Noometry

Model comparison

Grok 4 Fast vs Qwen3-30B-A3B

Grok 4 Fast and Qwen3-30B-A3B score almost the same on the Noometry Index (39.4 vs 38.9), so choose on price, context window or the category you care about most.

Last verified . 22 shared benchmarks.

Grok 4 Fast xAI

39.4

Rank #167 Confirmed

Qwen3-30B-A3B Alibaba (Qwen)

38.9

Rank #179 Confirmed

Summary

  • They share 22 benchmarks with published results for both. Grok 4 Fast scores higher in 6 categories and Qwen3-30B-A3B in 3 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in long context, where Grok 4 Fast leads 63.2 to 31.0.
  • The biggest single-benchmark swing is Fiction.LiveBench: 94.4% for Grok 4 Fast and 40.6% for Qwen3-30B-A3B.
  • Qwen3-30B-A3B has downloadable open weights; the other is API-only.

Side by side

Grok 4 FastQwen3-30B-A3B
ProviderxAIAlibaba (Qwen)
Noometry Index39.438.9
Released2025-09-192025-04-28
WeightsProprietaryOpen
Context window—41K
Max output—16K
Input $ / M tokens—$0.12
Output $ / M tokens—$0.50
Results tracked3032

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

Category by category

Coding Qwen3-30B-A3B leads

Grok 4 Fast: 32.5 (#271), Qwen3-30B-A3B: 37.5 (#194)

BenchmarkGrok 4 FastQwen3-30B-A3B
WeirdML42.9%29.8%
LMArena Coding14291416
LMArena WebDev1159—
SciCode—33.3%

Agentic & Tool Use Too close to call

Grok 4 Fast: 29.5 (#86), Qwen3-30B-A3B: 29.8 (#82)

BenchmarkGrok 4 FastQwen3-30B-A3B
Berkeley Function Calling Leaderboard—41.4%
τ²-bench Banking15.7%—
Cybench30%—
LMArena Search1171—

Reasoning Too close to call

Grok 4 Fast: 22.2 (#201), Qwen3-30B-A3B: 22.2 (#204)

BenchmarkGrok 4 FastQwen3-30B-A3B
Kagi LLM Benchmark66.1%54.9%
LMArena Hard Prompts14121398
DTBench82.7%69.3%
Epoch Capabilities Index144.2139.63
ARC-AGI-25.3%—
ARC-AGI-148.5%—
CritPt—0.3%
Chess Puzzles—8%
LMCA—22.4%
ForecastBench60.5—

Math Grok 4 Fast leads

Grok 4 Fast: 38.9 (#123), Qwen3-30B-A3B: 37.4 (#157)

BenchmarkGrok 4 FastQwen3-30B-A3B
LMArena Math14191394
MathArena Final-Answer Competitions—47.8%
OTIS Mock AIME 2024-2025—70.3%

Knowledge Qwen3-30B-A3B leads

Grok 4 Fast: 32.0 (#214), Qwen3-30B-A3B: 41.8 (#105)

BenchmarkGrok 4 FastQwen3-30B-A3B
LMArena Expert14111396
GPQA Diamond—70.1%
Confabulations—12.3%
Vectara Hallucination Rate19.7%—

Multilingual Grok 4 Fast leads

Grok 4 Fast: 51.3 (#111), Qwen3-30B-A3B: 49.5 (#132)

BenchmarkGrok 4 FastQwen3-30B-A3B
LMArena Non-English13961372
LMArena Chinese14571433
LMArena French14311418
LMArena German13831380
LMArena Japanese13521337
LMArena Korean13571331
LMArena Russian13891370
LMArena Spanish14151404

Instruction Following Grok 4 Fast leads

Grok 4 Fast: 73.2 (#121), Qwen3-30B-A3B: 72.0 (#142)

BenchmarkGrok 4 FastQwen3-30B-A3B
LMArena Instruction Following13871363

Long Context Grok 4 Fast leads

Grok 4 Fast: 63.2 (#3), Qwen3-30B-A3B: 31.0 (#283)

BenchmarkGrok 4 FastQwen3-30B-A3B
Fiction.LiveBench94.4%40.6%
LMArena Longer Query14151379

Writing & Preference Grok 4 Fast leads

Grok 4 Fast: 60.0 (#102), Qwen3-30B-A3B: 55.6 (#143)

BenchmarkGrok 4 FastQwen3-30B-A3B
LMArena Text14071384
LMArena Creative Writing13871317
LMArena Multi-Turn14141378
Short-Story Creative Writing—75.3%

Frequently asked questions

Is Grok 4 Fast better than Qwen3-30B-A3B?

Grok 4 Fast and Qwen3-30B-A3B score almost the same on the Noometry Index (39.4 vs 38.9), so choose on price, context window or the category you care about most.

Is Grok 4 Fast or Qwen3-30B-A3B better for coding?

Qwen3-30B-A3B scores higher on coding benchmarks: 37.5 versus 32.5 in the Noometry coding category.

How many benchmarks do Grok 4 Fast and Qwen3-30B-A3B share?

22 benchmarks have published results for both models. Grok 4 Fast has 30 scored results on Noometry and Qwen3-30B-A3B has 32.

Related comparisons

Go deeper