Model comparison

Grok 3 vs Qwen3.5 Plus

Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 39.9 on the Noometry Index.

Last verified . 6 shared benchmarks.

Grok 3 xAI

39.9

Rank #157 Confirmed

Qwen3.5 Plus Alibaba (Qwen)

42.9

Rank #106 Confirmed

Summary

  • They share 6 benchmarks with published results for both. Grok 3 scores higher in 1 category and Qwen3.5 Plus in 3 categories; 3 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Qwen3.5 Plus leads 32.8 to 13.7.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 55.6% for Grok 3 and 86.7% for Qwen3.5 Plus.

Side by side

Grok 3 and Qwen3.5 Plus specifications
Grok 3Qwen3.5 Plus
ProviderxAIAlibaba (Qwen)
Noometry Index39.942.9
Released2025-04-092026-02-16
WeightsProprietaryProprietary
Context window—1M
Max output—66K
Input $ / M tokens—$0.40
Output $ / M tokens—$2.40
Results tracked4015

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Category by category

Coding Not comparable

Grok 3: 41.9 (#115), Qwen3.5 Plus: —

Coding benchmarks
BenchmarkGrok 3Qwen3.5 Plus
Aider Polyglot53.3%—
WeirdML37.2%—
LMArena Coding1432—
ALE-Bench—621.92

Agentic & Tool Use Not comparable

Grok 3: 30.5 (#76), Qwen3.5 Plus: —

Agentic & Tool Use benchmarks
BenchmarkGrok 3Qwen3.5 Plus
BALROG29.5%—
Vending-Bench 2—0.54

Reasoning Qwen3.5 Plus leads

Grok 3: 13.7 (#333), Qwen3.5 Plus: 32.8 (#74)

Reasoning benchmarks
BenchmarkGrok 3Qwen3.5 Plus
Epoch Capabilities Index138.33146.78
ARC-AGI-20%—
SimpleBench36.1%—
Kagi LLM Benchmark61.3%—
ARC-AGI-15.5%—
Chess Puzzles—22%
LMArena Hard Prompts1434—
Mystery Game Puzzles—17%
DTBench—80.5%
LMCA—36.4%

Math Qwen3.5 Plus leads

Grok 3: 38.0 (#145), Qwen3.5 Plus: 49.6 (#61)

Math benchmarks
BenchmarkGrok 3Qwen3.5 Plus
OTIS Mock AIME 2024-202555.6%86.7%
FrontierMath (Feb 2025 set)3.8%21%
FrontierMath Tier 4 (v1)0%2.1%
Omni-MATH46.4%—
LMArena Math1391—
MATH Level 588.7%—

Knowledge Too close to call

Grok 3: 46.2 (#82), Qwen3.5 Plus: 46.0 (#83)

Knowledge benchmarks
BenchmarkGrok 3Qwen3.5 Plus
GPQA Diamond75.8%84.8%
Vectara Hallucination Rate5.8%10.7%
SimpleQA Verified—25.4%
MMLU-Pro78.8%—
Confabulations14.2%—
GPQA (HELM)65%—
LMArena Expert1421—

Multilingual Not comparable

Grok 3: 52.3 (#87), Qwen3.5 Plus: —

Multilingual benchmarks
BenchmarkGrok 3Qwen3.5 Plus
LMArena Non-English1410—
LMArena Chinese1448—
LMArena French1460—
LMArena German1431—
LMArena Japanese1387—
LMArena Korean1373—
LMArena Russian1416—
LMArena Spanish1417—

Instruction Following Not comparable

Grok 3: 75.0 (#73), Qwen3.5 Plus: —

Instruction Following benchmarks
BenchmarkGrok 3Qwen3.5 Plus
IFEval88.4%—
LMArena Instruction Following1409—

Long Context Qwen3.5 Plus leads

Grok 3: 38.7 (#192), Qwen3.5 Plus: 43.0 (#113)

Long Context benchmarks
BenchmarkGrok 3Qwen3.5 Plus
Fiction.LiveBench58.3%—
CL-bench—19.8%
CL-bench Life—12.4%
LMArena Longer Query1439—

Writing & Preference Not comparable

Grok 3: 55.8 (#141), Qwen3.5 Plus: —

Writing & Preference benchmarks
BenchmarkGrok 3Qwen3.5 Plus
LMArena Text1426—
LMArena Creative Writing1414—
Short-Story Creative Writing76.4%—
EQ-Bench Creative Writing1186—
WildBench84.9%—
LMArena Multi-Turn1425—

Frequently asked questions

Is Grok 3 better than Qwen3.5 Plus?

Qwen3.5 Plus is the stronger model overall, scoring 42.9 to 39.9 on the Noometry Index.

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

6 benchmarks have published results for both models. Grok 3 has 40 scored results on Noometry and Qwen3.5 Plus has 15.

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