# Claude 3 Sonnet vs Kimi K2.7 Code

> Kimi K2.7 Code is the stronger model overall, scoring 43.0 to 28.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-sonnet-vs-kimi-k2-7-code
- Last updated: 2026-10-10
- Shared benchmarks: 4

## Summary

- They share 4 benchmarks with published results for both. Claude 3 Sonnet scores higher in 0 categories and Kimi K2.7 Code in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in math, where Kimi K2.7 Code leads 52.6 to 10.0.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 2.5% for Claude 3 Sonnet and 95.6% for Kimi K2.7 Code.
- Kimi K2.7 Code has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3 Sonnet | Kimi K2.7 Code |
|---|---|---|
| Provider | Anthropic | Moonshot AI |
| Noometry Index | 28.8 | 43.0 |
| Rank | 311 | 90 |
| Context | — | 262K |
| Input $/M | — | $0.95 |
| Output $/M | — | $4 |
| Weights | Proprietary | Open |

## Coding

- Claude 3 Sonnet: 29.2 (#296)
- Kimi K2.7 Code: 42.4 (#92)

| Benchmark | Claude 3 Sonnet | Kimi K2.7 Code |
|---|---|---|
| WeirdML | 10.2% | 54.1% |
| DeepSWE | — | 30.5% |
| FrontierCode | — | 30.1% |
| LMArena WebDev | — | 1473 |
| SciCode | — | 47.5% |
| BigCodeBench Instruct | 42.7% | — |
| LMArena Coding | 1223 | — |
| BigCodeBench Complete | 53.8% | — |
| ALE-Bench | — | 886.23 |
| HumanEval+ | 64% | — |
| MBPP+ | 69.3% | — |

## Agentic & Tool Use

- Claude 3 Sonnet: —
- Kimi K2.7 Code: 23.9 (#115)

| Benchmark | Claude 3 Sonnet | Kimi K2.7 Code |
|---|---|---|
| APEX-Agents | — | 37.6% |
| GBAEval | — | 0.9% |
| Vending-Bench 2 | — | 5,083 |

## Reasoning

- Claude 3 Sonnet: 19.7 (#232)
- Kimi K2.7 Code: 38.2 (#56)

| Benchmark | Claude 3 Sonnet | Kimi K2.7 Code |
|---|---|---|
| Epoch Capabilities Index | 120.69 | 150.01 |
| SimpleBench | — | 57.9% |
| CritPt | — | 10% |
| Chess Puzzles | — | 21% |
| LMArena Hard Prompts | 1197 | — |
| DTBench | 53.6% | — |
| Surface Evolver Bench | — | 48.8% |
| WinoGrande | 75.1% | — |

## Math

- Claude 3 Sonnet: 10.0 (#305)
- Kimi K2.7 Code: 52.6 (#39)

| Benchmark | Claude 3 Sonnet | Kimi K2.7 Code |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | 95.6% |
| FrontierMath (Tiers 1-3) | — | 54% |
| FrontierMath Tier 4 | — | 12.2% |
| LMArena Math | 1213 | — |
| MATH Level 5 | 18.2% | — |

## Knowledge

- Claude 3 Sonnet: 21.1 (#271)
- Kimi K2.7 Code: 53.6 (#51)

| Benchmark | Claude 3 Sonnet | Kimi K2.7 Code |
|---|---|---|
| GPQA Diamond | 40.6% | 87.9% |
| SimpleQA Verified | — | 36.5% |
| LMArena Expert | 1173 | — |
| MMLU | 75.9% | — |

## Multimodal

- Claude 3 Sonnet: 24.7 (#120)
- Kimi K2.7 Code: —

| Benchmark | Claude 3 Sonnet | Kimi K2.7 Code |
|---|---|---|
| LMArena Vision | 984 | — |

## Multilingual

- Claude 3 Sonnet: 38.0 (#229)
- Kimi K2.7 Code: —

| Benchmark | Claude 3 Sonnet | Kimi K2.7 Code |
|---|---|---|
| LMArena Non-English | 1205 | — |
| LMArena Chinese | 1188 | — |
| LMArena French | 1228 | — |
| LMArena German | 1204 | — |
| LMArena Japanese | 1131 | — |
| LMArena Korean | 1128 | — |
| LMArena Russian | 1227 | — |
| LMArena Spanish | 1204 | — |

## Instruction Following

- Claude 3 Sonnet: 63.1 (#230)
- Kimi K2.7 Code: —

| Benchmark | Claude 3 Sonnet | Kimi K2.7 Code |
|---|---|---|
| LMArena Instruction Following | 1200 | — |

## Long Context

- Claude 3 Sonnet: 36.7 (#223)
- Kimi K2.7 Code: —

| Benchmark | Claude 3 Sonnet | Kimi K2.7 Code |
|---|---|---|
| LMArena Longer Query | 1211 | — |

## Writing & Preference

- Claude 3 Sonnet: 42.3 (#233)
- Kimi K2.7 Code: —

| Benchmark | Claude 3 Sonnet | Kimi K2.7 Code |
|---|---|---|
| LMArena Text | 1218 | — |
| LMArena Creative Writing | 1186 | — |
| LMArena Multi-Turn | 1227 | — |

## FAQ

### Is Claude 3 Sonnet better than Kimi K2.7 Code?

Kimi K2.7 Code is the stronger model overall, scoring 43.0 to 28.8 on the Noometry Index.

### Is Claude 3 Sonnet or Kimi K2.7 Code better for coding?

Kimi K2.7 Code scores higher on coding benchmarks: 42.4 versus 29.2 in the Noometry coding category.

### How many benchmarks do Claude 3 Sonnet and Kimi K2.7 Code share?

4 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and Kimi K2.7 Code has 19.