Noometry

Model comparison

Grok 4 Fast vs Qwen3.6 35B-A3B

Grok 4 Fast is the stronger model overall, scoring 39.4 to 37.6 on the Noometry Index.

Last verified . 3 shared benchmarks.

Grok 4 Fast xAI

39.4

Rank #167 Confirmed

Qwen3.6 35B-A3B Alibaba (Qwen)

37.6

Rank #201 Confirmed

Summary

  • They share 3 benchmarks with published results for both. Grok 4 Fast scores higher in 1 category and Qwen3.6 35B-A3B in 4 categories; 4 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Qwen3.6 35B-A3B leads 51.3 to 32.0.
  • The biggest single-benchmark swing is DTBench: 82.7% for Grok 4 Fast and 73.9% for Qwen3.6 35B-A3B.
  • Qwen3.6 35B-A3B has downloadable open weights; the other is API-only.

Side by side

Grok 4 FastQwen3.6 35B-A3B
ProviderxAIAlibaba (Qwen)
Noometry Index39.437.6
Released2025-09-192026-04-01
WeightsProprietaryOpen
Context window—262K
Max output—66K
Input $ / M tokens—$0.25
Output $ / M tokens—$1.49
Results tracked3014

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Category by category

Coding Qwen3.6 35B-A3B leads

Grok 4 Fast: 32.5 (#271), Qwen3.6 35B-A3B: 37.2 (#196)

BenchmarkGrok 4 FastQwen3.6 35B-A3B
WeirdML42.9%34.5%
LMArena WebDev1159—
SciCode—35.8%
LMArena Coding1429—

Agentic & Tool Use Grok 4 Fast leads

Grok 4 Fast: 29.5 (#86), Qwen3.6 35B-A3B: 22.1 (#134)

BenchmarkGrok 4 FastQwen3.6 35B-A3B
Terminal-Bench—23%
τ²-bench Banking15.7%—
Cybench30%—
LMArena Search1171—

Reasoning Qwen3.6 35B-A3B leads

Grok 4 Fast: 22.2 (#201), Qwen3.6 35B-A3B: 28.0 (#109)

BenchmarkGrok 4 FastQwen3.6 35B-A3B
DTBench82.7%73.9%
Epoch Capabilities Index144.2143.93
ARC-AGI-25.3%—
Kagi LLM Benchmark66.1%—
NYT Connections (extended)—41.6%
ARC-AGI-148.5%—
CritPt—0.3%
Chess Puzzles—26%
LMArena Hard Prompts1412—
Mystery Game Puzzles—22%
LMCA—29.7%
Surface Evolver Bench—44.4%
ForecastBench60.5—

Math Too close to call

Grok 4 Fast: 38.9 (#123), Qwen3.6 35B-A3B: 38.9 (#121)

BenchmarkGrok 4 FastQwen3.6 35B-A3B
FrontierMath (Tiers 1-3)—20.4%
OTIS Mock AIME 2024-2025—86.7%
LMArena Math1419—

Knowledge Qwen3.6 35B-A3B leads

Grok 4 Fast: 32.0 (#214), Qwen3.6 35B-A3B: 51.3 (#68)

BenchmarkGrok 4 FastQwen3.6 35B-A3B
GPQA Diamond—84.8%
Vectara Hallucination Rate19.7%—
LMArena Expert1411—

Multilingual Not comparable

Grok 4 Fast: 51.3 (#111), Qwen3.6 35B-A3B: —

BenchmarkGrok 4 FastQwen3.6 35B-A3B
LMArena Non-English1396—
LMArena Chinese1457—
LMArena French1431—
LMArena German1383—
LMArena Japanese1352—
LMArena Korean1357—
LMArena Russian1389—
LMArena Spanish1415—

Instruction Following Not comparable

Grok 4 Fast: 73.2 (#121), Qwen3.6 35B-A3B: —

BenchmarkGrok 4 FastQwen3.6 35B-A3B
LMArena Instruction Following1387—

Long Context Not comparable

Grok 4 Fast: 63.2 (#3), Qwen3.6 35B-A3B: —

BenchmarkGrok 4 FastQwen3.6 35B-A3B
Fiction.LiveBench94.4%—
LMArena Longer Query1415—

Writing & Preference Not comparable

Grok 4 Fast: 60.0 (#102), Qwen3.6 35B-A3B: —

BenchmarkGrok 4 FastQwen3.6 35B-A3B
LMArena Text1407—
LMArena Creative Writing1387—
LMArena Multi-Turn1414—

Frequently asked questions

Is Grok 4 Fast better than Qwen3.6 35B-A3B?

Grok 4 Fast is the stronger model overall, scoring 39.4 to 37.6 on the Noometry Index.

Is Grok 4 Fast or Qwen3.6 35B-A3B better for coding?

Qwen3.6 35B-A3B scores higher on coding benchmarks: 37.2 versus 32.5 in the Noometry coding category.

How many benchmarks do Grok 4 Fast and Qwen3.6 35B-A3B share?

3 benchmarks have published results for both models. Grok 4 Fast has 30 scored results on Noometry and Qwen3.6 35B-A3B has 14.

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