Model comparison

Gemma 4 31B IT vs Grok 4.1

Gemma 4 31B IT is the stronger model overall, scoring 43.5 to 41.5 on the Noometry Index.

Last verified . 15 shared benchmarks.

Gemma 4 31B IT Google

43.5

Rank #90 Confirmed

Grok 4.1 xAI

41.5

Rank #134 Confirmed

Summary

  • They share 15 benchmarks with published results for both. Gemma 4 31B IT scores higher in 5 categories and Grok 4.1 in 3 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in coding, where Gemma 4 31B IT leads 42.3 to 33.7.
  • Gemma 4 31B IT has downloadable open weights; the other is API-only.

Side by side

Gemma 4 31B IT and Grok 4.1 specifications
Gemma 4 31B ITGrok 4.1
ProviderGooglexAI
Noometry Index43.541.5
Released2026-04-022025-11-17
WeightsOpenProprietary
Context window262K—
Max output33K—
Input $ / M tokens$0.09—
Output $ / M tokens$0.34—
Results tracked3519

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Category by category

Coding Gemma 4 31B IT leads

Gemma 4 31B IT: 42.3 (#108), Grok 4.1: 33.7 (#253)

Coding benchmarks
BenchmarkGemma 4 31B ITGrok 4.1
LMArena WebDev13661214
LMArena Coding14591445
SciCode43.4%—
WeirdML52.3%—
ALE-Bench925.5—

Agentic & Tool Use Not comparable

Gemma 4 31B IT: —, Grok 4.1: 34.1 (#49)

Agentic & Tool Use benchmarks
BenchmarkGemma 4 31B ITGrok 4.1
Cybench—39%

Reasoning Grok 4.1 leads

Gemma 4 31B IT: 27.2 (#122), Grok 4.1: 29.5 (#91)

Reasoning benchmarks
BenchmarkGemma 4 31B ITGrok 4.1
LMArena Hard Prompts14481435
Kagi LLM Benchmark63.5%—
NYT Connections (extended)70.6%—
CritPt1.4%—
Chess Puzzles5%—
Thematic Generalization53%—
DTBench82.7%—
LMCA39.3%—
Surface Evolver Bench30.6%—
Epoch Capabilities Index142.74—

Math Gemma 4 31B IT leads

Gemma 4 31B IT: 43.2 (#81), Grok 4.1: 38.9 (#120)

Math benchmarks
BenchmarkGemma 4 31B ITGrok 4.1
LMArena Math14651422
OTIS Mock AIME 2024-202573.3%—

Knowledge Grok 4.1 leads

Gemma 4 31B IT: 37.9 (#151), Grok 4.1: 39.5 (#133)

Knowledge benchmarks
BenchmarkGemma 4 31B ITGrok 4.1
LMArena Expert14651417
GPQA Diamond75.8%—
SimpleQA Verified10.4%—
Vectara Hallucination Rate7.4%—

Multimodal Not comparable

Gemma 4 31B IT: 41.6 (#34), Grok 4.1: —

Multimodal benchmarks
BenchmarkGemma 4 31B ITGrok 4.1
LMArena Vision1277—
LMArena Document1425—

Multilingual Too close to call

Gemma 4 31B IT: 53.8 (#57), Grok 4.1: 53.4 (#68)

Multilingual benchmarks
BenchmarkGemma 4 31B ITGrok 4.1
LMArena Non-English14311425
LMArena Chinese14761465
LMArena French14351448
LMArena Russian14601434
LMArena Spanish14441438
LMArena German—1446
LMArena Japanese—1397
LMArena Korean—1407

Instruction Following Gemma 4 31B IT leads

Gemma 4 31B IT: 75.5 (#61), Grok 4.1: 73.8 (#111)

Instruction Following benchmarks
BenchmarkGemma 4 31B ITGrok 4.1
LMArena Instruction Following14331400

Long Context Too close to call

Gemma 4 31B IT: 44.2 (#71), Grok 4.1: 43.2 (#100)

Long Context benchmarks
BenchmarkGemma 4 31B ITGrok 4.1
LMArena Longer Query14461416

Writing & Preference Grok 4.1 leads

Gemma 4 31B IT: 60.5 (#96), Grok 4.1: 62.4 (#75)

Writing & Preference benchmarks
BenchmarkGemma 4 31B ITGrok 4.1
LMArena Text14431437
LMArena Creative Writing14151411
LMArena Multi-Turn14521437
EQ-Bench Creative Writing1368—
EQ-Bench 41120—

Frequently asked questions

Is Gemma 4 31B IT better than Grok 4.1?

Gemma 4 31B IT is the stronger model overall, scoring 43.5 to 41.5 on the Noometry Index.

Is Gemma 4 31B IT or Grok 4.1 better for coding?

Gemma 4 31B IT scores higher on coding benchmarks: 42.3 versus 33.7 in the Noometry coding category.

How many benchmarks do Gemma 4 31B IT and Grok 4.1 share?

15 benchmarks have published results for both models. Gemma 4 31B IT has 35 scored results on Noometry and Grok 4.1 has 19.

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