Model comparison

Gemma 4 31B IT vs Grok 4.1

Gemma 4 31B IT is the stronger model overall, scoring 43.2 to 40.8 on the Noometry Index.

Last verified . 15 shared benchmarks.

Gemma 4 31B IT Google

43.2

Rank #85 Confirmed

Grok 4.1 xAI

40.8

Rank #135 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; 5 gaps are clear of the uncertainty.
  • The widest gap is in coding, where Gemma 4 31B IT leads 41.9 to 33.4.
  • 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 Index43.240.8
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: 41.9 (#98), Grok 4.1: 33.4 (#246)

Coding benchmarks
BenchmarkGemma 4 31B ITGrok 4.1
LMArena WebDev13641214
LMArena Coding14591445
SciCode43.4%—
WeirdML52.3%—
ALE-Bench925.5—

Agentic & Tool Use Not comparable

Gemma 4 31B IT: —, Grok 4.1: 33.8 (#47)

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

Reasoning Grok 4.1 leads

Gemma 4 31B IT: 26.4 (#119), Grok 4.1: 28.3 (#91)

Reasoning benchmarks
BenchmarkGemma 4 31B ITGrok 4.1
LMArena Hard Prompts14481436
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: 41.3 (#72), Grok 4.1: 36.2 (#124)

Math benchmarks
BenchmarkGemma 4 31B ITGrok 4.1
LMArena Math14641422
OTIS Mock AIME 2024-202573.3%—

Knowledge Too close to call

Gemma 4 31B IT: 37.9 (#141), Grok 4.1: 38.9 (#129)

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: 41.0 (#32), Grok 4.1: —

Multimodal benchmarks
BenchmarkGemma 4 31B ITGrok 4.1
LMArena Vision1278—
LMArena Document1425—

Multilingual Too close to call

Gemma 4 31B IT: 54.0 (#52), Grok 4.1: 53.6 (#64)

Multilingual benchmarks
BenchmarkGemma 4 31B ITGrok 4.1
LMArena Non-English14311425
LMArena Chinese14781464
LMArena French14361448
LMArena Russian14621434
LMArena Spanish14431438
LMArena German—1447
LMArena Japanese—1396
LMArena Korean—1407

Instruction Following Gemma 4 31B IT leads

Gemma 4 31B IT: 75.6 (#58), Grok 4.1: 74.0 (#106)

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

Long Context Too close to call

Gemma 4 31B IT: 44.2 (#67), Grok 4.1: 43.2 (#96)

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

Writing & Preference Grok 4.1 leads

Gemma 4 31B IT: 60.7 (#92), Grok 4.1: 62.6 (#71)

Writing & Preference benchmarks
BenchmarkGemma 4 31B ITGrok 4.1
LMArena Text14431437
LMArena Creative Writing14161411
LMArena Multi-Turn14521438
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 43.2 to 40.8 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: 41.9 versus 33.4 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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