Noometry

Model comparison

Claude Opus 4 vs Qwen3-4B

Claude Opus 4 is the stronger model overall, scoring 42.9 to 31.5 on the Noometry Index.

Last verified . 3 shared benchmarks.

Claude Opus 4 Anthropic

42.9

Rank #93 Confirmed

Qwen3-4B Alibaba (Qwen)

31.5

Rank #261 Confirmed

Summary

  • They share 3 benchmarks with published results for both. Claude Opus 4 scores higher in 4 categories and Qwen3-4B in 0 categories; 4 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Opus 4 leads 40.2 to 28.5.
  • The biggest single-benchmark swing is GPQA Diamond: 76.3% for Claude Opus 4 and 52.3% for Qwen3-4B.
  • Qwen3-4B has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4Qwen3-4B
ProviderAnthropicAlibaba (Qwen)
Noometry Index42.931.5
Released2025-05-222025-04-29
WeightsProprietaryOpen
Context window200K—
Max output32K—
Input $ / M tokens$15—
Output $ / M tokens$75—
Results tracked566

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Category by category

Coding Not comparable

Claude Opus 4: 47.8 (#55), Qwen3-4B: —

BenchmarkClaude Opus 4Qwen3-4B
SWE-bench Verified70.7%—
SWE-bench Verified (bash only)67.6%—
Aider Polyglot72%—
GSO6.9%—
WeirdML43.7%—
LMArena Coding1442—
AlgoTune1.33—

Agentic & Tool Use Claude Opus 4 leads

Claude Opus 4: 34.5 (#39), Qwen3-4B: 27.3 (#94)

BenchmarkClaude Opus 4Qwen3-4B
Berkeley Function Calling Leaderboard—35.7%
Cybench38%—
DeepResearch Bench46.8%—
LMArena Search1127—
METR Time Horizons63.9%—

Reasoning Claude Opus 4 leads

Claude Opus 4: 27.4 (#104), Qwen3-4B: 18.5 (#264)

BenchmarkClaude Opus 4Qwen3-4B
ARC-AGI-28.6%—
SimpleBench58.8%—
Kagi LLM Benchmark74.3%—
ARC-AGI-135.7%—
CritPt0.3%—
Chess Puzzles—4%
EnigmaEval5.6%—
LMArena Hard Prompts1399—
DTBench81.6%—
LMCA37.4%—
Epoch Capabilities Index142.67—
ForecastBench61.1—

Math Claude Opus 4 leads

Claude Opus 4: 40.2 (#80), Qwen3-4B: 28.5 (#228)

BenchmarkClaude Opus 4Qwen3-4B
OTIS Mock AIME 2024-202564.4%52.2%
MathArena Final-Answer Competitions—38.5%
Omni-MATH61.6%—
LMArena Math1391—
MATH Level 585%—
FrontierMath (Feb 2025 set)4.5%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Claude Opus 4 leads

Claude Opus 4: 43.9 (#82), Qwen3-4B: 33.0 (#198)

BenchmarkClaude Opus 4Qwen3-4B
GPQA Diamond76.3%52.3%
Vectara Hallucination Rate12%5.7%
Humanity's Last Exam10.7%—
MMLU-Pro87.5%—
Confabulations15.9%—
GPQA (HELM)70.8%—
LMArena Expert1384—

Multimodal Not comparable

Claude Opus 4: 30.9 (#101), Qwen3-4B: —

BenchmarkClaude Opus 4Qwen3-4B
LMArena Vision1192—
GeoBench49%—
VPCT38%—

Multilingual Not comparable

Claude Opus 4: 49.0 (#133), Qwen3-4B: —

BenchmarkClaude Opus 4Qwen3-4B
LMArena Non-English1362—
LMArena Chinese1386—
LMArena French1370—
LMArena German1391—
LMArena Japanese1332—
LMArena Korean1318—
LMArena Russian1392—
LMArena Spanish1388—

Instruction Following Not comparable

Claude Opus 4: 77.3 (#26), Qwen3-4B: —

BenchmarkClaude Opus 4Qwen3-4B
IFEval91.8%—
LMArena Instruction Following1406—

Long Context Not comparable

Claude Opus 4: 39.5 (#167), Qwen3-4B: —

BenchmarkClaude Opus 4Qwen3-4B
Fiction.LiveBench61.1%—
LMArena Longer Query1422—

Writing & Preference Not comparable

Claude Opus 4: 61.4 (#85), Qwen3-4B: —

BenchmarkClaude Opus 4Qwen3-4B
LMArena Text1377—
LMArena Creative Writing1386—
Short-Story Creative Writing83.6%—
EQ-Bench Creative Writing1580—
WildBench85.2%—
LMArena Multi-Turn1396—

Frequently asked questions

Is Claude Opus 4 better than Qwen3-4B?

Claude Opus 4 is the stronger model overall, scoring 42.9 to 31.5 on the Noometry Index.

How many benchmarks do Claude Opus 4 and Qwen3-4B share?

3 benchmarks have published results for both models. Claude Opus 4 has 56 scored results on Noometry and Qwen3-4B has 6.

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