# Kimi K2.7 Code vs Mistral Small

> Kimi K2.7 Code is the stronger model overall, scoring 43.3 to 33.4 on the Noometry Index. Mistral Small costs 6.5× 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-small
- Last updated: 2026-10-11
- Shared benchmarks: 5

## Summary

- They share 5 benchmarks with published results for both. Kimi K2.7 Code scores higher in 4 categories and Mistral Small in 1 category; 5 gaps are clear of the uncertainty.
- The widest gap is in math, where Kimi K2.7 Code leads 52.9 to 16.4.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 95.6% for Kimi K2.7 Code and 5.8% for Mistral Small.
- Mistral Small is cheaper at $0.15 / $0.60 per million input/output tokens, against $0.95 / $4 for Kimi K2.7 Code.

## Snapshot

| | Kimi K2.7 Code | Mistral Small |
|---|---|---|
| Provider | Moonshot AI | Mistral AI |
| Noometry Index | 43.3 | 33.4 |
| Rank | 94 | 243 |
| Context | 262K | 262K |
| Input $/M | $0.95 | $0.15 |
| Output $/M | $4 | $0.60 |
| Weights | Open | Open |

## Coding

- Kimi K2.7 Code: 42.9 (#95)
- Mistral Small: 34.0 (#247)

| Benchmark | Kimi K2.7 Code | Mistral Small |
|---|---|---|
| SciCode | 47.5% | 26.5% |
| ALE-Bench | 886.23 | 497.62 |
| DeepSWE | 30.5% | — |
| FrontierCode | 30.1% | — |
| LMArena WebDev | 1473 | — |
| WeirdML | 54.1% | — |
| BigCodeBench Instruct | — | 36.1% |
| LiveBench Coding | — | 36.2% |
| LMArena Coding | — | 1362 |
| BigCodeBench Complete | — | 46.6% |

## Agentic & Tool Use

- Kimi K2.7 Code: 24.0 (#122)
- Mistral Small: 28.1 (#93)

| Benchmark | Kimi K2.7 Code | Mistral Small |
|---|---|---|
| APEX-Agents | 37.6% | — |
| Berkeley Function Calling Leaderboard | — | 37.1% |
| GBAEval | 0.9% | — |
| Vending-Bench 2 | 5,083 | — |

## Reasoning

- Kimi K2.7 Code: 39.0 (#61)
- Mistral Small: 19.8 (#250)

| Benchmark | Kimi K2.7 Code | Mistral Small |
|---|---|---|
| CritPt | 10% | 0% |
| SimpleBench | 57.9% | — |
| Kagi LLM Benchmark | — | 37.8% |
| Chess Puzzles | 21% | — |
| LiveBench Reasoning | — | 44.8% |
| LMArena Hard Prompts | — | 1335 |
| DTBench | — | 70.9% |
| LiveBench Data Analysis | — | 53.7% |
| LMCA | — | 20.6% |
| Surface Evolver Bench | 48.8% | — |
| Epoch Capabilities Index | 149.97 | — |
| LiveBench | — | 44% |

## Math

- Kimi K2.7 Code: 52.9 (#48)
- Mistral Small: 16.4 (#293)

| Benchmark | Kimi K2.7 Code | Mistral Small |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 95.6% | 5.8% |
| FrontierMath (Tiers 1-3) | 54% | — |
| FrontierMath Tier 4 | 12.2% | — |
| LiveBench Math | — | 39.9% |
| LMArena Math | — | 1341 |
| MATH Level 5 | — | 46.8% |

## Knowledge

- Kimi K2.7 Code: 53.5 (#57)
- Mistral Small: 31.0 (#222)

| Benchmark | Kimi K2.7 Code | Mistral Small |
|---|---|---|
| GPQA Diamond | 87.9% | 47.5% |
| SimpleQA Verified | 36.5% | — |
| Vectara Hallucination Rate | — | 5.1% |
| LMArena Expert | — | 1291 |
| MMLU | — | 68.7% |

## Multimodal

- Kimi K2.7 Code: —
- Mistral Small: 33.5 (#96)

| Benchmark | Kimi K2.7 Code | Mistral Small |
|---|---|---|
| LMArena Vision | — | 1142 |

## Multilingual

- Kimi K2.7 Code: —
- Mistral Small: 45.5 (#169)

| Benchmark | Kimi K2.7 Code | Mistral Small |
|---|---|---|
| LMArena Non-English | — | 1315 |
| LMArena Chinese | — | 1340 |
| LMArena French | — | 1337 |
| LMArena German | — | 1340 |
| LMArena Japanese | — | 1275 |
| LMArena Korean | — | 1259 |
| LMArena Russian | — | 1324 |
| LMArena Spanish | — | 1346 |

## Instruction Following

- Kimi K2.7 Code: —
- Mistral Small: 66.4 (#209)

| Benchmark | Kimi K2.7 Code | Mistral Small |
|---|---|---|
| LiveBench Instruction Following | — | 63.7% |
| LMArena Instruction Following | — | 1310 |

## Long Context

- Kimi K2.7 Code: —
- Mistral Small: 40.4 (#156)

| Benchmark | Kimi K2.7 Code | Mistral Small |
|---|---|---|
| LMArena Longer Query | — | 1327 |

## Writing & Preference

- Kimi K2.7 Code: —
- Mistral Small: 52.5 (#171)

| Benchmark | Kimi K2.7 Code | Mistral Small |
|---|---|---|
| LMArena Text | — | 1338 |
| LMArena Creative Writing | — | 1305 |
| LMArena Multi-Turn | — | 1344 |
| LiveBench Language | — | 30.5% |

## FAQ

### Is Kimi K2.7 Code better than Mistral Small?

Kimi K2.7 Code is the stronger model overall, scoring 43.3 to 33.4 on the Noometry Index. Mistral Small costs 6.5× 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 Small?

Mistral Small is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; Kimi K2.7 Code lists at $0.95 and $4.

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

Kimi K2.7 Code scores higher on coding benchmarks: 42.9 versus 34.0 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 Small share?

5 benchmarks have published results for both models. Kimi K2.7 Code has 19 scored results on Noometry and Mistral Small has 39.
