Noometry

Model comparison

Claude Opus 4 vs Qwen1.5 4b Chat

Claude Opus 4 is the stronger model overall, scoring 42.9 to 28.3 on the Noometry Index.

Last verified . 13 shared benchmarks.

Claude Opus 4 Anthropic

42.9

Rank #93 Confirmed

Qwen1.5 4b Chat Alibaba (Qwen)

28.3

Rank #319 Confirmed

Summary

  • They share 13 benchmarks with published results for both. Claude Opus 4 scores higher in 8 categories and Qwen1.5 4b Chat in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Claude Opus 4 leads 61.4 to 23.9.
  • Qwen1.5 4b Chat has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4Qwen1.5 4b Chat
ProviderAnthropicAlibaba (Qwen)
Noometry Index42.928.3
Released2025-05-22—
WeightsProprietaryOpen
Context window200K—
Max output32K—
Input $ / M tokens$15—
Output $ / M tokens$75—
Results tracked5613

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Category by category

Coding Claude Opus 4 leads

Claude Opus 4: 47.8 (#55), Qwen1.5 4b Chat: 28.6 (#305)

BenchmarkClaude Opus 4Qwen1.5 4b Chat
LMArena Coding1442999
SWE-bench Verified70.7%—
SWE-bench Verified (bash only)67.6%—
Aider Polyglot72%—
GSO6.9%—
WeirdML43.7%—
AlgoTune1.33—

Agentic & Tool Use Not comparable

Claude Opus 4: 34.5 (#39), Qwen1.5 4b Chat: —

BenchmarkClaude Opus 4Qwen1.5 4b Chat
Cybench38%—
DeepResearch Bench46.8%—
LMArena Search1127—
METR Time Horizons63.9%—

Reasoning Claude Opus 4 leads

Claude Opus 4: 27.4 (#104), Qwen1.5 4b Chat: 17.7 (#277)

BenchmarkClaude Opus 4Qwen1.5 4b Chat
LMArena Hard Prompts1399976
ARC-AGI-28.6%—
SimpleBench58.8%—
Kagi LLM Benchmark74.3%—
ARC-AGI-135.7%—
CritPt0.3%—
EnigmaEval5.6%—
DTBench81.6%—
LMCA37.4%—
Epoch Capabilities Index142.67—
ForecastBench61.1—

Math Claude Opus 4 leads

Claude Opus 4: 40.2 (#80), Qwen1.5 4b Chat: 27.9 (#233)

BenchmarkClaude Opus 4Qwen1.5 4b Chat
LMArena Math13911026
OTIS Mock AIME 2024-202564.4%—
Omni-MATH61.6%—
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), Qwen1.5 4b Chat: 26.2 (#252)

BenchmarkClaude Opus 4Qwen1.5 4b Chat
LMArena Expert1384980
GPQA Diamond76.3%—
Humanity's Last Exam10.7%—
MMLU-Pro87.5%—
Confabulations15.9%—
Vectara Hallucination Rate12%—
GPQA (HELM)70.8%—

Multimodal Not comparable

Claude Opus 4: 30.9 (#101), Qwen1.5 4b Chat: —

BenchmarkClaude Opus 4Qwen1.5 4b Chat
LMArena Vision1192—
GeoBench49%—
VPCT38%—

Multilingual Claude Opus 4 leads

Claude Opus 4: 49.0 (#133), Qwen1.5 4b Chat: 24.2 (#285)

BenchmarkClaude Opus 4Qwen1.5 4b Chat
LMArena Non-English1362979
LMArena Chinese13861024
LMArena German1391902
LMArena Russian1392952
LMArena French1370—
LMArena Japanese1332—
LMArena Korean1318—
LMArena Spanish1388—

Instruction Following Claude Opus 4 leads

Claude Opus 4: 77.3 (#26), Qwen1.5 4b Chat: 49.3 (#295)

BenchmarkClaude Opus 4Qwen1.5 4b Chat
LMArena Instruction Following1406979
IFEval91.8%—

Long Context Claude Opus 4 leads

Claude Opus 4: 39.5 (#167), Qwen1.5 4b Chat: 30.1 (#285)

BenchmarkClaude Opus 4Qwen1.5 4b Chat
LMArena Longer Query1422988
Fiction.LiveBench61.1%—

Writing & Preference Claude Opus 4 leads

Claude Opus 4: 61.4 (#85), Qwen1.5 4b Chat: 23.9 (#304)

BenchmarkClaude Opus 4Qwen1.5 4b Chat
LMArena Text1377997
LMArena Creative Writing1386969
LMArena Multi-Turn1396977
Short-Story Creative Writing83.6%—
EQ-Bench Creative Writing1580—
WildBench85.2%—

Frequently asked questions

Is Claude Opus 4 better than Qwen1.5 4b Chat?

Claude Opus 4 is the stronger model overall, scoring 42.9 to 28.3 on the Noometry Index.

Is Claude Opus 4 or Qwen1.5 4b Chat better for coding?

Claude Opus 4 scores higher on coding benchmarks: 47.8 versus 28.6 in the Noometry coding category.

How many benchmarks do Claude Opus 4 and Qwen1.5 4b Chat share?

13 benchmarks have published results for both models. Claude Opus 4 has 56 scored results on Noometry and Qwen1.5 4b Chat has 13.

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