# Kimi K2.7 Code vs Mistral Medium 3.1

> Kimi K2.7 Code is the stronger model overall, scoring 43.3 to 31.9 on the Noometry Index. Mistral Medium 3.1 costs 2.1× less per token, which makes it the better buy when Kimi K2.7 Code's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/kimi-k2-7-code-vs-mistral-medium-3-1
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Kimi K2.7 Code leads 39.0 to 10.6.
- Mistral Medium 3.1 is cheaper at $0.40 / $2 per million input/output tokens, against $0.95 / $4 for Kimi K2.7 Code.
- Kimi K2.7 Code accepts more context: 262K tokens versus 131K.
- Kimi K2.7 Code has downloadable open weights; the other is API-only.

## Snapshot

| | Kimi K2.7 Code | Mistral Medium 3.1 |
|---|---|---|
| Provider | Moonshot AI | Mistral AI |
| Noometry Index | 43.3 | 31.9 |
| Rank | 94 | 266 |
| Context | 262K | 131K |
| Input $/M | $0.95 | $0.40 |
| Output $/M | $4 | $2 |
| Weights | Open | Proprietary |

## Coding

- Kimi K2.7 Code: 42.9 (#95)
- Mistral Medium 3.1: —

| Benchmark | Kimi K2.7 Code | Mistral Medium 3.1 |
|---|---|---|
| DeepSWE | 30.5% | — |
| FrontierCode | 30.1% | — |
| LMArena WebDev | 1473 | — |
| SciCode | 47.5% | — |
| WeirdML | 54.1% | — |
| ALE-Bench | 886.23 | — |

## Agentic & Tool Use

- Kimi K2.7 Code: 24.0 (#122)
- Mistral Medium 3.1: —

| Benchmark | Kimi K2.7 Code | Mistral Medium 3.1 |
|---|---|---|
| APEX-Agents | 37.6% | — |
| GBAEval | 0.9% | — |
| Vending-Bench 2 | 5,083 | — |

## Reasoning

- Kimi K2.7 Code: 39.0 (#61)
- Mistral Medium 3.1: 10.6 (#341)

| Benchmark | Kimi K2.7 Code | Mistral Medium 3.1 |
|---|---|---|
| SimpleBench | 57.9% | — |
| NYT Connections (extended) | — | 6.5% |
| CritPt | 10% | — |
| Chess Puzzles | 21% | — |
| Thematic Generalization | — | 20.3% |
| Surface Evolver Bench | 48.8% | — |
| Epoch Capabilities Index | 149.97 | — |

## Math

- Kimi K2.7 Code: 52.9 (#48)
- Mistral Medium 3.1: —

| Benchmark | Kimi K2.7 Code | Mistral Medium 3.1 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 54% | — |
| FrontierMath Tier 4 | 12.2% | — |
| OTIS Mock AIME 2024-2025 | 95.6% | — |

## Knowledge

- Kimi K2.7 Code: 53.5 (#57)
- Mistral Medium 3.1: —

| Benchmark | Kimi K2.7 Code | Mistral Medium 3.1 |
|---|---|---|
| GPQA Diamond | 87.9% | — |
| SimpleQA Verified | 36.5% | — |

## Writing & Preference

- Kimi K2.7 Code: —
- Mistral Medium 3.1: 55.5 (#145)

| Benchmark | Kimi K2.7 Code | Mistral Medium 3.1 |
|---|---|---|
| EQ-Bench Creative Writing | — | 1476 |

## FAQ

### Is Kimi K2.7 Code better than Mistral Medium 3.1?

Kimi K2.7 Code is the stronger model overall, scoring 43.3 to 31.9 on the Noometry Index. Mistral Medium 3.1 costs 2.1× less per token, which makes it the better buy when Kimi K2.7 Code's lead doesn't matter for your workload.

### Which is cheaper, Kimi K2.7 Code or Mistral Medium 3.1?

Mistral Medium 3.1 is cheaper. It lists at $0.40 per million input tokens and $2 per million output tokens; Kimi K2.7 Code lists at $0.95 and $4.

### Which has the bigger context window?

Kimi K2.7 Code does, with 262K tokens against 131K.

### How many benchmarks do Kimi K2.7 Code and Mistral Medium 3.1 share?

0 benchmarks have published results for both models. Kimi K2.7 Code has 19 scored results on Noometry and Mistral Medium 3.1 has 3.