Mistral AI, unknown

# Mistral Medium 3.1

> Mistral Medium 3.1 by Mistral AI. Ranked #266 of 354 with a Noometry Index of 31.9. API: $0.40 in / $2 out per M tokens. 131K context. Scores, sources and comparisons.
- Canonical page: https://noometry.com/models/mistral-medium-3-1
- Last updated: 2026-10-10
- Title: Mistral Medium 3.1 Benchmarks, Price & Rank (October 2026)

Mistral Medium 3.1 by Mistral AI ranks 266th of 354 ranked models on the Noometry Index as of October 2026, with a score of 31.9. Its strongest category is writing & preference, where it ranks 145th. API pricing starts at $0.40 per million input tokens and $2 per million output tokens, with a 131K-token context window.

Last verified October 10, 2026

## Specifications

- **Noometry rank:** #266 of 354
- **Index score:** 31.9
- **Evidence:** Reported 3 results
- **Provider:** [![](/logos/mistral.svg) Mistral AI](https://noometry.com/providers/mistral)
- **Released:** Unknown
- **Weights:** Unknown
- **Reasoning:** Unknown
- **Context window:** 131K
- **Max output:** 105K
- **Input price:** $0.40 / M
- **Output price:** $2 / M
- **Blended price:** $0.80 / M
- **Output speed:** Not measured
- **Value:** #120 of 219
- **Knowledge cutoff:** Unknown
- **Input:** text, image, file

## Category scores

Each category score combines every public result we have in that category.

Mistral Medium 3.1 category scores

1.  Reasoning 10.6
2.  Writing & Preference 55.5
3.  0204060

Mistral Medium 3.1 category ranks
| Category | Score | Rank | Results |
| --- | --- | --- | --- |
| [Reasoning](https://noometry.com/best/reasoning) | 10.6 | #341 | 2 |
| [Writing & Preference](https://noometry.com/best/writing) | 55.5 | #145 | 1 |

## Strengths and weaknesses

Categories where Mistral Medium 3.1 places highest and lowest among the models ranked in each, with its score against that category's median.

### Strongest categories

Mistral Medium 3.1: strongest categories
| Category | Score | vs median | Rank |
| --- | --- | --- | --- |
| [Writing & Preference](https://noometry.com/best/writing) | 55.5 | +1.8 | #145 of 312, top 47% |

### Weakest categories

Mistral Medium 3.1: weakest categories
| Category | Score | vs median | Rank |
| --- | --- | --- | --- |
| [Reasoning](https://noometry.com/best/reasoning) | 10.6 | −13.0 | #341 of 350, top 98% |

## Closest competitors

The models ranked just above and below Mistral Medium 3.1. When scores are this close, price and speed are often the better way to choose.

Models ranked closest to Mistral Medium 3.1
| Model | Rank | Score | Blended $/M | Speed |  |
| --- | --- | --- | --- | --- | --- |
| [Gemma 3 12B](https://noometry.com/models/gemma-3-12b) | #262 | 32.1 | $0.075 | — | [Compare](https://noometry.com/compare/gemma-3-12b-vs-mistral-medium-3-1) |
| [Mistral Large](https://noometry.com/models/mistral-large) | #263 | 31.9 | $3 | — | [Compare](https://noometry.com/compare/mistral-large-vs-mistral-medium-3-1) |
| [Qwen3-4B](https://noometry.com/models/qwen3-4b) | #264 | 31.9 | — | — | [Compare](https://noometry.com/compare/mistral-medium-3-1-vs-qwen3-4b) |
| [Amazon Nova Lite](https://noometry.com/models/amazon-nova-lite) | #265 | 31.9 | $0.10 | — | [Compare](https://noometry.com/compare/amazon-nova-lite-vs-mistral-medium-3-1) |
| [Qwen2.5 72B Instruct](https://noometry.com/models/qwen2-5-72b-instruct) | #267 | 31.9 | $2.45 | — | [Compare](https://noometry.com/compare/mistral-medium-3-1-vs-qwen2-5-72b-instruct) |
| [Llama2 70b Steerlm Chat](https://noometry.com/models/llama2-70b-steerlm-chat) | #268 | 31.8 | — | — | [Compare](https://noometry.com/compare/llama2-70b-steerlm-chat-vs-mistral-medium-3-1) |
| [Mistral Small 3.1](https://noometry.com/models/mistral-small-3-1) | #269 | 31.7 | $0.40 | — | [Compare](https://noometry.com/compare/mistral-medium-3-1-vs-mistral-small-3-1) |
| [Granite 3.0 8b Instruct](https://noometry.com/models/granite-3-0-8b-instruct) | #270 | 31.6 | — | — | [Compare](https://noometry.com/compare/granite-3-0-8b-instruct-vs-mistral-medium-3-1) |

Sponsored placements are available on pages like this one. [Advertise on Noometry](https://noometry.com/advertise)

## Benchmark results

Every published result we track, with its source. Bold rows are the ones used for ranking; where several exist we prefer independent runs over self-reported numbers.

