Noometry

Model comparison

Gemma 4 31B IT vs Grok Build 0.1

Gemma 4 31B IT is the stronger model overall, scoring 43.2 to 35.8 on the Noometry Index.

Last verified . 2 shared benchmarks.

Gemma 4 31B IT Google

43.2

Rank #85 Confirmed

Grok Build 0.1 xAI

35.8

Rank #214 Reported

Summary

  • They share 2 benchmarks with published results for both. Gemma 4 31B IT scores higher in 0 categories and Grok Build 0.1 in 2 categories; one gap is clear of the uncertainty.
  • The widest gap is in reasoning, where Grok Build 0.1 leads 31.3 to 26.4.
  • The biggest single-benchmark swing is CritPt: 1.4% for Gemma 4 31B IT and 9.1% for Grok Build 0.1.
  • Gemma 4 31B IT is cheaper at $0.09 / $0.34 per million input/output tokens, against $1 / $2 for Grok Build 0.1.
  • Gemma 4 31B IT accepts more context: 262K tokens versus 256K.
  • Gemma 4 31B IT has downloadable open weights; the other is API-only.

Side by side

Gemma 4 31B ITGrok Build 0.1
ProviderGooglexAI
Noometry Index43.235.8
Released2026-04-022026-04-16
WeightsOpenProprietary
Context window262K256K
Max output33K256K
Input $ / M tokens$0.09$1
Output $ / M tokens$0.34$2
Results tracked353

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Category by category

Coding Too close to call

Gemma 4 31B IT: 41.9 (#98), Grok Build 0.1: 42.5 (#90)

BenchmarkGemma 4 31B ITGrok Build 0.1
SciCode43.4%50.2%
LMArena WebDev1364—
WeirdML52.3%—
LMArena Coding1459—
ALE-Bench925.5—

Agentic & Tool Use Not comparable

Gemma 4 31B IT: —, Grok Build 0.1: 22.5 (#122)

BenchmarkGemma 4 31B ITGrok Build 0.1
GBAEval—2.4%

Reasoning Grok Build 0.1 leads

Gemma 4 31B IT: 26.4 (#119), Grok Build 0.1: 31.3 (#73)

BenchmarkGemma 4 31B ITGrok Build 0.1
CritPt1.4%9.1%
Kagi LLM Benchmark63.5%—
NYT Connections (extended)70.6%—
Chess Puzzles5%—
Thematic Generalization53%—
LMArena Hard Prompts1448—
DTBench82.7%—
LMCA39.3%—
Surface Evolver Bench30.6%—
Epoch Capabilities Index142.74—

Math Not comparable

Gemma 4 31B IT: 41.3 (#72), Grok Build 0.1: —

BenchmarkGemma 4 31B ITGrok Build 0.1
OTIS Mock AIME 2024-202573.3%—
LMArena Math1464—

Knowledge Not comparable

Gemma 4 31B IT: 37.9 (#141), Grok Build 0.1: —

BenchmarkGemma 4 31B ITGrok Build 0.1
GPQA Diamond75.8%—
SimpleQA Verified10.4%—
Vectara Hallucination Rate7.4%—
LMArena Expert1465—

Multimodal Not comparable

Gemma 4 31B IT: 41.0 (#32), Grok Build 0.1: —

BenchmarkGemma 4 31B ITGrok Build 0.1
LMArena Vision1278—
LMArena Document1425—

Multilingual Not comparable

Gemma 4 31B IT: 54.0 (#52), Grok Build 0.1: —

BenchmarkGemma 4 31B ITGrok Build 0.1
LMArena Non-English1431—
LMArena Chinese1478—
LMArena French1436—
LMArena Russian1462—
LMArena Spanish1443—

Instruction Following Not comparable

Gemma 4 31B IT: 75.6 (#58), Grok Build 0.1: —

BenchmarkGemma 4 31B ITGrok Build 0.1
LMArena Instruction Following1433—

Long Context Not comparable

Gemma 4 31B IT: 44.2 (#67), Grok Build 0.1: —

BenchmarkGemma 4 31B ITGrok Build 0.1
LMArena Longer Query1446—

Writing & Preference Not comparable

Gemma 4 31B IT: 60.7 (#92), Grok Build 0.1: —

BenchmarkGemma 4 31B ITGrok Build 0.1
LMArena Text1443—
LMArena Creative Writing1416—
EQ-Bench Creative Writing1368—
EQ-Bench 41120—
LMArena Multi-Turn1452—

Frequently asked questions

Is Gemma 4 31B IT better than Grok Build 0.1?

Gemma 4 31B IT is the stronger model overall, scoring 43.2 to 35.8 on the Noometry Index.

Which is cheaper, Gemma 4 31B IT or Grok Build 0.1?

Gemma 4 31B IT is cheaper. It lists at $0.09 per million input tokens and $0.34 per million output tokens; Grok Build 0.1 lists at $1 and $2.

Is Gemma 4 31B IT or Grok Build 0.1 better for coding?

They score almost the same on coding (41.9 vs 42.5); test both on your own repository before choosing.

Which has the bigger context window?

Gemma 4 31B IT does, with 262K tokens against 256K.

How many benchmarks do Gemma 4 31B IT and Grok Build 0.1 share?

2 benchmarks have published results for both models. Gemma 4 31B IT has 35 scored results on Noometry and Grok Build 0.1 has 3.

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