Noometry

Model comparison

Claude Sonnet 5.5 vs Qwen3.8 Max

Claude Sonnet 5.5 is the stronger model overall, scoring 61.9 to 56.8 on the Noometry Index.

Last verified . 28 shared benchmarks.

Claude Sonnet 5.5 Anthropic

61.9

Rank #10 Confirmed

Qwen3.8 Max Alibaba (Qwen)

56.8

Rank #22 Confirmed

Summary

  • They share 28 benchmarks with published results for both. Claude Sonnet 5.5 scores higher in 6 categories and Qwen3.8 Max in 4 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Sonnet 5.5 leads 87.9 to 73.2.
  • The biggest single-benchmark swing is Furniture Assembly: 75% for Claude Sonnet 5.5 and 20% for Qwen3.8 Max.
  • Qwen3.8 Max is cheaper at $2 / $6 per million input/output tokens, against $2 / $10 for Claude Sonnet 5.5.

Side by side

Claude Sonnet 5.5Qwen3.8 Max
ProviderAnthropicAlibaba (Qwen)
Noometry Index61.956.8
Released2026-09-282026-08-02
WeightsProprietaryProprietary
Context window1M1M
Max output128K131K
Input $ / M tokens$2$2
Output $ / M tokens$10$6
Results tracked3239

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Category by category

Coding Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 67.3 (#6), Qwen3.8 Max: 53.5 (#29)

BenchmarkClaude Sonnet 5.5Qwen3.8 Max
LMArena WebDev17741674
FrontierSWE61.9%17.8%
SciCode61%53.2%
LMArena Coding15131502
DeepSWE—57.5%
FrontierCode52.1%—
CursorBench55.5%—
ALE-Bench1,819—

Agentic & Tool Use Too close to call

Claude Sonnet 5.5: 45.0 (#16), Qwen3.8 Max: 45.4 (#14)

BenchmarkClaude Sonnet 5.5Qwen3.8 Max
APEX-Agents75.5%63.3%
τ²-bench Banking—55.1%
GDP.pdf—23.2%

Reasoning Too close to call

Claude Sonnet 5.5: 54.0 (#28), Qwen3.8 Max: 54.4 (#26)

BenchmarkClaude Sonnet 5.5Qwen3.8 Max
NYT Connections (extended)80.5%88.3%
CritPt31.4%20%
LMArena Hard Prompts14951496
Mystery Game Puzzles65%38%
Epoch Capabilities Index165.03156.41
Chess Puzzles—40%
DTBench—92%
LMCA—46.2%

Math Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 87.9 (#6), Qwen3.8 Max: 73.2 (#20)

BenchmarkClaude Sonnet 5.5Qwen3.8 Max
FrontierMath (Tiers 1-3)88.8%74.7%
FrontierMath Tier 480.5%46.3%
OTIS Mock AIME 2024-2025100%100%
ProofBench100%58%
LMArena Math15101499
FrontierMath Erdős2.9%—

Knowledge Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 66.0 (#12), Qwen3.8 Max: 61.7 (#27)

BenchmarkClaude Sonnet 5.5Qwen3.8 Max
GPQA Diamond95.6%92.7%
SimpleQA Verified46.5%47.3%
LMArena Expert15401507

Multimodal Claude Sonnet 5.5 leads

Claude Sonnet 5.5: 51.5 (#6), Qwen3.8 Max: 37.2 (#75)

BenchmarkClaude Sonnet 5.5Qwen3.8 Max
LMArena Vision12891314
Furniture Assembly75%20%

Multilingual Qwen3.8 Max leads

Claude Sonnet 5.5: 55.3 (#30), Qwen3.8 Max: 56.7 (#18)

BenchmarkClaude Sonnet 5.5Qwen3.8 Max
LMArena Non-English14521472
LMArena Chinese15221538
LMArena Russian14511481
LMArena French—1503
LMArena German—1483
LMArena Japanese—1467
LMArena Korean—1461
LMArena Spanish—1492

Instruction Following Too close to call

Claude Sonnet 5.5: 78.3 (#11), Qwen3.8 Max: 77.6 (#17)

BenchmarkClaude Sonnet 5.5Qwen3.8 Max
LMArena Instruction Following14951479

Long Context Too close to call

Claude Sonnet 5.5: 45.9 (#28), Qwen3.8 Max: 45.6 (#31)

BenchmarkClaude Sonnet 5.5Qwen3.8 Max
LMArena Longer Query14981489

Writing & Preference Qwen3.8 Max leads

Claude Sonnet 5.5: 66.0 (#40), Qwen3.8 Max: 67.1 (#30)

BenchmarkClaude Sonnet 5.5Qwen3.8 Max
LMArena Text14711483
LMArena Creative Writing14651479
LMArena Multi-Turn14741489

Frequently asked questions

Is Claude Sonnet 5.5 better than Qwen3.8 Max?

Claude Sonnet 5.5 is the stronger model overall, scoring 61.9 to 56.8 on the Noometry Index.

Which is cheaper, Claude Sonnet 5.5 or Qwen3.8 Max?

Qwen3.8 Max is cheaper. It lists at $2 per million input tokens and $6 per million output tokens; Claude Sonnet 5.5 lists at $2 and $10.

Is Claude Sonnet 5.5 or Qwen3.8 Max better for coding?

Claude Sonnet 5.5 scores higher on coding benchmarks: 67.3 versus 53.5 in the Noometry coding category.

Which has the bigger context window?

Both accept 1M tokens.

How many benchmarks do Claude Sonnet 5.5 and Qwen3.8 Max share?

28 benchmarks have published results for both models. Claude Sonnet 5.5 has 32 scored results on Noometry and Qwen3.8 Max has 39.

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