Frontier Reasoning) offers a context window of 1,000,000 tokens (max output: 128,000), while Mistral Medium 3.5 offers 256,000 tokens (max output: 32,768).
At 100,000 requests per month, using Mistral Medium 3.5 saves $41,585.00 every month (or $499,020.00 annually) compared to o3-pro (Frontier Reasoning).
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.