Noometry

Model comparison

Claude Sonnet 5 vs Qwen1.5-14B

Claude Sonnet 5 is the stronger model overall, scoring 54.5 to 32.1 on the Noometry Index.

Last verified . 16 shared benchmarks.

Claude Sonnet 5 Anthropic

54.5

Rank #26 Confirmed

Qwen1.5-14B Alibaba (Qwen)

32.1

Rank #250 Confirmed

Summary

  • They share 16 benchmarks with published results for both. Claude Sonnet 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 Sonnet 5 leads 66.1 to 29.9.
  • Qwen1.5-14B has downloadable open weights; the other is API-only.

Side by side

Claude Sonnet 5Qwen1.5-14B
ProviderAnthropicAlibaba (Qwen)
Noometry Index54.532.1
Released2026-06-292024-02-04
WeightsProprietaryOpen
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 (#20), Qwen1.5-14B: 32.5 (#259)

BenchmarkClaude Sonnet 5Qwen1.5-14B
LMArena Coding14831138
DeepSWE53.8%—
FrontierCode42.7%—
CursorBench34.1%—
LMArena WebDev1540—
SciCode53.6%—
GSO37.3%—
WeirdML68.8%—
ALE-Bench1,463—

Agentic & Tool Use Not comparable

Claude Sonnet 5: 42.7 (#16), Qwen1.5-14B: —

BenchmarkClaude Sonnet 5Qwen1.5-14B
APEX-Agents54.5%—
GBAEval65.3%—
LMArena Search1194—
Vending-Bench 26,378—

Reasoning Claude Sonnet 5 leads

Claude Sonnet 5: 48.2 (#37), Qwen1.5-14B: 20.5 (#217)

BenchmarkClaude Sonnet 5Qwen1.5-14B
LMArena Hard Prompts14611113
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 Index156.34—
ForecastBench61.1—

Math Claude Sonnet 5 leads

Claude Sonnet 5: 66.1 (#21), Qwen1.5-14B: 29.9 (#214)

BenchmarkClaude Sonnet 5Qwen1.5-14B
LMArena Math14671125
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: 55.7 (#42), Qwen1.5-14B: 29.3 (#230)

BenchmarkClaude Sonnet 5Qwen1.5-14B
LMArena Expert14911094
GPQA Diamond90.5%—
SimpleQA Verified33.7%—
MMLU—68.6%

Multimodal Not comparable

Claude Sonnet 5: 42.4 (#26), Qwen1.5-14B: —

BenchmarkClaude Sonnet 5Qwen1.5-14B
LMArena Vision1275—
Blueprint-Bench 224.9%—
LMArena Document1466—

Multilingual Claude Sonnet 5 leads

Claude Sonnet 5: 54.0 (#55), Qwen1.5-14B: 30.8 (#257)

BenchmarkClaude Sonnet 5Qwen1.5-14B
LMArena Non-English14311095
LMArena Chinese14751147
LMArena French14571115
LMArena German14481043
LMArena Japanese14221019
LMArena Russian14521046
LMArena Spanish14361085
LMArena Korean1411—

Instruction Following Claude Sonnet 5 leads

Claude Sonnet 5: 76.6 (#39), Qwen1.5-14B: 57.1 (#266)

BenchmarkClaude Sonnet 5Qwen1.5-14B
LMArena Instruction Following14531102

Long Context Claude Sonnet 5 leads

Claude Sonnet 5: 44.8 (#53), Qwen1.5-14B: 33.7 (#252)

BenchmarkClaude Sonnet 5Qwen1.5-14B
LMArena Longer Query14641113

Writing & Preference Claude Sonnet 5 leads

Claude Sonnet 5: 69.4 (#24), Qwen1.5-14B: 33.7 (#270)

BenchmarkClaude Sonnet 5Qwen1.5-14B
LMArena Text14431128
LMArena Creative Writing14161091
LMArena Multi-Turn14541110
EQ-Bench Creative Writing1794—
EQ-Bench 41236—

Frequently asked questions

Is Claude Sonnet 5 better than Qwen1.5-14B?

Claude Sonnet 5 is the stronger model overall, scoring 54.5 to 32.1 on the Noometry Index.

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

Claude Sonnet 5 scores higher on coding benchmarks: 55.5 versus 32.5 in the Noometry coding category.

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

16 benchmarks have published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and Qwen1.5-14B has 17.

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