Model comparison

Claude Opus 5 vs Qwen2-72B

Claude Opus 5 is the stronger model overall, scoring 67.8 to 30.0 on the Noometry Index.

Last verified . 20 shared benchmarks.

Claude Opus 5 Anthropic

67.8

Rank #4 Confirmed

Qwen2-72B Alibaba (Qwen)

30.0

Rank #300 Confirmed

Summary

  • They share 20 benchmarks with published results for both. Claude Opus 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 Opus 5 leads 86.2 to 30.2.
  • The biggest single-benchmark swing is WeirdML: 91.8% for Claude Opus 5 and 11.3% for Qwen2-72B.
  • Qwen2-72B has downloadable open weights; the other is API-only.

Side by side

Claude Opus 5 and Qwen2-72B specifications
Claude Opus 5Qwen2-72B
ProviderAnthropicAlibaba (Qwen)
Noometry Index67.830.0
Released2026-07-242024-06-07
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$5—
Output $ / M tokens$25—
Results tracked5726

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Category by category

Coding Claude Opus 5 leads

Claude Opus 5: 67.5 (#5), Qwen2-72B: 29.1 (#310)

Coding benchmarks
BenchmarkClaude Opus 5Qwen2-72B
WeirdML91.8%11.3%
LMArena Coding15341196
DeepSWE73.6%—
FrontierCode53.4%—
CursorBench46.6%—
LMArena WebDev1691—
FrontierSWE52%—
SciCode56.4%—
BigCodeBench Instruct—38.5%
BigCodeBench Complete—54%
ALE-Bench2,165—

Agentic & Tool Use Claude Opus 5 leads

Claude Opus 5: 55.6 (#1), Qwen2-72B: 17.0 (#146)

Agentic & Tool Use benchmarks
BenchmarkClaude Opus 5Qwen2-72B
APEX-Agents65.8%—
OSWorld 2.031.4%—
TheAgentCompany—1.1%
τ²-bench Banking48.7%—
PostTrainBench35%—
BALROG63.4%—
GBAEval79.6%—
GDP.pdf24%—
METR Time Horizons—29.9%
Vending-Bench 211,182—

Reasoning Claude Opus 5 leads

Claude Opus 5: 77.2 (#4), Qwen2-72B: 23.2 (#181)

Reasoning benchmarks
BenchmarkClaude Opus 5Qwen2-72B
LMArena Hard Prompts15261191
Epoch Capabilities Index162.78125.28
ARC-AGI-290.4%—
SimpleBench80.6%—
NYT Connections (extended)94.3%—
ARC-AGI-197.5%—
CritPt29.1%—
Chess Puzzles42%—
EBR-Bench45.7%—
Mystery Game Puzzles59%—
DTBench97.9%—
LMCA64.5%—
Bench to the Future 30.12—

Math Claude Opus 5 leads

Claude Opus 5: 86.2 (#8), Qwen2-72B: 30.2 (#236)

Math benchmarks
BenchmarkClaude Opus 5Qwen2-72B
LMArena Math15311235
FrontierMath (Tiers 1-3)85.6%—
FrontierMath Tier 473.2%—
OTIS Mock AIME 2024-202598.9%—
ProofBench99%—
MATH Level 5—39.1%

Knowledge Claude Opus 5 leads

Claude Opus 5: 66.8 (#9), Qwen2-72B: 21.2 (#275)

Knowledge benchmarks
BenchmarkClaude Opus 5Qwen2-72B
GPQA Diamond93.9%40.8%
LMArena Expert15571171
SimpleQA Verified59.9%—
MMLU—82.4%

Multimodal Not comparable

Claude Opus 5: 50.8 (#8), Qwen2-72B: —

Multimodal benchmarks
BenchmarkClaude Opus 5Qwen2-72B
LMArena Vision1319—
Blueprint-Bench 230.4%—
Furniture Assembly60.8%—
LMArena Document1516—

Multilingual Claude Opus 5 leads

Claude Opus 5: 58.8 (#4), Qwen2-72B: 35.9 (#244)

Multilingual benchmarks
BenchmarkClaude Opus 5Qwen2-72B
LMArena Non-English15011176
LMArena Chinese15741240
LMArena French15191170
LMArena German15241151
LMArena Japanese15161111
LMArena Korean15211083
LMArena Russian15071169
LMArena Spanish15191169

Instruction Following Claude Opus 5 leads

Claude Opus 5: 79.2 (#7), Qwen2-72B: 61.7 (#241)

Instruction Following benchmarks
BenchmarkClaude Opus 5Qwen2-72B
LMArena Instruction Following15171181

Long Context Claude Opus 5 leads

Claude Opus 5: 46.5 (#21), Qwen2-72B: 36.1 (#235)

Long Context benchmarks
BenchmarkClaude Opus 5Qwen2-72B
LMArena Longer Query15151192

Writing & Preference Claude Opus 5 leads

Claude Opus 5: 79.2 (#1), Qwen2-72B: 40.8 (#241)

Writing & Preference benchmarks
BenchmarkClaude Opus 5Qwen2-72B
LMArena Text15071203
LMArena Creative Writing14911181
LMArena Multi-Turn14991196
EQ-Bench Creative Writing2133—
EQ-Bench 41385—

Frequently asked questions

Is Claude Opus 5 better than Qwen2-72B?

Claude Opus 5 is the stronger model overall, scoring 67.8 to 30.0 on the Noometry Index.

Is Claude Opus 5 or Qwen2-72B better for coding?

Claude Opus 5 scores higher on coding benchmarks: 67.5 versus 29.1 in the Noometry coding category.

How many benchmarks do Claude Opus 5 and Qwen2-72B share?

20 benchmarks have published results for both models. Claude Opus 5 has 57 scored results on Noometry and Qwen2-72B has 26.

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