Noometry

Model comparison

Claude Opus 5.5 vs Qwen3.5 Max Preview

Claude Opus 5.5 is the stronger model overall, scoring 68.5 to 44.7 on the Noometry Index.

Last verified . 11 shared benchmarks.

Claude Opus 5.5 Anthropic

68.5

Rank #3 Confirmed

Qwen3.5 Max Preview Alibaba (Qwen)

44.7

Rank #72 Confirmed

Summary

  • They share 11 benchmarks with published results for both. Claude Opus 5.5 scores higher in 8 categories and Qwen3.5 Max Preview in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Opus 5.5 leads 92.4 to 37.3.

Side by side

Claude Opus 5.5Qwen3.5 Max Preview
ProviderAnthropicAlibaba (Qwen)
Noometry Index68.544.7
Released2026-09-22—
WeightsProprietaryProprietary
Context window1M—
Max output128K—
Input $ / M tokens$4—
Output $ / M tokens$20—
Results tracked3517

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Category by category

Coding Claude Opus 5.5 leads

Claude Opus 5.5: 71.4 (#1), Qwen3.5 Max Preview: 43.4 (#79)

BenchmarkClaude Opus 5.5Qwen3.5 Max Preview
LMArena Coding15451488
FrontierCode54.4%—
CursorBench57.8%—
LMArena WebDev1820—
FrontierSWE62.3%—
SciCode66.9%—
MirrorCode77.4%—

Agentic & Tool Use Not comparable

Claude Opus 5.5: 45.3 (#13), Qwen3.5 Max Preview: —

BenchmarkClaude Opus 5.5Qwen3.5 Max Preview
APEX-Agents73.5%—
GDP.pdf30.6%—

Reasoning Claude Opus 5.5 leads

Claude Opus 5.5: 79.5 (#2), Qwen3.5 Max Preview: 29.6 (#81)

BenchmarkClaude Opus 5.5Qwen3.5 Max Preview
LMArena Hard Prompts15451483
ARC-AGI-292.5%—
NYT Connections (extended)88.5%—
ARC-AGI-197.5%—
CritPt31.7%—
EBR-Bench71.4%—
Mystery Game Puzzles71%—
DTBench98.9%—
LMCA68.2%—

Math Claude Opus 5.5 leads

Claude Opus 5.5: 92.4 (#2), Qwen3.5 Max Preview: 37.3 (#99)

BenchmarkClaude Opus 5.5Qwen3.5 Max Preview
FrontierMath (Tiers 1-3)91.2%—
FrontierMath Tier 495%—
OTIS Mock AIME 2024-2025100%—
ProofBench100%—
LMArena Math—1473

Knowledge Claude Opus 5.5 leads

Claude Opus 5.5: 66.6 (#9), Qwen3.5 Max Preview: 41.1 (#104)

BenchmarkClaude Opus 5.5Qwen3.5 Max Preview
LMArena Expert15641489
GPQA Diamond90.6%—
SimpleQA Verified72.2%—

Multimodal Not comparable

Claude Opus 5.5: 56.5 (#2), Qwen3.5 Max Preview: —

BenchmarkClaude Opus 5.5Qwen3.5 Max Preview
Furniture Assembly83.3%—

Multilingual Claude Opus 5.5 leads

Claude Opus 5.5: 59.8 (#1), Qwen3.5 Max Preview: 56.4 (#21)

BenchmarkClaude Opus 5.5Qwen3.5 Max Preview
LMArena Non-English15131465
LMArena Chinese15721534
LMArena Russian15321472
LMArena French—1483
LMArena German—1487
LMArena Japanese—1497
LMArena Korean—1438
LMArena Spanish—1470

Instruction Following Claude Opus 5.5 leads

Claude Opus 5.5: 80.1 (#2), Qwen3.5 Max Preview: 77.2 (#28)

BenchmarkClaude Opus 5.5Qwen3.5 Max Preview
LMArena Instruction Following15351467

Long Context Claude Opus 5.5 leads

Claude Opus 5.5: 47.3 (#18), Qwen3.5 Max Preview: 45.2 (#44)

BenchmarkClaude Opus 5.5Qwen3.5 Max Preview
LMArena Longer Query15401477

Writing & Preference Claude Opus 5.5 leads

Claude Opus 5.5: 78.7 (#3), Qwen3.5 Max Preview: 66.1 (#39)

BenchmarkClaude Opus 5.5Qwen3.5 Max Preview
LMArena Text15181471
LMArena Creative Writing15381464
LMArena Multi-Turn15201478
EQ-Bench Creative Writing2050—

Frequently asked questions

Is Claude Opus 5.5 better than Qwen3.5 Max Preview?

Claude Opus 5.5 is the stronger model overall, scoring 68.5 to 44.7 on the Noometry Index.

Is Claude Opus 5.5 or Qwen3.5 Max Preview better for coding?

Claude Opus 5.5 scores higher on coding benchmarks: 71.4 versus 43.4 in the Noometry coding category.

How many benchmarks do Claude Opus 5.5 and Qwen3.5 Max Preview share?

11 benchmarks have published results for both models. Claude Opus 5.5 has 35 scored results on Noometry and Qwen3.5 Max Preview has 17.

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