mistralai
Mistral: Mistral Medium 3.1 API Pricing
Mistral: Mistral Medium 3.1 costs $0.400 per 1M input tokens and $2.00 per 1M output tokens (cache reads: $0.040). Context window: 131K. Prices verified 2026-08-23 Β· source
Input / 1M tokens
$0.400
Output / 1M tokens
$2.00
Context window
131K
Max output
β
What would Mistral: Mistral Medium 3.1 cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $11.20 |
| Coding agent | 5,000 | 8,000 / 2,000 | $36.00 |
| RAG pipeline | 30,000 | 4,000 / 500 | $78.00 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $20.00 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About Mistral: Mistral Medium 3.1
Mistral Medium 3.1 is an updated version of Mistral Medium 3, which is a high-performance enterprise-grade language model designed to deliver frontier-level capabilities at significantly reduced operational cost. It balances...
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Official resources
- Mistral: Mistral Medium 3.1 on OpenRouter β live endpoint, pricing source of record.
- Get an OpenRouter API key β β one key, every model including 3.1. Free credits on signup.
- Shred your current bill β paste a CSV and see if switching saves money.