Noometry

Model comparison

Claude Sonnet 5 vs Qwen3.5 Max Preview

Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 45.3 on the Noometry Index.

Last verified . 17 shared benchmarks.

Claude Sonnet 5 Anthropic

54.6

Rank #29 Confirmed

Qwen3.5 Max Preview Alibaba (Qwen)

45.3

Rank #71 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Claude Sonnet 5 scores higher in 5 categories and Qwen3.5 Max Preview in 3 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Sonnet 5 leads 66.2 to 40.1.

Side by side

Claude Sonnet 5Qwen3.5 Max Preview
ProviderAnthropicAlibaba (Qwen)
Noometry Index54.645.3
Released2026-06-29—
WeightsProprietaryProprietary
Context window1M—
Max output128K—
Input $ / M tokens$2—
Output $ / M tokens$10—
Results tracked5117

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Category by category

Coding Claude Sonnet 5 leads

Claude Sonnet 5: 55.5 (#26), Qwen3.5 Max Preview: 44.0 (#77)

BenchmarkClaude Sonnet 5Qwen3.5 Max Preview
LMArena Coding14831487
DeepSWE53.8%—
FrontierCode42.7%—
CursorBench34.1%—
LMArena WebDev1541—
SciCode54.3%—
GSO37.3%—
WeirdML68.8%—
ALE-Bench1,463—

Agentic & Tool Use Not comparable

Claude Sonnet 5: 42.8 (#18), Qwen3.5 Max Preview: —

BenchmarkClaude Sonnet 5Qwen3.5 Max Preview
APEX-Agents54.5%—
GBAEval65.3%—
LMArena Search1194—
Vending-Bench 26,378—

Reasoning Claude Sonnet 5 leads

Claude Sonnet 5: 49.1 (#39), Qwen3.5 Max Preview: 30.8 (#84)

BenchmarkClaude Sonnet 5Qwen3.5 Max Preview
LMArena Hard Prompts14611483
SimpleBench60.6%—
NYT Connections (extended)75.1%—
CritPt16.9%—
Chess Puzzles35%—
Mystery Game Puzzles35%—
DTBench92.5%—
LMCA50%—
Surface Evolver Bench60%—
Bench to the Future 30.14—
Epoch Capabilities Index156.21—
ForecastBench61.1—

Math Claude Sonnet 5 leads

Claude Sonnet 5: 66.2 (#27), Qwen3.5 Max Preview: 40.1 (#94)

BenchmarkClaude Sonnet 5Qwen3.5 Max Preview
LMArena Math14671474
FrontierMath (Tiers 1-3)65.6%—
FrontierMath Tier 429.3%—
OTIS Mock AIME 2024-202594.7%—
ProofBench77%—

Knowledge Claude Sonnet 5 leads

Claude Sonnet 5: 55.6 (#47), Qwen3.5 Max Preview: 41.8 (#107)

BenchmarkClaude Sonnet 5Qwen3.5 Max Preview
LMArena Expert14901489
GPQA Diamond90.5%—
SimpleQA Verified33.7%—

Multimodal Not comparable

Claude Sonnet 5: 42.4 (#31), Qwen3.5 Max Preview: —

BenchmarkClaude Sonnet 5Qwen3.5 Max Preview
LMArena Vision1274—
Blueprint-Bench 224.9%—
LMArena Document1466—

Multilingual Qwen3.5 Max Preview leads

Claude Sonnet 5: 53.8 (#55), Qwen3.5 Max Preview: 56.2 (#22)

BenchmarkClaude Sonnet 5Qwen3.5 Max Preview
LMArena Non-English14311465
LMArena Chinese14771534
LMArena French14601484
LMArena German14401487
LMArena Japanese14221495
LMArena Korean14111438
LMArena Russian14511471
LMArena Spanish14371470

Instruction Following Too close to call

Claude Sonnet 5: 76.3 (#41), Qwen3.5 Max Preview: 77.0 (#31)

BenchmarkClaude Sonnet 5Qwen3.5 Max Preview
LMArena Instruction Following14521467

Long Context Too close to call

Claude Sonnet 5: 44.8 (#55), Qwen3.5 Max Preview: 45.2 (#45)

BenchmarkClaude Sonnet 5Qwen3.5 Max Preview
LMArena Longer Query14631476

Writing & Preference Claude Sonnet 5 leads

Claude Sonnet 5: 69.2 (#25), Qwen3.5 Max Preview: 66.0 (#41)

BenchmarkClaude Sonnet 5Qwen3.5 Max Preview
LMArena Text14421470
LMArena Creative Writing14161464
LMArena Multi-Turn14541478
EQ-Bench Creative Writing1794—
EQ-Bench 41236—

Frequently asked questions

Is Claude Sonnet 5 better than Qwen3.5 Max Preview?

Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 45.3 on the Noometry Index.

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

Claude Sonnet 5 scores higher on coding benchmarks: 55.5 versus 44.0 in the Noometry coding category.

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

17 benchmarks have published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and Qwen3.5 Max Preview has 17.

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