Noometry

Model comparison

Claude Opus 5.5 vs Qwen3.7 Plus

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 45.3 on the Noometry Index. Qwen3.7 Plus costs 11× less per token, which makes it the better buy when Claude Opus 5.5's lead doesn't matter for your workload.

Last verified . 26 shared benchmarks.

Claude Opus 5.5 Anthropic

68.6

Rank #3 Confirmed

Qwen3.7 Plus Alibaba (Qwen)

45.3

Rank #72 Confirmed

Summary

  • They share 26 benchmarks with published results for both. Claude Opus 5.5 scores higher in 10 categories and Qwen3.7 Plus in 0 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Opus 5.5 leads 91.8 to 50.5.
  • The biggest single-benchmark swing is FrontierMath (Tiers 1-3): 91.2% for Claude Opus 5.5 and 34.4% for Qwen3.7 Plus.
  • Qwen3.7 Plus is cheaper at $0.40 / $1.60 per million input/output tokens, against $4 / $20 for Claude Opus 5.5.

Side by side

Claude Opus 5.5Qwen3.7 Plus
ProviderAnthropicAlibaba (Qwen)
Noometry Index68.645.3
Released2026-09-222026-06-02
WeightsProprietaryProprietary
Context window1M1M
Max output128K131K
Input $ / M tokens$4$0.40
Output $ / M tokens$20$1.60
Results tracked4432

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Category by category

Coding Claude Opus 5.5 leads

Claude Opus 5.5: 71.9 (#3), Qwen3.7 Plus: 36.6 (#206)

BenchmarkClaude Opus 5.5Qwen3.7 Plus
FrontierCode54.6%10.2%
SciCode66.9%45.5%
LMArena Coding15471473
CursorBench57.8%—
LMArena WebDev1813—
FrontierSWE62.3%—
MirrorCode77.4%—
ALE-Bench2,147—

Agentic & Tool Use Claude Opus 5.5 leads

Claude Opus 5.5: 45.3 (#15), Qwen3.7 Plus: 21.4 (#138)

BenchmarkClaude Opus 5.5Qwen3.7 Plus
APEX-Agents73.5%—
OSWorld 2.0—2.8%
GDP.pdf30.6%—
Vending-Bench 29,235—

Reasoning Claude Opus 5.5 leads

Claude Opus 5.5: 80.2 (#3), Qwen3.7 Plus: 39.3 (#59)

BenchmarkClaude Opus 5.5Qwen3.7 Plus
NYT Connections (extended)88.5%74.8%
CritPt31.7%9.1%
LMArena Hard Prompts15351460
Mystery Game Puzzles71%17%
DTBench98.9%84%
LMCA68.2%37.6%
Epoch Capabilities Index167.33147.37
ARC-AGI-293.3%—
ARC-AGI-198.5%—
Chess Puzzles—24%
EBR-Bench71.4%—

Math Claude Opus 5.5 leads

Claude Opus 5.5: 91.8 (#3), Qwen3.7 Plus: 50.5 (#56)

BenchmarkClaude Opus 5.5Qwen3.7 Plus
FrontierMath (Tiers 1-3)91.2%34.4%
OTIS Mock AIME 2024-2025100%93.3%
LMArena Math15061466
FrontierMath Tier 495%—
ProofBench100%—
FrontierMath Erdős2.9%—

Knowledge Claude Opus 5.5 leads

Claude Opus 5.5: 66.4 (#10), Qwen3.7 Plus: 54.9 (#51)

BenchmarkClaude Opus 5.5Qwen3.7 Plus
GPQA Diamond90.6%87.9%
LMArena Expert15471467
SimpleQA Verified72.2%—

Multimodal Claude Opus 5.5 leads

Claude Opus 5.5: 57.8 (#1), Qwen3.7 Plus: 41.8 (#33)

BenchmarkClaude Opus 5.5Qwen3.7 Plus
LMArena Vision13211279
Blueprint-Bench 251.2%—
Furniture Assembly83.3%—
LMArena Document—1444

Multilingual Claude Opus 5.5 leads

Claude Opus 5.5: 59.1 (#2), Qwen3.7 Plus: 54.8 (#38)

BenchmarkClaude Opus 5.5Qwen3.7 Plus
LMArena Non-English15071445
LMArena Chinese15881510
LMArena French15141473
LMArena Russian15201457
LMArena Spanish15071457
LMArena German—1471
LMArena Japanese—1413
LMArena Korean—1415

Instruction Following Claude Opus 5.5 leads

Claude Opus 5.5: 80.0 (#3), Qwen3.7 Plus: 75.8 (#52)

BenchmarkClaude Opus 5.5Qwen3.7 Plus
LMArena Instruction Following15371440

Long Context Claude Opus 5.5 leads

Claude Opus 5.5: 47.1 (#19), Qwen3.7 Plus: 44.5 (#65)

BenchmarkClaude Opus 5.5Qwen3.7 Plus
LMArena Longer Query15321455

Writing & Preference Claude Opus 5.5 leads

Claude Opus 5.5: 78.2 (#3), Qwen3.7 Plus: 64.3 (#56)

BenchmarkClaude Opus 5.5Qwen3.7 Plus
LMArena Text15151455
LMArena Creative Writing15331439
LMArena Multi-Turn14991460
EQ-Bench Creative Writing2050—

Frequently asked questions

Is Claude Opus 5.5 better than Qwen3.7 Plus?

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 45.3 on the Noometry Index. Qwen3.7 Plus costs 11× less per token, which makes it the better buy when Claude Opus 5.5's lead doesn't matter for your workload.

Which is cheaper, Claude Opus 5.5 or Qwen3.7 Plus?

Qwen3.7 Plus is cheaper. It lists at $0.40 per million input tokens and $1.60 per million output tokens; Claude Opus 5.5 lists at $4 and $20.

Is Claude Opus 5.5 or Qwen3.7 Plus better for coding?

Claude Opus 5.5 scores higher on coding benchmarks: 71.9 versus 36.6 in the Noometry coding category.

Which has the bigger context window?

Both accept 1M tokens.

How many benchmarks do Claude Opus 5.5 and Qwen3.7 Plus share?

26 benchmarks have published results for both models. Claude Opus 5.5 has 44 scored results on Noometry and Qwen3.7 Plus has 32.

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