# Claude Sonnet 5.5 vs Qwen2-72B

> Claude Sonnet 5.5 is the stronger model overall, scoring 61.9 to 30.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-sonnet-5-5-vs-qwen2-72b
- Last updated: 2026-10-10
- Shared benchmarks: 14

## Summary

- They share 14 benchmarks with published results for both. Claude Sonnet 5.5 scores higher in 9 categories and Qwen2-72B in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Sonnet 5.5 leads 87.9 to 30.2.
- The biggest single-benchmark swing is GPQA Diamond: 95.6% for Claude Sonnet 5.5 and 40.8% for Qwen2-72B.
- Qwen2-72B has downloadable open weights; the other is API-only.

## Snapshot

| | Claude Sonnet 5.5 | Qwen2-72B |
|---|---|---|
| Provider | Anthropic | Alibaba (Qwen) |
| Noometry Index | 61.9 | 30.0 |
| Rank | 10 | 300 |
| Context | 1M | — |
| Input $/M | $2 | — |
| Output $/M | $10 | — |
| Weights | Proprietary | Open |

## Coding

- Claude Sonnet 5.5: 67.3 (#6)
- Qwen2-72B: 29.1 (#310)

| Benchmark | Claude Sonnet 5.5 | Qwen2-72B |
|---|---|---|
| LMArena Coding | 1513 | 1196 |
| FrontierCode | 52.1% | — |
| CursorBench | 55.5% | — |
| LMArena WebDev | 1774 | — |
| FrontierSWE | 61.9% | — |
| SciCode | 61% | — |
| WeirdML | — | 11.3% |
| BigCodeBench Instruct | — | 38.5% |
| BigCodeBench Complete | — | 54% |
| ALE-Bench | 1,819 | — |

## Agentic & Tool Use

- Claude Sonnet 5.5: 45.0 (#16)
- Qwen2-72B: 17.0 (#146)

| Benchmark | Claude Sonnet 5.5 | Qwen2-72B |
|---|---|---|
| APEX-Agents | 75.5% | — |
| TheAgentCompany | — | 1.1% |
| METR Time Horizons | — | 29.9% |

## Reasoning

- Claude Sonnet 5.5: 54.0 (#28)
- Qwen2-72B: 23.2 (#181)

| Benchmark | Claude Sonnet 5.5 | Qwen2-72B |
|---|---|---|
| LMArena Hard Prompts | 1495 | 1191 |
| Epoch Capabilities Index | 165.03 | 125.28 |
| NYT Connections (extended) | 80.5% | — |
| CritPt | 31.4% | — |
| Mystery Game Puzzles | 65% | — |

## Math

- Claude Sonnet 5.5: 87.9 (#6)
- Qwen2-72B: 30.2 (#236)

| Benchmark | Claude Sonnet 5.5 | Qwen2-72B |
|---|---|---|
| LMArena Math | 1510 | 1235 |
| FrontierMath (Tiers 1-3) | 88.8% | — |
| FrontierMath Tier 4 | 80.5% | — |
| OTIS Mock AIME 2024-2025 | 100% | — |
| ProofBench | 100% | — |
| MATH Level 5 | — | 39.1% |
| FrontierMath Erdős | 2.9% | — |

## Knowledge

- Claude Sonnet 5.5: 66.0 (#12)
- Qwen2-72B: 21.2 (#275)

| Benchmark | Claude Sonnet 5.5 | Qwen2-72B |
|---|---|---|
| GPQA Diamond | 95.6% | 40.8% |
| LMArena Expert | 1540 | 1171 |
| SimpleQA Verified | 46.5% | — |
| MMLU | — | 82.4% |

## Multimodal

- Claude Sonnet 5.5: 51.5 (#6)
- Qwen2-72B: —

| Benchmark | Claude Sonnet 5.5 | Qwen2-72B |
|---|---|---|
| LMArena Vision | 1289 | — |
| Furniture Assembly | 75% | — |

## Multilingual

- Claude Sonnet 5.5: 55.3 (#30)
- Qwen2-72B: 35.9 (#244)

| Benchmark | Claude Sonnet 5.5 | Qwen2-72B |
|---|---|---|
| LMArena Non-English | 1452 | 1176 |
| LMArena Chinese | 1522 | 1240 |
| LMArena Russian | 1451 | 1169 |
| LMArena French | — | 1170 |
| LMArena German | — | 1151 |
| LMArena Japanese | — | 1111 |
| LMArena Korean | — | 1083 |
| LMArena Spanish | — | 1169 |

## Instruction Following

- Claude Sonnet 5.5: 78.3 (#11)
- Qwen2-72B: 61.7 (#241)

| Benchmark | Claude Sonnet 5.5 | Qwen2-72B |
|---|---|---|
| LMArena Instruction Following | 1495 | 1181 |

## Long Context

- Claude Sonnet 5.5: 45.9 (#28)
- Qwen2-72B: 36.1 (#235)

| Benchmark | Claude Sonnet 5.5 | Qwen2-72B |
|---|---|---|
| LMArena Longer Query | 1498 | 1192 |

## Writing & Preference

- Claude Sonnet 5.5: 66.0 (#40)
- Qwen2-72B: 40.8 (#241)

| Benchmark | Claude Sonnet 5.5 | Qwen2-72B |
|---|---|---|
| LMArena Text | 1471 | 1203 |
| LMArena Creative Writing | 1465 | 1181 |
| LMArena Multi-Turn | 1474 | 1196 |

## FAQ

### Is Claude Sonnet 5.5 better than Qwen2-72B?

Claude Sonnet 5.5 is the stronger model overall, scoring 61.9 to 30.0 on the Noometry Index.

### Is Claude Sonnet 5.5 or Qwen2-72B better for coding?

Claude Sonnet 5.5 scores higher on coding benchmarks: 67.3 versus 29.1 in the Noometry coding category.

### How many benchmarks do Claude Sonnet 5.5 and Qwen2-72B share?

14 benchmarks have published results for both models. Claude Sonnet 5.5 has 32 scored results on Noometry and Qwen2-72B has 26.