mistralai
Mistral: Mistral Small 4 API Pricing
Mistral: Mistral Small 4 costs $0.150 per 1M input tokens and $0.600 per 1M output tokens (cache reads: $0.015). Context window: 262K. Prices verified 2026-08-23 Β· source
Input / 1M tokens
$0.150
Output / 1M tokens
$0.600
Context window
262K
Max output
β
What would Mistral: Mistral Small 4 cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $3.60 |
| Coding agent | 5,000 | 8,000 / 2,000 | $12.00 |
| RAG pipeline | 30,000 | 4,000 / 500 | $27.00 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $7.20 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About Mistral: Mistral Small 4
Mistral Small 4 is the next major release in the Mistral Small family, unifying the capabilities of several flagship Mistral models into a single system. It combines strong reasoning from...
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Official resources
- Mistral: Mistral Small 4 on OpenRouter β live endpoint, pricing source of record.
- Get an OpenRouter API key β β one key, every model including 4. Free credits on signup.
- Shred your current bill β paste a CSV and see if switching saves money.