# DeepSeek LLM 67B vs Qwen3.5 Plus

> Qwen3.5 Plus is the stronger model overall, scoring 42.3 to 24.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/deepseek-llm-67b-vs-qwen3-5-plus
- Last updated: 2026-10-10
- Shared benchmarks: 4

## Summary

- They share 4 benchmarks with published results for both. DeepSeek LLM 67B scores higher in 0 categories and Qwen3.5 Plus in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in math, where Qwen3.5 Plus leads 47.9 to 8.1.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 0.8% for DeepSeek LLM 67B and 86.7% for Qwen3.5 Plus.
- DeepSeek LLM 67B has downloadable open weights; the other is API-only.

## Snapshot

| | DeepSeek LLM 67B | Qwen3.5 Plus |
|---|---|---|
| Provider | DeepSeek | Alibaba (Qwen) |
| Noometry Index | 24.8 | 42.3 |
| Rank | 341 | 103 |
| Context | — | 1M |
| Input $/M | — | $0.40 |
| Output $/M | — | $2.40 |
| Weights | Open | Proprietary |

## Coding

- DeepSeek LLM 67B: 31.3 (#273)
- Qwen3.5 Plus: —

| Benchmark | DeepSeek LLM 67B | Qwen3.5 Plus |
|---|---|---|
| LMArena Coding | 1096 | — |
| ALE-Bench | — | 621.92 |

## Agentic & Tool Use

- DeepSeek LLM 67B: —
- Qwen3.5 Plus: —

| Benchmark | DeepSeek LLM 67B | Qwen3.5 Plus |
|---|---|---|
| Vending-Bench 2 | — | 0.54 |

## Reasoning

- DeepSeek LLM 67B: 15.9 (#300)
- Qwen3.5 Plus: 32.0 (#67)

| Benchmark | DeepSeek LLM 67B | Qwen3.5 Plus |
|---|---|---|
| Chess Puzzles | 0% | 22% |
| Epoch Capabilities Index | 110.54 | 146.79 |
| LMArena Hard Prompts | 1070 | — |
| Mystery Game Puzzles | — | 17% |
| DTBench | — | 80.5% |
| LMCA | — | 36.4% |

## Math

- DeepSeek LLM 67B: 8.1 (#318)
- Qwen3.5 Plus: 47.9 (#55)

| Benchmark | DeepSeek LLM 67B | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 0.8% | 86.7% |
| LMArena Math | 1108 | — |
| MATH Level 5 | 6.4% | — |
| FrontierMath (Feb 2025 set) | — | 21% |
| FrontierMath Tier 4 (v1) | — | 2.1% |

## Knowledge

- DeepSeek LLM 67B: 7.1 (#308)
- Qwen3.5 Plus: 46.0 (#78)

| Benchmark | DeepSeek LLM 67B | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | 24.6% | 84.8% |
| SimpleQA Verified | — | 25.4% |
| Vectara Hallucination Rate | — | 10.7% |

## Multilingual

- DeepSeek LLM 67B: 29.5 (#262)
- Qwen3.5 Plus: —

| Benchmark | DeepSeek LLM 67B | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1073 | — |
| LMArena Chinese | 1132 | — |

## Instruction Following

- DeepSeek LLM 67B: 55.7 (#272)
- Qwen3.5 Plus: —

| Benchmark | DeepSeek LLM 67B | Qwen3.5 Plus |
|---|---|---|
| LMArena Instruction Following | 1079 | — |

## Long Context

- DeepSeek LLM 67B: 33.1 (#260)
- Qwen3.5 Plus: 42.9 (#109)

| Benchmark | DeepSeek LLM 67B | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1092 | — |

## Writing & Preference

- DeepSeek LLM 67B: 31.8 (#277)
- Qwen3.5 Plus: —

| Benchmark | DeepSeek LLM 67B | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1105 | — |
| LMArena Creative Writing | 1067 | — |
| LMArena Multi-Turn | 1082 | — |

## FAQ

### Is DeepSeek LLM 67B better than Qwen3.5 Plus?

Qwen3.5 Plus is the stronger model overall, scoring 42.3 to 24.8 on the Noometry Index.

### How many benchmarks do DeepSeek LLM 67B and Qwen3.5 Plus share?

4 benchmarks have published results for both models. DeepSeek LLM 67B has 15 scored results on Noometry and Qwen3.5 Plus has 15.