Noometry

Model comparison

Grok 4 Fast vs Qwen3-Coder 480B-A35B Instruct

Grok 4 Fast is the stronger model overall, scoring 39.4 to 38.1 on the Noometry Index.

Last verified . 20 shared benchmarks.

Grok 4 Fast xAI

39.4

Rank #167 Confirmed

Qwen3-Coder 480B-A35B Instruct Alibaba (Qwen)

38.1

Rank #190 Confirmed

Summary

  • They share 20 benchmarks with published results for both. Grok 4 Fast scores higher in 6 categories and Qwen3-Coder 480B-A35B Instruct in 3 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in long context, where Grok 4 Fast leads 63.2 to 42.0.
  • The biggest single-benchmark swing is Kagi LLM Benchmark: 66.1% for Grok 4 Fast and 49.5% for Qwen3-Coder 480B-A35B Instruct.
  • Qwen3-Coder 480B-A35B Instruct has downloadable open weights; the other is API-only.

Side by side

Grok 4 FastQwen3-Coder 480B-A35B Instruct
ProviderxAIAlibaba (Qwen)
Noometry Index39.438.1
Released2025-09-192025-04
WeightsProprietaryOpen
Context window—262K
Max output—66K
Input $ / M tokens—$1.50
Output $ / M tokens—$7.50
Results tracked3025

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Category by category

Coding Qwen3-Coder 480B-A35B Instruct leads

Grok 4 Fast: 32.5 (#271), Qwen3-Coder 480B-A35B Instruct: 35.5 (#223)

BenchmarkGrok 4 FastQwen3-Coder 480B-A35B Instruct
LMArena WebDev11591275
WeirdML42.9%41.2%
LMArena Coding14291412
SWE-bench Verified (bash only)—55.4%
GSO—4.9%
ALE-Bench—461.45
AlgoTune—1.44

Agentic & Tool Use Grok 4 Fast leads

Grok 4 Fast: 29.5 (#86), Qwen3-Coder 480B-A35B Instruct: 23.9 (#123)

BenchmarkGrok 4 FastQwen3-Coder 480B-A35B Instruct
Terminal-Bench—27.2%
τ²-bench Banking15.7%—
Cybench30%—
LMArena Search1171—

Reasoning Qwen3-Coder 480B-A35B Instruct leads

Grok 4 Fast: 22.2 (#201), Qwen3-Coder 480B-A35B Instruct: 25.5 (#149)

BenchmarkGrok 4 FastQwen3-Coder 480B-A35B Instruct
Kagi LLM Benchmark66.1%49.5%
LMArena Hard Prompts14121372
ARC-AGI-25.3%—
ARC-AGI-148.5%—
DTBench82.7%—
Epoch Capabilities Index144.2—
ForecastBench60.5—

Math Grok 4 Fast leads

Grok 4 Fast: 38.9 (#123), Qwen3-Coder 480B-A35B Instruct: 37.6 (#150)

BenchmarkGrok 4 FastQwen3-Coder 480B-A35B Instruct
LMArena Math14191365

Knowledge Qwen3-Coder 480B-A35B Instruct leads

Grok 4 Fast: 32.0 (#214), Qwen3-Coder 480B-A35B Instruct: 37.0 (#162)

BenchmarkGrok 4 FastQwen3-Coder 480B-A35B Instruct
LMArena Expert14111338
Vectara Hallucination Rate19.7%—

Multilingual Grok 4 Fast leads

Grok 4 Fast: 51.3 (#111), Qwen3-Coder 480B-A35B Instruct: 47.7 (#148)

BenchmarkGrok 4 FastQwen3-Coder 480B-A35B Instruct
LMArena Non-English13961346
LMArena Chinese14571357
LMArena French14311398
LMArena German13831325
LMArena Japanese13521310
LMArena Korean13571305
LMArena Russian13891366
LMArena Spanish14151360

Instruction Following Grok 4 Fast leads

Grok 4 Fast: 73.2 (#121), Qwen3-Coder 480B-A35B Instruct: 71.6 (#147)

BenchmarkGrok 4 FastQwen3-Coder 480B-A35B Instruct
LMArena Instruction Following13871355

Long Context Grok 4 Fast leads

Grok 4 Fast: 63.2 (#3), Qwen3-Coder 480B-A35B Instruct: 42.0 (#131)

BenchmarkGrok 4 FastQwen3-Coder 480B-A35B Instruct
LMArena Longer Query14151378
Fiction.LiveBench94.4%—

Writing & Preference Grok 4 Fast leads

Grok 4 Fast: 60.0 (#102), Qwen3-Coder 480B-A35B Instruct: 55.3 (#147)

BenchmarkGrok 4 FastQwen3-Coder 480B-A35B Instruct
LMArena Text14071357
LMArena Creative Writing13871333
LMArena Multi-Turn14141365

Frequently asked questions

Is Grok 4 Fast better than Qwen3-Coder 480B-A35B Instruct?

Grok 4 Fast is the stronger model overall, scoring 39.4 to 38.1 on the Noometry Index.

Is Grok 4 Fast or Qwen3-Coder 480B-A35B Instruct better for coding?

Qwen3-Coder 480B-A35B Instruct scores higher on coding benchmarks: 35.5 versus 32.5 in the Noometry coding category.

How many benchmarks do Grok 4 Fast and Qwen3-Coder 480B-A35B Instruct share?

20 benchmarks have published results for both models. Grok 4 Fast has 30 scored results on Noometry and Qwen3-Coder 480B-A35B Instruct has 25.

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