# DeepSeek-V2.5 (Sep 2024) vs Qwen2.5 Plus 1127

> Qwen2.5 Plus 1127 is the stronger model overall, scoring 38.1 to 37.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/deepseek-v2-5-vs-qwen2-5-plus
- Last updated: 2026-10-10
- Shared benchmarks: 14

## Summary

- They share 14 benchmarks with published results for both. DeepSeek-V2.5 (Sep 2024) scores higher in 4 categories and Qwen2.5 Plus 1127 in 4 categories; one gap is clear of the uncertainty.
- The widest gap is in coding, where Qwen2.5 Plus 1127 leads 37.9 to 31.3.
- DeepSeek-V2.5 (Sep 2024) has downloadable open weights; the other is API-only.

## Snapshot

| | DeepSeek-V2.5 (Sep 2024) | Qwen2.5 Plus 1127 |
|---|---|---|
| Provider | DeepSeek | Alibaba (Qwen) |
| Noometry Index | 37.0 | 38.1 |
| Rank | 197 | 179 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Proprietary |

## Coding

- DeepSeek-V2.5 (Sep 2024): 31.3 (#274)
- Qwen2.5 Plus 1127: 37.9 (#171)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Coding | 1310 | 1314 |
| Aider Polyglot | 17.8% | — |
| BigCodeBench Instruct | 48.6% | — |
| BigCodeBench Complete | 53.2% | — |
| HumanEval+ | 83.5% | — |
| MBPP+ | 74.1% | — |

## Reasoning

- DeepSeek-V2.5 (Sep 2024): 24.5 (#145)
- Qwen2.5 Plus 1127: 24.8 (#139)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Hard Prompts | 1289 | 1299 |

## Math

- DeepSeek-V2.5 (Sep 2024): 33.3 (#177)
- Qwen2.5 Plus 1127: 33.5 (#175)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Math | 1289 | 1298 |

## Knowledge

- DeepSeek-V2.5 (Sep 2024): 34.2 (#190)
- Qwen2.5 Plus 1127: 34.9 (#179)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Expert | 1266 | 1289 |

## Multilingual

- DeepSeek-V2.5 (Sep 2024): 42.7 (#188)
- Qwen2.5 Plus 1127: 42.1 (#196)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Non-English | 1273 | 1265 |
| LMArena Chinese | 1317 | 1314 |
| LMArena German | 1258 | 1231 |
| LMArena Japanese | 1228 | 1207 |
| LMArena Russian | 1289 | 1271 |
| LMArena French | 1288 | — |
| LMArena Korean | 1209 | — |
| LMArena Spanish | 1248 | — |

## Instruction Following

- DeepSeek-V2.5 (Sep 2024): 67.7 (#189)
- Qwen2.5 Plus 1127: 67.4 (#194)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Instruction Following | 1280 | 1275 |

## Long Context

- DeepSeek-V2.5 (Sep 2024): 39.5 (#169)
- Qwen2.5 Plus 1127: 39.2 (#180)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Longer Query | 1301 | 1292 |

## Writing & Preference

- DeepSeek-V2.5 (Sep 2024): 50.0 (#182)
- Qwen2.5 Plus 1127: 49.5 (#186)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Text | 1294 | 1299 |
| LMArena Creative Writing | 1285 | 1262 |
| LMArena Multi-Turn | 1297 | 1299 |

## FAQ

### Is DeepSeek-V2.5 (Sep 2024) better than Qwen2.5 Plus 1127?

Qwen2.5 Plus 1127 is the stronger model overall, scoring 38.1 to 37.0 on the Noometry Index.

### Is DeepSeek-V2.5 (Sep 2024) or Qwen2.5 Plus 1127 better for coding?

Qwen2.5 Plus 1127 scores higher on coding benchmarks: 37.9 versus 31.3 in the Noometry coding category.

### How many benchmarks do DeepSeek-V2.5 (Sep 2024) and Qwen2.5 Plus 1127 share?

14 benchmarks have published results for both models. DeepSeek-V2.5 (Sep 2024) has 22 scored results on Noometry and Qwen2.5 Plus 1127 has 14.