Noometry

Model comparison

Gemma 2 27B vs Grok 4 Fast

Grok 4 Fast is the stronger model overall, scoring 39.4 to 29.4 on the Noometry Index.

Last verified . 19 shared benchmarks.

Gemma 2 27B Google

29.4

Rank #312 Confirmed

Grok 4 Fast xAI

39.4

Rank #167 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Gemma 2 27B scores higher in 1 category and Grok 4 Fast in 7 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Grok 4 Fast leads 38.9 to 10.7.
  • The biggest single-benchmark swing is DTBench: 48% for Gemma 2 27B and 82.7% for Grok 4 Fast.
  • Gemma 2 27B has downloadable open weights; the other is API-only.

Side by side

Gemma 2 27BGrok 4 Fast
ProviderGooglexAI
Noometry Index29.439.4
Released2024-06-242025-09-19
WeightsOpenProprietary
Context window8K—
Max output2K—
Input $ / M tokens$0.65—
Output $ / M tokens$0.65—
Results tracked3430

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

Category by category

Coding Gemma 2 27B leads

Gemma 2 27B: 34.1 (#246), Grok 4 Fast: 32.5 (#271)

BenchmarkGemma 2 27BGrok 4 Fast
LMArena Coding12111429
LMArena WebDev—1159
WeirdML—42.9%
BigCodeBench Instruct42.8%—
LiveBench Coding36%—
BigCodeBench Complete52.5%—

Agentic & Tool Use Not comparable

Gemma 2 27B: —, Grok 4 Fast: 29.5 (#86)

BenchmarkGemma 2 27BGrok 4 Fast
τ²-bench Banking—15.7%
Cybench—30%
LMArena Search—1171

Reasoning Grok 4 Fast leads

Gemma 2 27B: 15.3 (#315), Grok 4 Fast: 22.2 (#201)

BenchmarkGemma 2 27BGrok 4 Fast
LMArena Hard Prompts11981412
DTBench48%82.7%
Epoch Capabilities Index122.08144.2
ARC-AGI-2—5.3%
Kagi LLM Benchmark—66.1%
ARC-AGI-1—48.5%
LiveBench Reasoning28.1%—
LiveBench Data Analysis47.9%—
LMCA7.1%—
ForecastBench—60.5
LiveBench38.2%—

Math Grok 4 Fast leads

Gemma 2 27B: 10.7 (#311), Grok 4 Fast: 38.9 (#123)

BenchmarkGemma 2 27BGrok 4 Fast
LMArena Math12121419
OTIS Mock AIME 2024-20251.4%—
LiveBench Math26.5%—
MATH Level 527.9%—

Knowledge Grok 4 Fast leads

Gemma 2 27B: 19.0 (#280), Grok 4 Fast: 32.0 (#214)

BenchmarkGemma 2 27BGrok 4 Fast
LMArena Expert11721411
GPQA Diamond36.5%—
Confabulations27.1%—
Vectara Hallucination Rate—19.7%
MMLU75.7%—

Multilingual Grok 4 Fast leads

Gemma 2 27B: 38.6 (#226), Grok 4 Fast: 51.3 (#111)

BenchmarkGemma 2 27BGrok 4 Fast
LMArena Non-English12171396
LMArena Chinese12211457
LMArena French12471431
LMArena German12091383
LMArena Japanese11751352
LMArena Korean11741357
LMArena Russian12341389
LMArena Spanish12281415

Instruction Following Grok 4 Fast leads

Gemma 2 27B: 60.5 (#249), Grok 4 Fast: 73.2 (#121)

BenchmarkGemma 2 27BGrok 4 Fast
LMArena Instruction Following12061387
LiveBench Instruction Following58.1%—

Long Context Grok 4 Fast leads

Gemma 2 27B: 37.3 (#218), Grok 4 Fast: 63.2 (#3)

BenchmarkGemma 2 27BGrok 4 Fast
LMArena Longer Query12311415
Fiction.LiveBench—94.4%

Writing & Preference Grok 4 Fast leads

Gemma 2 27B: 44.2 (#225), Grok 4 Fast: 60.0 (#102)

BenchmarkGemma 2 27BGrok 4 Fast
LMArena Text12311407
LMArena Creative Writing12411387
LMArena Multi-Turn12241414
LiveBench Language32.6%—

Frequently asked questions

Is Gemma 2 27B better than Grok 4 Fast?

Grok 4 Fast is the stronger model overall, scoring 39.4 to 29.4 on the Noometry Index.

Is Gemma 2 27B or Grok 4 Fast better for coding?

Gemma 2 27B scores higher on coding benchmarks: 34.1 versus 32.5 in the Noometry coding category.

How many benchmarks do Gemma 2 27B and Grok 4 Fast share?

19 benchmarks have published results for both models. Gemma 2 27B has 34 scored results on Noometry and Grok 4 Fast has 30.

Related comparisons

Go deeper