Mistral Medium 3.1 API pricing
As of October 22, 2026, Mistral Medium 3.1 costs $0.40 per million input tokens and $2.00 per million output tokens on Mistral AI's own API, with cached input at $0.04 per million.
Mistral Medium 3.1 benchmarks and specs · Every Mistral AI model's price
- Input, per million tokens$0.40
- Output, per million tokens$2.00
- Cached input, per million$0.04
- Context window131K tokens
- Max output105K tokens
- Output speedNot measured
What a request costs
Three fixed token mixes at the list price, without cache or batch discounts. For a whole month, use the calculator.
| Workload | Tokens | One request | 1,000 requests | Fits the context window |
|---|---|---|---|---|
| Chat turn | 1K input + 500 output tokens | $0.0014 | $1.40 | Yes |
| Repository review | 50K input + 3K output tokens | $0.026 | $26.00 | Yes |
| Agent loop | 200K input + 10K output tokens | $0.100 | $100.00 | No, it would need splitting |
| Solved coding task | One SWE-bench Verified attempt, divided by the share that succeed | Not computable | Not computable |
Price history
We have read Mistral AI's own price every day since October 21, 2026. It has not changed yet; any change will be listed here with its date.
- October 21, 2026 First recorded: $0.40 input, $2.00 output
Cheaper models as good as Mistral Medium 3.1
Mistral Medium 3.1 has no overall or coding score, so we make no quality claim against it.
Mistral Medium 3.1 pricing questions
- How much does Mistral Medium 3.1 cost per million tokens?
- $0.40 per million input tokens and $2.00 per million output tokens, as listed on OpenRouter on October 22, 2026.
- Does Mistral Medium 3.1 support prompt caching?
- Yes. OpenRouter lists cached input at $0.04 per million tokens, against $0.40 for uncached input.
- Has the price of Mistral Medium 3.1 changed?
- Not since we started recording it daily on October 21, 2026.