# Kimi K3 vs Qwen2.5 Plus 1127

> Kimi K3 is the stronger model overall, scoring 59.5 to 38.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/kimi-k3-vs-qwen2-5-plus
- Last updated: 2026-10-10
- Shared benchmarks: 14

## Summary

- They share 14 benchmarks with published results for both. Kimi K3 scores higher in 8 categories and Qwen2.5 Plus 1127 in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Kimi K3 leads 74.0 to 33.5.
- Kimi K3 has downloadable open weights; the other is API-only.

## Snapshot

| | Kimi K3 | Qwen2.5 Plus 1127 |
|---|---|---|
| Provider | Moonshot AI | Alibaba (Qwen) |
| Noometry Index | 59.5 | 38.1 |
| Rank | 12 | 179 |
| Context | 1.05M | — |
| Input $/M | $3 | — |
| Output $/M | $15 | — |
| Weights | Open | Proprietary |

## Coding

- Kimi K3: 60.6 (#8)
- Qwen2.5 Plus 1127: 37.9 (#171)

| Benchmark | Kimi K3 | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Coding | 1509 | 1314 |
| DeepSWE | 68.5% | — |
| FrontierCode | 44.2% | — |
| LMArena WebDev | 1659 | — |
| FrontierSWE | 25.9% | — |
| SciCode | 59.5% | — |
| WeirdML | 82.6% | — |
| ALE-Bench | 1,524 | — |

## Agentic & Tool Use

- Kimi K3: 41.8 (#19)
- Qwen2.5 Plus 1127: —

| Benchmark | Kimi K3 | Qwen2.5 Plus 1127 |
|---|---|---|
| APEX-Agents | 50.6% | — |
| τ²-bench Banking | 37.1% | — |
| PostTrainBench | 32% | — |
| GBAEval | 48.3% | — |
| GDP.pdf | 19% | — |
| Vending-Bench 2 | 5,165 | — |

## Reasoning

- Kimi K3: 63.0 (#15)
- Qwen2.5 Plus 1127: 24.8 (#139)

| Benchmark | Kimi K3 | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Hard Prompts | 1495 | 1299 |
| ARC-AGI-2 | 60.4% | — |
| SimpleBench | 60.7% | — |
| NYT Connections (extended) | 93.6% | — |
| ARC-AGI-1 | 94.5% | — |
| CritPt | 23.4% | — |
| Chess Puzzles | 39% | — |
| Mystery Game Puzzles | 26% | — |
| DTBench | 91.2% | — |
| LMCA | 52.7% | — |
| Surface Evolver Bench | 95% | — |
| Epoch Capabilities Index | 157.68 | — |
| ForecastBench | 61.1 | — |

## Math

- Kimi K3: 74.0 (#13)
- Qwen2.5 Plus 1127: 33.5 (#175)

| Benchmark | Kimi K3 | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Math | 1493 | 1298 |
| FrontierMath (Tiers 1-3) | 72.2% | — |
| FrontierMath Tier 4 | 39% | — |
| MathArena Final-Answer Competitions | 87.8% | — |
| OTIS Mock AIME 2024-2025 | 97.2% | — |
| ProofBench | 87% | — |

## Knowledge

- Kimi K3: 63.2 (#19)
- Qwen2.5 Plus 1127: 34.9 (#179)

| Benchmark | Kimi K3 | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Expert | 1520 | 1289 |
| GPQA Diamond | 93.1% | — |
| SimpleQA Verified | 50.6% | — |

## Multimodal

- Kimi K3: 38.4 (#58)
- Qwen2.5 Plus 1127: —

| Benchmark | Kimi K3 | Qwen2.5 Plus 1127 |
|---|---|---|
| Blueprint-Bench 2 | 29.5% | — |
| Furniture Assembly | 34.2% | — |

## Multilingual

- Kimi K3: 56.5 (#20)
- Qwen2.5 Plus 1127: 42.1 (#196)

| Benchmark | Kimi K3 | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Non-English | 1466 | 1265 |
| LMArena Chinese | 1528 | 1314 |
| LMArena German | 1474 | 1231 |
| LMArena Japanese | 1492 | 1207 |
| LMArena Russian | 1481 | 1271 |
| LMArena French | 1488 | — |
| LMArena Korean | 1465 | — |
| LMArena Spanish | 1478 | — |

## Instruction Following

- Kimi K3: 77.8 (#13)
- Qwen2.5 Plus 1127: 67.4 (#194)

| Benchmark | Kimi K3 | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Instruction Following | 1481 | 1275 |

## Long Context

- Kimi K3: 45.8 (#27)
- Qwen2.5 Plus 1127: 39.2 (#180)

| Benchmark | Kimi K3 | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Longer Query | 1494 | 1292 |

## Writing & Preference

- Kimi K3: 76.7 (#4)
- Qwen2.5 Plus 1127: 49.5 (#186)

| Benchmark | Kimi K3 | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Text | 1476 | 1299 |
| LMArena Creative Writing | 1452 | 1262 |
| LMArena Multi-Turn | 1488 | 1299 |
| EQ-Bench Creative Writing | 2082 | — |
| EQ-Bench 4 | 1339 | — |

## FAQ

### Is Kimi K3 better than Qwen2.5 Plus 1127?

Kimi K3 is the stronger model overall, scoring 59.5 to 38.1 on the Noometry Index.

### Is Kimi K3 or Qwen2.5 Plus 1127 better for coding?

Kimi K3 scores higher on coding benchmarks: 60.6 versus 37.9 in the Noometry coding category.

### How many benchmarks do Kimi K3 and Qwen2.5 Plus 1127 share?

14 benchmarks have published results for both models. Kimi K3 has 53 scored results on Noometry and Qwen2.5 Plus 1127 has 14.