Noometry

Model comparison

Claude 3 Opus vs Qwen3.5 27B

Qwen3.5 27B is the stronger model overall, scoring 41.9 to 29.5 on the Noometry Index.

Last verified . 21 shared benchmarks.

Claude 3 Opus Anthropic

29.5

Rank #310 Confirmed

Qwen3.5 27B Alibaba (Qwen)

41.9

Rank #127 Confirmed

Summary

  • They share 21 benchmarks with published results for both. Claude 3 Opus scores higher in 0 categories and Qwen3.5 27B in 9 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where Qwen3.5 27B leads 38.8 to 14.8.
  • The biggest single-benchmark swing is DTBench: 61.6% for Claude 3 Opus and 82.4% for Qwen3.5 27B.
  • Qwen3.5 27B has downloadable open weights; the other is API-only.

Side by side

Claude 3 OpusQwen3.5 27B
ProviderAnthropicAlibaba (Qwen)
Noometry Index29.541.9
Released2024-02-292026-02-23
WeightsProprietaryOpen
Context window—262K
Max output—66K
Input $ / M tokens—$0.30
Output $ / M tokens—$2.40
Results tracked4628

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Qwen3.5 27B leads

Claude 3 Opus: 32.9 (#267), Qwen3.5 27B: 38.9 (#168)

BenchmarkClaude 3 OpusQwen3.5 27B
WeirdML19.2%39.5%
LMArena Coding12641427
LMArena WebDev—1358
BigCodeBench Instruct45.5%—
LiveBench Coding38.6%—
BigCodeBench Complete57.4%—
ALE-Bench—349.45
HumanEval+77.4%—
MBPP+73.3%—

Agentic & Tool Use Not comparable

Claude 3 Opus: 24.6 (#116), Qwen3.5 27B: —

BenchmarkClaude 3 OpusQwen3.5 27B
Cybench10%—
METR Time Horizons29.5%—
Vending-Bench 2—201.98

Reasoning Qwen3.5 27B leads

Claude 3 Opus: 14.6 (#324), Qwen3.5 27B: 27.5 (#117)

BenchmarkClaude 3 OpusQwen3.5 27B
LMArena Hard Prompts12451414
DTBench61.6%82.4%
LMCA17%34%
SimpleBench23.5%—
NYT Connections (extended)—47.9%
Chess Puzzles5%—
EnigmaEval0.8%—
Thematic Generalization—45.5%
LiveBench Reasoning40.6%—
LiveBench Data Analysis57.9%—
Epoch Capabilities Index126.91—
ForecastBench58.4—
LiveBench49.2%—
WinoGrande88.5%—

Math Qwen3.5 27B leads

Claude 3 Opus: 14.8 (#299), Qwen3.5 27B: 38.8 (#127)

BenchmarkClaude 3 OpusQwen3.5 27B
LMArena Math12731429
MathArena Final-Answer Competitions—56.7%
OTIS Mock AIME 2024-20254.7%—
LiveBench Math43.6%—
MATH Level 537.5%—

Knowledge Qwen3.5 27B leads

Claude 3 Opus: 24.5 (#267), Qwen3.5 27B: 38.0 (#150)

BenchmarkClaude 3 OpusQwen3.5 27B
LMArena Expert12231428
GPQA Diamond47.2%—
SimpleQA Verified12.6%—
Confabulations22.7%—
Vectara Hallucination Rate—12.1%
MMLU84.6%—

Multimodal Qwen3.5 27B leads

Claude 3 Opus: 27.1 (#116), Qwen3.5 27B: 39.4 (#59)

BenchmarkClaude 3 OpusQwen3.5 27B
LMArena Vision10231241

Multilingual Qwen3.5 27B leads

Claude 3 Opus: 41.4 (#207), Qwen3.5 27B: 50.8 (#115)

BenchmarkClaude 3 OpusQwen3.5 27B
LMArena Non-English12581390
LMArena Chinese12481478
LMArena French12751410
LMArena German12581393
LMArena Japanese12041345
LMArena Korean11871358
LMArena Russian12801390
LMArena Spanish12461407

Instruction Following Qwen3.5 27B leads

Claude 3 Opus: 64.1 (#228), Qwen3.5 27B: 73.5 (#119)

BenchmarkClaude 3 OpusQwen3.5 27B
LMArena Instruction Following12481393
LiveBench Instruction Following63.9%—

Long Context Qwen3.5 27B leads

Claude 3 Opus: 38.2 (#202), Qwen3.5 27B: 43.1 (#106)

BenchmarkClaude 3 OpusQwen3.5 27B
LMArena Longer Query12591413

Writing & Preference Qwen3.5 27B leads

Claude 3 Opus: 47.2 (#213), Qwen3.5 27B: 59.3 (#111)

BenchmarkClaude 3 OpusQwen3.5 27B
LMArena Text12621409
LMArena Creative Writing12351362
LMArena Multi-Turn12751410
LiveBench Language50.4%—

Frequently asked questions

Is Claude 3 Opus better than Qwen3.5 27B?

Qwen3.5 27B is the stronger model overall, scoring 41.9 to 29.5 on the Noometry Index.

Is Claude 3 Opus or Qwen3.5 27B better for coding?

Qwen3.5 27B scores higher on coding benchmarks: 38.9 versus 32.9 in the Noometry coding category.

How many benchmarks do Claude 3 Opus and Qwen3.5 27B share?

21 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Qwen3.5 27B has 28.

Related comparisons

Go deeper