### Reasoning

Mistral Medium 3.1 Reasoning benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [NYT Connections (extended)](https://noometry.com/benchmarks/nyt-connections) | 6.5% | #91 of 91, top 100% |  | [Lech Mazur benchmarks](https://github.com/lechmazur/nyt-connections) |  |
| [Thematic Generalization](https://noometry.com/benchmarks/thematic-generalization) | 20.3% | #23 of 23, top 100% |  | [Lech Mazur benchmarks](https://github.com/lechmazur/generalization) |  |

### Writing & Preference

Mistral Medium 3.1 Writing & Preference benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [EQ-Bench Creative Writing](https://noometry.com/benchmarks/eqbench-creative-writing) | 1476 | #61 of 115, top 54% |  | [EQ-Bench](https://eqbench.com/creative_writing.html) |  |

## API pricing by provider

Mistral Medium 3.1 API prices
| Route | Input $/M | Output $/M | Cached input $/M | Checked |
| --- | --- | --- | --- | --- |
| [openrouter](https://openrouter.ai/mistralai/mistral-medium-3.1) | $0.40 | $2 | $0.04 | 2026-10-10 |

[All Mistral AI API prices →](https://noometry.com/llm-pricing/mistral) [Estimate your cost →](https://noometry.com/tools/cost-calculator)

## Compare Mistral Medium 3.1

-   [Mistral Medium 3.1 vs Amazon Nova Lite](https://noometry.com/compare/amazon-nova-lite-vs-mistral-medium-3-1)
-   [Mistral Medium 3.1 vs Qwen2.5 72B Instruct](https://noometry.com/compare/mistral-medium-3-1-vs-qwen2-5-72b-instruct)
-   [Mistral Medium 3.1 vs Qwen3-4B](https://noometry.com/compare/mistral-medium-3-1-vs-qwen3-4b)
-   [Mistral Medium 3.1 vs Llama2 70b Steerlm Chat](https://noometry.com/compare/llama2-70b-steerlm-chat-vs-mistral-medium-3-1)
-   [Mistral Medium 3.1 vs Mistral Large](https://noometry.com/compare/mistral-large-vs-mistral-medium-3-1)
-   [Mistral Medium 3.1 vs Mistral Small 3.1](https://noometry.com/compare/mistral-medium-3-1-vs-mistral-small-3-1)
-   [Mistral Medium 3.1 vs GPT-6 Astra](https://noometry.com/compare/gpt-6-astra-vs-mistral-medium-3-1)
-   [Mistral Medium 3.1 vs Claude Fable 5.1](https://noometry.com/compare/claude-fable-5-1-vs-mistral-medium-3-1)
-   [Mistral Medium 3.1 vs Gemini 3.8 Flash](https://noometry.com/compare/gemini-3-8-flash-vs-mistral-medium-3-1)
-   [Mistral Medium 3.1 vs Kimi K3](https://noometry.com/compare/kimi-k3-vs-mistral-medium-3-1)
-   [Mistral Medium 3.1 vs Grok 4.6](https://noometry.com/compare/grok-4-6-vs-mistral-medium-3-1)
-   [Mistral Medium 3.1 vs Qwen3.8 Max](https://noometry.com/compare/mistral-medium-3-1-vs-qwen3-8-max)
-   [Mistral Medium 3.1 vs GLM-5.3](https://noometry.com/compare/glm-5-3-vs-mistral-medium-3-1)
-   [Mistral Medium 3.1 vs Muse Spark 1.3](https://noometry.com/compare/mistral-medium-3-1-vs-muse-spark-1-3)

## Other Mistral AI models

-   [Mistral Large 4](https://noometry.com/models/mistral-large-4)43.1
-   [Mistral Medium 3.5](https://noometry.com/models/mistral-medium-3-5)40.2
-   [Mistral Large 3](https://noometry.com/models/mistral-large-3)39.1
-   [Mistral Medium](https://noometry.com/models/mistral-medium)36.3
-   [Magistral Medium](https://noometry.com/models/magistral-medium)35.2
-   [Devstral Small 2505](https://noometry.com/models/devstral-small)34.3
-   [Mistral Small](https://noometry.com/models/mistral-small)33.4
-   [Pixtral Large](https://noometry.com/models/pixtral-large)32.2

## Frequently asked questions

### How good is Mistral Medium 3.1?

Mistral Medium 3.1 by Mistral AI ranks 266th of 354 ranked models on the Noometry Index as of October 2026, with a score of 31.9. Its strongest category is writing & preference, where it ranks 145th. API pricing starts at $0.40 per million input tokens and $2 per million output tokens, with a 131K-token context window.

### How much does Mistral Medium 3.1 cost?

Mistral Medium 3.1 costs $0.40 per million input tokens and $2 per million output tokens on openrouter, with cached input at $0.04.

### What is Mistral Medium 3.1's context window?

Mistral Medium 3.1 accepts up to 131K tokens of input and can write up to 105K tokens in one response.

### Is Mistral Medium 3.1 open source?

Mistral AI has not published downloadable weights for Mistral Medium 3.1 that we can confirm.

### What are Mistral Medium 3.1's strengths and weaknesses?

Relative to other ranked models, Mistral Medium 3.1 places best in writing & preference and lowest in reasoning.

### What is Mistral Medium 3.1 best at?

Its best category is writing & preference, where it ranks 145th on Noometry.

### Cite this page

Noometry. (2026). Mistral Medium 3.1 benchmarks and pricing. Retrieved October 10, 2026, from https://noometry.com/models/mistral-medium-3-1

Quote Noometry with a link back to this page. It is also available in [Markdown](https://noometry.com/md/models/mistral-medium-3-1.md).
