Model comparison

Claude Opus 5.5 vs Qwen1.5-14B

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 32.7 on the Noometry Index.

Last verified . 14 shared benchmarks.

Claude Opus 5.5 Anthropic

68.6

Rank #3 Confirmed

Qwen1.5-14B Alibaba (Qwen)

32.7

Rank #253 Confirmed

Summary

  • They share 14 benchmarks with published results for both. Claude Opus 5.5 scores higher in 8 categories and Qwen1.5-14B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Opus 5.5 leads 91.8 to 32.4.
  • Qwen1.5-14B has downloadable open weights; the other is API-only.

Side by side

Claude Opus 5.5 and Qwen1.5-14B specifications
Claude Opus 5.5Qwen1.5-14B
ProviderAnthropicAlibaba (Qwen)
Noometry Index68.632.7
Released2026-09-222024-02-04
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$4—
Output $ / M tokens$20—
Results tracked4417

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Category by category

Coding Claude Opus 5.5 leads

Claude Opus 5.5: 71.9 (#3), Qwen1.5-14B: 33.1 (#263)

Coding benchmarks
BenchmarkClaude Opus 5.5Qwen1.5-14B
LMArena Coding15471138
FrontierCode54.6%—
CursorBench57.8%—
LMArena WebDev1813—
FrontierSWE62.3%—
SciCode66.9%—
MirrorCode77.4%—
ALE-Bench2,147—

Agentic & Tool Use Not comparable

Claude Opus 5.5: 45.3 (#15), Qwen1.5-14B: —

Agentic & Tool Use benchmarks
BenchmarkClaude Opus 5.5Qwen1.5-14B
APEX-Agents73.5%—
GDP.pdf30.6%—
Vending-Bench 29,235—

Reasoning Claude Opus 5.5 leads

Claude Opus 5.5: 80.2 (#3), Qwen1.5-14B: 21.4 (#223)

Reasoning benchmarks
BenchmarkClaude Opus 5.5Qwen1.5-14B
LMArena Hard Prompts15351113
ARC-AGI-293.3%—
NYT Connections (extended)88.5%—
ARC-AGI-198.5%—
CritPt31.7%—
EBR-Bench71.4%—
Mystery Game Puzzles71%—
DTBench98.9%—
LMCA68.2%—
Epoch Capabilities Index167.33—

Math Claude Opus 5.5 leads

Claude Opus 5.5: 91.8 (#3), Qwen1.5-14B: 32.4 (#215)

Math benchmarks
BenchmarkClaude Opus 5.5Qwen1.5-14B
LMArena Math15061125
FrontierMath (Tiers 1-3)91.2%—
FrontierMath Tier 495%—
OTIS Mock AIME 2024-2025100%—
ProofBench100%—
FrontierMath Erdős2.9%—

Knowledge Claude Opus 5.5 leads

Claude Opus 5.5: 66.4 (#10), Qwen1.5-14B: 29.8 (#232)

Knowledge benchmarks
BenchmarkClaude Opus 5.5Qwen1.5-14B
LMArena Expert15471094
GPQA Diamond90.6%—
SimpleQA Verified72.2%—
MMLU—68.6%

Multimodal Not comparable

Claude Opus 5.5: 57.8 (#1), Qwen1.5-14B: —

Multimodal benchmarks
BenchmarkClaude Opus 5.5Qwen1.5-14B
LMArena Vision1321—
Blueprint-Bench 251.2%—
Furniture Assembly83.3%—

Multilingual Claude Opus 5.5 leads

Claude Opus 5.5: 59.1 (#2), Qwen1.5-14B: 30.7 (#262)

Multilingual benchmarks
BenchmarkClaude Opus 5.5Qwen1.5-14B
LMArena Non-English15071095
LMArena Chinese15881147
LMArena French15141116
LMArena Russian15201046
LMArena Spanish15071085
LMArena German—1043
LMArena Japanese—1019

Instruction Following Claude Opus 5.5 leads

Claude Opus 5.5: 80.0 (#3), Qwen1.5-14B: 56.8 (#271)

Instruction Following benchmarks
BenchmarkClaude Opus 5.5Qwen1.5-14B
LMArena Instruction Following15371102

Long Context Claude Opus 5.5 leads

Claude Opus 5.5: 47.1 (#19), Qwen1.5-14B: 33.7 (#257)

Long Context benchmarks
BenchmarkClaude Opus 5.5Qwen1.5-14B
LMArena Longer Query15321113

Writing & Preference Claude Opus 5.5 leads

Claude Opus 5.5: 78.2 (#3), Qwen1.5-14B: 33.6 (#276)

Writing & Preference benchmarks
BenchmarkClaude Opus 5.5Qwen1.5-14B
LMArena Text15151128
LMArena Creative Writing15331091
LMArena Multi-Turn14991110
EQ-Bench Creative Writing2050—

Frequently asked questions

Is Claude Opus 5.5 better than Qwen1.5-14B?

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 32.7 on the Noometry Index.

Is Claude Opus 5.5 or Qwen1.5-14B better for coding?

Claude Opus 5.5 scores higher on coding benchmarks: 71.9 versus 33.1 in the Noometry coding category.

How many benchmarks do Claude Opus 5.5 and Qwen1.5-14B share?

14 benchmarks have published results for both models. Claude Opus 5.5 has 44 scored results on Noometry and Qwen1.5-14B has 17.

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