Noometry

Model comparison

Grok 3 vs Qwen3.5 27B

Qwen3.5 27B is the stronger model overall, scoring 41.9 to 39.9 on the Noometry Index.

Last verified . 19 shared benchmarks.

Grok 3 xAI

39.9

Rank #157 Confirmed

Qwen3.5 27B Alibaba (Qwen)

41.9

Rank #127 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Grok 3 scores higher in 4 categories and Qwen3.5 27B in 4 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Qwen3.5 27B leads 27.5 to 13.7.
  • The biggest single-benchmark swing is Vectara Hallucination Rate: 5.8% for Grok 3 and 12.1% for Qwen3.5 27B.
  • Qwen3.5 27B has downloadable open weights; the other is API-only.

Side by side

Grok 3Qwen3.5 27B
ProviderxAIAlibaba (Qwen)
Noometry Index39.941.9
Released2025-04-092026-02-23
WeightsProprietaryOpen
Context window—262K
Max output—66K
Input $ / M tokens—$0.30
Output $ / M tokens—$2.40
Results tracked4028

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Category by category

Coding Grok 3 leads

Grok 3: 41.9 (#115), Qwen3.5 27B: 38.9 (#168)

BenchmarkGrok 3Qwen3.5 27B
WeirdML37.2%39.5%
LMArena Coding14321427
Aider Polyglot53.3%—
LMArena WebDev—1358
ALE-Bench—349.45

Agentic & Tool Use Not comparable

Grok 3: 30.5 (#76), Qwen3.5 27B: —

BenchmarkGrok 3Qwen3.5 27B
BALROG29.5%—
Vending-Bench 2—201.98

Reasoning Qwen3.5 27B leads

Grok 3: 13.7 (#333), Qwen3.5 27B: 27.5 (#117)

BenchmarkGrok 3Qwen3.5 27B
LMArena Hard Prompts14341414
ARC-AGI-20%—
SimpleBench36.1%—
Kagi LLM Benchmark61.3%—
NYT Connections (extended)—47.9%
ARC-AGI-15.5%—
Thematic Generalization—45.5%
DTBench—82.4%
LMCA—34%
Epoch Capabilities Index138.33—

Math Too close to call

Grok 3: 38.0 (#145), Qwen3.5 27B: 38.8 (#127)

BenchmarkGrok 3Qwen3.5 27B
LMArena Math13911429
MathArena Final-Answer Competitions—56.7%
OTIS Mock AIME 2024-202555.6%—
Omni-MATH46.4%—
MATH Level 588.7%—
FrontierMath (Feb 2025 set)3.8%—
FrontierMath Tier 4 (v1)0%—

Knowledge Grok 3 leads

Grok 3: 46.2 (#82), Qwen3.5 27B: 38.0 (#150)

BenchmarkGrok 3Qwen3.5 27B
Vectara Hallucination Rate5.8%12.1%
LMArena Expert14211428
GPQA Diamond75.8%—
MMLU-Pro78.8%—
Confabulations14.2%—
GPQA (HELM)65%—

Multimodal Not comparable

Grok 3: —, Qwen3.5 27B: 39.4 (#59)

BenchmarkGrok 3Qwen3.5 27B
LMArena Vision—1241

Multilingual Grok 3 leads

Grok 3: 52.3 (#87), Qwen3.5 27B: 50.8 (#115)

BenchmarkGrok 3Qwen3.5 27B
LMArena Non-English14101390
LMArena Chinese14481478
LMArena French14601410
LMArena German14311393
LMArena Japanese13871345
LMArena Korean13731358
LMArena Russian14161390
LMArena Spanish14171407

Instruction Following Grok 3 leads

Grok 3: 75.0 (#73), Qwen3.5 27B: 73.5 (#119)

BenchmarkGrok 3Qwen3.5 27B
LMArena Instruction Following14091393
IFEval88.4%—

Long Context Qwen3.5 27B leads

Grok 3: 38.7 (#192), Qwen3.5 27B: 43.1 (#106)

BenchmarkGrok 3Qwen3.5 27B
LMArena Longer Query14391413
Fiction.LiveBench58.3%—

Writing & Preference Qwen3.5 27B leads

Grok 3: 55.8 (#141), Qwen3.5 27B: 59.3 (#111)

BenchmarkGrok 3Qwen3.5 27B
LMArena Text14261409
LMArena Creative Writing14141362
LMArena Multi-Turn14251410
Short-Story Creative Writing76.4%—
EQ-Bench Creative Writing1186—
WildBench84.9%—

Frequently asked questions

Is Grok 3 better than Qwen3.5 27B?

Qwen3.5 27B is the stronger model overall, scoring 41.9 to 39.9 on the Noometry Index.

Is Grok 3 or Qwen3.5 27B better for coding?

Grok 3 scores higher on coding benchmarks: 41.9 versus 38.9 in the Noometry coding category.

How many benchmarks do Grok 3 and Qwen3.5 27B share?

19 benchmarks have published results for both models. Grok 3 has 40 scored results on Noometry and Qwen3.5 27B has 28.

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