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

> DeepSeek-V2.5 (Sep 2024) and Qwen Plus score almost the same on the Noometry Index (37.6 vs 37.1), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/deepseek-v2-5-vs-qwen-plus
- Last updated: 2026-10-10
- Shared benchmarks: 13

## Summary

- They share 13 benchmarks with published results for both. DeepSeek-V2.5 (Sep 2024) scores higher in 2 categories and Qwen Plus in 6 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where DeepSeek-V2.5 (Sep 2024) leads 35.9 to 23.3.
- DeepSeek-V2.5 (Sep 2024) has downloadable open weights; the other is API-only.

## Snapshot

| | DeepSeek-V2.5 (Sep 2024) | Qwen Plus |
|---|---|---|
| Provider | DeepSeek | Alibaba (Qwen) |
| Noometry Index | 37.6 | 37.1 |
| Rank | 200 | 210 |
| Context | — | 1M |
| Input $/M | — | $0.40 |
| Output $/M | — | $1.20 |
| Weights | Open | Proprietary |

## Coding

- DeepSeek-V2.5 (Sep 2024): 31.7 (#281)
- Qwen Plus: 38.9 (#167)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Qwen Plus |
|---|---|---|
| LMArena Coding | 1309 | 1328 |
| Aider Polyglot | 17.8% | — |
| BigCodeBench Instruct | 48.6% | — |
| BigCodeBench Complete | 53.2% | — |
| HumanEval+ | 83.5% | — |
| MBPP+ | 74.1% | — |

## Reasoning

- DeepSeek-V2.5 (Sep 2024): 25.6 (#145)
- Qwen Plus: 28.4 (#107)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Qwen Plus |
|---|---|---|
| LMArena Hard Prompts | 1289 | 1317 |
| Kagi LLM Benchmark | — | 63.3% |
| DTBench | — | 81.1% |
| LMCA | — | 24% |

## Math

- DeepSeek-V2.5 (Sep 2024): 35.9 (#177)
- Qwen Plus: 23.3 (#271)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Qwen Plus |
|---|---|---|
| LMArena Math | 1288 | 1326 |
| OTIS Mock AIME 2024-2025 | — | 17.8% |
| MATH Level 5 | — | 65.3% |
| FrontierMath (Feb 2025 set) | — | 1.7% |

## Knowledge

- DeepSeek-V2.5 (Sep 2024): 34.8 (#193)
- Qwen Plus: 27.4 (#251)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Qwen Plus |
|---|---|---|
| LMArena Expert | 1266 | 1328 |
| GPQA Diamond | — | 48.1% |

## Multilingual

- DeepSeek-V2.5 (Sep 2024): 42.5 (#193)
- Qwen Plus: 45.1 (#175)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Qwen Plus |
|---|---|---|
| LMArena Non-English | 1273 | 1310 |
| LMArena Chinese | 1318 | 1347 |
| LMArena Japanese | 1228 | 1251 |
| LMArena Russian | 1289 | 1323 |
| LMArena French | 1289 | — |
| LMArena German | 1258 | — |
| LMArena Korean | 1209 | — |
| LMArena Spanish | 1248 | — |

## Instruction Following

- DeepSeek-V2.5 (Sep 2024): 67.5 (#194)
- Qwen Plus: 68.8 (#181)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Qwen Plus |
|---|---|---|
| LMArena Instruction Following | 1280 | 1303 |

## Long Context

- DeepSeek-V2.5 (Sep 2024): 39.5 (#174)
- Qwen Plus: 40.3 (#158)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Qwen Plus |
|---|---|---|
| LMArena Longer Query | 1301 | 1324 |

## Writing & Preference

- DeepSeek-V2.5 (Sep 2024): 49.8 (#187)
- Qwen Plus: 52.2 (#176)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Qwen Plus |
|---|---|---|
| LMArena Text | 1294 | 1326 |
| LMArena Creative Writing | 1285 | 1293 |
| LMArena Multi-Turn | 1297 | 1336 |

## FAQ

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

DeepSeek-V2.5 (Sep 2024) and Qwen Plus score almost the same on the Noometry Index (37.6 vs 37.1), so choose on price, context window or the category you care about most.

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

Qwen Plus scores higher on coding benchmarks: 38.9 versus 31.7 in the Noometry coding category.

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

13 benchmarks have published results for both models. DeepSeek-V2.5 (Sep 2024) has 22 scored results on Noometry and Qwen Plus has 20.