# Llama 2-13B vs Qwen3.5 Plus

> Qwen3.5 Plus is the stronger model overall, scoring 42.3 to 29.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/llama-2-13b-vs-qwen3-5-plus
- Last updated: 2026-10-10
- Shared benchmarks: 3

## Summary

- They share 3 benchmarks with published results for both. Llama 2-13B scores higher in 0 categories and Qwen3.5 Plus in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen3.5 Plus leads 32.0 to 12.3.
- The biggest single-benchmark swing is DTBench: 42.2% for Llama 2-13B and 80.5% for Qwen3.5 Plus.
- Llama 2-13B has downloadable open weights; the other is API-only.

## Snapshot

| | Llama 2-13B | Qwen3.5 Plus |
|---|---|---|
| Provider | Meta | Alibaba (Qwen) |
| Noometry Index | 29.1 | 42.3 |
| Rank | 304 | 103 |
| Context | — | 1M |
| Input $/M | — | $0.40 |
| Output $/M | — | $2.40 |
| Weights | Open | Proprietary |

## Coding

- Llama 2-13B: 30.4 (#287)
- Qwen3.5 Plus: —

| Benchmark | Llama 2-13B | Qwen3.5 Plus |
|---|---|---|
| LMArena Coding | 1062 | — |
| ALE-Bench | — | 621.92 |

## Agentic & Tool Use

- Llama 2-13B: —
- Qwen3.5 Plus: —

| Benchmark | Llama 2-13B | Qwen3.5 Plus |
|---|---|---|
| Vending-Bench 2 | — | 0.54 |

## Reasoning

- Llama 2-13B: 12.3 (#333)
- Qwen3.5 Plus: 32.0 (#67)

| Benchmark | Llama 2-13B | Qwen3.5 Plus |
|---|---|---|
| Chess Puzzles | 0% | 22% |
| DTBench | 42.2% | 80.5% |
| Epoch Capabilities Index | 105.8 | 146.79 |
| LMArena Hard Prompts | 1051 | — |
| Mystery Game Puzzles | — | 17% |
| LMCA | — | 36.4% |
| BIG-Bench Hard | 58.2% | — |
| HellaSwag | 80.7% | — |
| LAMBADA | 76.5% | — |
| PIQA | 80.8% | — |
| WinoGrande | 72.8% | — |

## Math

- Llama 2-13B: 28.7 (#226)
- Qwen3.5 Plus: 47.9 (#55)

| Benchmark | Llama 2-13B | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 86.7% |
| LMArena Math | 1065 | — |
| FrontierMath (Feb 2025 set) | — | 21% |
| FrontierMath Tier 4 (v1) | — | 2.1% |
| GSM8K | 36.9% | — |

## Knowledge

- Llama 2-13B: 27.5 (#244)
- Qwen3.5 Plus: 46.0 (#78)

| Benchmark | Llama 2-13B | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | — | 84.8% |
| SimpleQA Verified | — | 25.4% |
| Vectara Hallucination Rate | — | 10.7% |
| LMArena Expert | 1030 | — |
| ARC (AI2) Challenge | 60.3% | — |
| BoolQ | 82.4% | — |
| MMLU | 55.6% | — |
| OpenBookQA | 57% | — |
| TriviaQA | 79.6% | — |

## Multimodal

- Llama 2-13B: —
- Qwen3.5 Plus: —

| Benchmark | Llama 2-13B | Qwen3.5 Plus |
|---|---|---|
| ScienceQA | 55.8% | — |

## Multilingual

- Llama 2-13B: 26.7 (#274)
- Qwen3.5 Plus: —

| Benchmark | Llama 2-13B | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1024 | — |
| LMArena Chinese | 1001 | — |
| LMArena French | 1043 | — |
| LMArena German | 1009 | — |
| LMArena Japanese | 894 | — |
| LMArena Korean | 953 | — |
| LMArena Russian | 1055 | — |
| LMArena Spanish | 1086 | — |

## Instruction Following

- Llama 2-13B: 53.5 (#282)
- Qwen3.5 Plus: —

| Benchmark | Llama 2-13B | Qwen3.5 Plus |
|---|---|---|
| LMArena Instruction Following | 1046 | — |

## Long Context

- Llama 2-13B: 32.3 (#264)
- Qwen3.5 Plus: 42.9 (#109)

| Benchmark | Llama 2-13B | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1064 | — |

## Writing & Preference

- Llama 2-13B: 30.0 (#284)
- Qwen3.5 Plus: —

| Benchmark | Llama 2-13B | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1085 | — |
| LMArena Creative Writing | 1047 | — |
| LMArena Multi-Turn | 1050 | — |

## FAQ

### Is Llama 2-13B better than Qwen3.5 Plus?

Qwen3.5 Plus is the stronger model overall, scoring 42.3 to 29.1 on the Noometry Index.

### How many benchmarks do Llama 2-13B and Qwen3.5 Plus share?

3 benchmarks have published results for both models. Llama 2-13B has 32 scored results on Noometry and Qwen3.5 Plus has 15.