Noometry

Model comparison

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.

Last verified . 14 shared benchmarks.

Claude Sonnet 5.5 Anthropic

61.9

Rank #10 Confirmed

Qwen2-72B Alibaba (Qwen)

30.0

Rank #300 Confirmed

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.

Side by side

Claude Sonnet 5.5Qwen2-72B
ProviderAnthropicAlibaba (Qwen)
Noometry Index61.930.0
Released2026-09-282024-06-07
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$2—
Output $ / M tokens$10—
Results tracked3226

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Category by category

Coding Claude Sonnet 5.5 leads

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

BenchmarkClaude Sonnet 5.5Qwen2-72B
LMArena Coding15131196
FrontierCode52.1%—
CursorBench55.5%—
LMArena WebDev1774—
FrontierSWE61.9%—
SciCode61%—
WeirdML—11.3%
BigCodeBench Instruct—38.5%
BigCodeBench Complete—54%
ALE-Bench1,819—

Agentic & Tool Use Claude Sonnet 5.5 leads

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

BenchmarkClaude Sonnet 5.5Qwen2-72B
APEX-Agents75.5%—
TheAgentCompany—1.1%
METR Time Horizons—29.9%

Reasoning Claude Sonnet 5.5 leads

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

BenchmarkClaude Sonnet 5.5Qwen2-72B
LMArena Hard Prompts14951191
Epoch Capabilities Index165.03125.28
NYT Connections (extended)80.5%—
CritPt31.4%—
Mystery Game Puzzles65%—

Math Claude Sonnet 5.5 leads

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

BenchmarkClaude Sonnet 5.5Qwen2-72B
LMArena Math15101235
FrontierMath (Tiers 1-3)88.8%—
FrontierMath Tier 480.5%—
OTIS Mock AIME 2024-2025100%—
ProofBench100%—
MATH Level 5—39.1%
FrontierMath Erdős2.9%—

Knowledge Claude Sonnet 5.5 leads

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

BenchmarkClaude Sonnet 5.5Qwen2-72B
GPQA Diamond95.6%40.8%
LMArena Expert15401171
SimpleQA Verified46.5%—
MMLU—82.4%

Multimodal Not comparable

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

BenchmarkClaude Sonnet 5.5Qwen2-72B
LMArena Vision1289—
Furniture Assembly75%—

Multilingual Claude Sonnet 5.5 leads

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

BenchmarkClaude Sonnet 5.5Qwen2-72B
LMArena Non-English14521176
LMArena Chinese15221240
LMArena Russian14511169
LMArena French—1170
LMArena German—1151
LMArena Japanese—1111
LMArena Korean—1083
LMArena Spanish—1169

Instruction Following Claude Sonnet 5.5 leads

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

BenchmarkClaude Sonnet 5.5Qwen2-72B
LMArena Instruction Following14951181

Long Context Claude Sonnet 5.5 leads

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

BenchmarkClaude Sonnet 5.5Qwen2-72B
LMArena Longer Query14981192

Writing & Preference Claude Sonnet 5.5 leads

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

BenchmarkClaude Sonnet 5.5Qwen2-72B
LMArena Text14711203
LMArena Creative Writing14651181
LMArena Multi-Turn14741196

Frequently asked questions

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.

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