# Kimi K2.7 Code vs Mistral Medium 3.5

> Kimi K2.7 Code is the stronger model overall, scoring 43.0 to 39.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/kimi-k2-7-code-vs-mistral-medium-3-5
- Last updated: 2026-10-10
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. Kimi K2.7 Code scores higher in 4 categories and Mistral Medium 3.5 in 0 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Kimi K2.7 Code leads 38.2 to 16.6.
- Kimi K2.7 Code is cheaper at $0.95 / $4 per million input/output tokens, against $1.50 / $7.50 for Mistral Medium 3.5.

## Snapshot

| | Kimi K2.7 Code | Mistral Medium 3.5 |
|---|---|---|
| Provider | Moonshot AI | Mistral AI |
| Noometry Index | 43.0 | 39.6 |
| Rank | 90 | 151 |
| Context | 262K | 262K |
| Input $/M | $0.95 | $1.50 |
| Output $/M | $4 | $7.50 |
| Weights | Open | Open |

## Coding

- Kimi K2.7 Code: 42.4 (#92)
- Mistral Medium 3.5: 35.7 (#208)

| Benchmark | Kimi K2.7 Code | Mistral Medium 3.5 |
|---|---|---|
| LMArena WebDev | 1473 | 1263 |
| DeepSWE | 30.5% | — |
| FrontierCode | 30.1% | — |
| SciCode | 47.5% | — |
| WeirdML | 54.1% | — |
| LMArena Coding | — | 1461 |
| ALE-Bench | 886.23 | — |

## Agentic & Tool Use

- Kimi K2.7 Code: 23.9 (#115)
- Mistral Medium 3.5: —

| Benchmark | Kimi K2.7 Code | Mistral Medium 3.5 |
|---|---|---|
| APEX-Agents | 37.6% | — |
| GBAEval | 0.9% | — |
| Vending-Bench 2 | 5,083 | — |

## Reasoning

- Kimi K2.7 Code: 38.2 (#56)
- Mistral Medium 3.5: 16.6 (#290)

| Benchmark | Kimi K2.7 Code | Mistral Medium 3.5 |
|---|---|---|
| Epoch Capabilities Index | 150.01 | 141.42 |
| SimpleBench | 57.9% | — |
| Kagi LLM Benchmark | — | 41.4% |
| NYT Connections (extended) | — | 12.9% |
| CritPt | 10% | — |
| Chess Puzzles | 21% | — |
| LMArena Hard Prompts | — | 1436 |
| Surface Evolver Bench | 48.8% | — |

## Math

- Kimi K2.7 Code: 52.6 (#39)
- Mistral Medium 3.5: 36.4 (#113)

| Benchmark | Kimi K2.7 Code | Mistral Medium 3.5 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 54% | — |
| FrontierMath Tier 4 | 12.2% | — |
| OTIS Mock AIME 2024-2025 | 95.6% | — |
| LMArena Math | — | 1432 |

## Knowledge

- Kimi K2.7 Code: 53.6 (#51)
- Mistral Medium 3.5: 39.3 (#123)

| Benchmark | Kimi K2.7 Code | Mistral Medium 3.5 |
|---|---|---|
| GPQA Diamond | 87.9% | — |
| SimpleQA Verified | 36.5% | — |
| LMArena Expert | — | 1431 |

## Multimodal

- Kimi K2.7 Code: —
- Mistral Medium 3.5: 37.6 (#64)

| Benchmark | Kimi K2.7 Code | Mistral Medium 3.5 |
|---|---|---|
| LMArena Vision | — | 1222 |

## Multilingual

- Kimi K2.7 Code: —
- Mistral Medium 3.5: 52.1 (#93)

| Benchmark | Kimi K2.7 Code | Mistral Medium 3.5 |
|---|---|---|
| LMArena Non-English | — | 1405 |
| LMArena Chinese | — | 1443 |
| LMArena French | — | 1448 |
| LMArena German | — | 1453 |
| LMArena Korean | — | 1387 |
| LMArena Russian | — | 1396 |
| LMArena Spanish | — | 1406 |

## Instruction Following

- Kimi K2.7 Code: —
- Mistral Medium 3.5: 74.7 (#87)

| Benchmark | Kimi K2.7 Code | Mistral Medium 3.5 |
|---|---|---|
| LMArena Instruction Following | — | 1414 |

## Long Context

- Kimi K2.7 Code: —
- Mistral Medium 3.5: 43.2 (#101)

| Benchmark | Kimi K2.7 Code | Mistral Medium 3.5 |
|---|---|---|
| LMArena Longer Query | — | 1414 |

## Writing & Preference

- Kimi K2.7 Code: —
- Mistral Medium 3.5: 58.6 (#113)

| Benchmark | Kimi K2.7 Code | Mistral Medium 3.5 |
|---|---|---|
| LMArena Text | — | 1421 |
| LMArena Creative Writing | — | 1372 |
| EQ-Bench 4 | — | 993 |
| LMArena Multi-Turn | — | 1423 |

## FAQ

### Is Kimi K2.7 Code better than Mistral Medium 3.5?

Kimi K2.7 Code is the stronger model overall, scoring 43.0 to 39.6 on the Noometry Index.

### Which is cheaper, Kimi K2.7 Code or Mistral Medium 3.5?

Kimi K2.7 Code is cheaper. It lists at $0.95 per million input tokens and $4 per million output tokens; Mistral Medium 3.5 lists at $1.50 and $7.50.

### Is Kimi K2.7 Code or Mistral Medium 3.5 better for coding?

Kimi K2.7 Code scores higher on coding benchmarks: 42.4 versus 35.7 in the Noometry coding category.

### Which has the bigger context window?

Both accept 262K tokens.

### How many benchmarks do Kimi K2.7 Code and Mistral Medium 3.5 share?

2 benchmarks have published results for both models. Kimi K2.7 Code has 19 scored results on Noometry and Mistral Medium 3.5 has 22.