Noometry

Model comparison

Grok-2 (Dec 2024) vs Qwen3.5-Flash

Qwen3.5-Flash is the stronger model overall, scoring 42.5 to 33.7 on the Noometry Index.

Last verified . 22 shared benchmarks.

Grok-2 (Dec 2024) xAI

33.7

Rank #239 Confirmed

Qwen3.5-Flash Alibaba (Qwen)

42.5

Rank #112 Confirmed

Summary

  • They share 22 benchmarks with published results for both. Grok-2 (Dec 2024) scores higher in 0 categories and Qwen3.5-Flash in 8 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Qwen3.5-Flash leads 33.7 to 16.9.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 11.5% for Grok-2 (Dec 2024) and 84.4% for Qwen3.5-Flash.

Side by side

Grok-2 (Dec 2024)Qwen3.5-Flash
ProviderxAIAlibaba (Qwen)
Noometry Index33.742.5
Released2024-08-132026-02-23
WeightsProprietaryProprietary
Context window—1M
Max output—66K
Input $ / M tokens—$0.10
Output $ / M tokens—$0.40
Results tracked3432

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Too close to call

Grok-2 (Dec 2024): 33.3 (#258), Qwen3.5-Flash: 34.2 (#242)

BenchmarkGrok-2 (Dec 2024)Qwen3.5-Flash
LMArena Coding12871412
LMArena WebDev—1244
WeirdML22.2%—
LiveBench Coding46.4%—
ALE-Bench—221.8

Agentic & Tool Use Not comparable

Grok-2 (Dec 2024): —, Qwen3.5-Flash: —

BenchmarkGrok-2 (Dec 2024)Qwen3.5-Flash
Vending-Bench 2—462.69

Reasoning Qwen3.5-Flash leads

Grok-2 (Dec 2024): 16.9 (#299), Qwen3.5-Flash: 33.7 (#72)

BenchmarkGrok-2 (Dec 2024)Qwen3.5-Flash
LMArena Hard Prompts12721403
DTBench65.2%82.9%
Epoch Capabilities Index130.48143.98
SimpleBench22.7%—
Chess Puzzles—21%
LiveBench Reasoning54.8%—
Mystery Game Puzzles—20%
LiveBench Data Analysis54.5%—
LMCA—29.1%
LiveBench54.3%—

Math Qwen3.5-Flash leads

Grok-2 (Dec 2024): 20.8 (#284), Qwen3.5-Flash: 37.4 (#158)

BenchmarkGrok-2 (Dec 2024)Qwen3.5-Flash
OTIS Mock AIME 2024-202511.5%84.4%
LMArena Math12831407
FrontierMath (Feb 2025 set)0.7%6.2%
FrontierMath (Tiers 1-3)—18.2%
LiveBench Math54.9%—
MATH Level 563.5%—
FrontierMath Tier 4 (v1)—0%

Knowledge Qwen3.5-Flash leads

Grok-2 (Dec 2024): 29.8 (#233), Qwen3.5-Flash: 43.2 (#93)

BenchmarkGrok-2 (Dec 2024)Qwen3.5-Flash
GPQA Diamond53.8%82.3%
LMArena Expert12541407
SimpleQA Verified—20.3%
Confabulations20.1%—
Vectara Hallucination Rate—10.5%

Multilingual Qwen3.5-Flash leads

Grok-2 (Dec 2024): 43.1 (#188), Qwen3.5-Flash: 50.5 (#121)

BenchmarkGrok-2 (Dec 2024)Qwen3.5-Flash
LMArena Non-English12821385
LMArena Chinese12891446
LMArena French13181412
LMArena German12871390
LMArena Japanese12441368
LMArena Korean12371344
LMArena Russian12861379
LMArena Spanish12811400

Instruction Following Qwen3.5-Flash leads

Grok-2 (Dec 2024): 66.9 (#202), Qwen3.5-Flash: 72.6 (#139)

BenchmarkGrok-2 (Dec 2024)Qwen3.5-Flash
LMArena Instruction Following12701374
LiveBench Instruction Following69.6%—

Long Context Qwen3.5-Flash leads

Grok-2 (Dec 2024): 38.8 (#190), Qwen3.5-Flash: 42.4 (#124)

BenchmarkGrok-2 (Dec 2024)Qwen3.5-Flash
LMArena Longer Query12761392

Writing & Preference Qwen3.5-Flash leads

Grok-2 (Dec 2024): 48.6 (#198), Qwen3.5-Flash: 57.9 (#122)

BenchmarkGrok-2 (Dec 2024)Qwen3.5-Flash
LMArena Text13051397
LMArena Creative Writing12841343
LMArena Multi-Turn12901393
Short-Story Creative Writing63.6%—
LiveBench Language45.6%—

Frequently asked questions

Is Grok-2 (Dec 2024) better than Qwen3.5-Flash?

Qwen3.5-Flash is the stronger model overall, scoring 42.5 to 33.7 on the Noometry Index.

Is Grok-2 (Dec 2024) or Qwen3.5-Flash better for coding?

They score almost the same on coding (33.3 vs 34.2); test both on your own repository before choosing.

How many benchmarks do Grok-2 (Dec 2024) and Qwen3.5-Flash share?

22 benchmarks have published results for both models. Grok-2 (Dec 2024) has 34 scored results on Noometry and Qwen3.5-Flash has 32.

Related comparisons

Go deeper