Noometry

Model comparison

Gemini 3.1 Flash Lite vs Grok 4.1

Gemini 3.1 Flash Lite and Grok 4.1 score almost the same on the Noometry Index (40.8 vs 41.5), so choose on price, context window or the category you care about most.

Last verified . 18 shared benchmarks.

Gemini 3.1 Flash Lite Google

40.8

Rank #144 Confirmed

Grok 4.1 xAI

41.5

Rank #134 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 3 categories and Grok 4.1 in 6 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Grok 4.1 leads 29.5 to 22.9.

Side by side

Gemini 3.1 Flash LiteGrok 4.1
ProviderGooglexAI
Noometry Index40.841.5
Released2026-03-032025-11-17
WeightsProprietaryProprietary
Context window1.05M—
Max output66K—
Input $ / M tokens$0.25—
Output $ / M tokens$1.50—
Results tracked3819

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Category by category

Coding Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 37.8 (#188), Grok 4.1: 33.7 (#253)

BenchmarkGemini 3.1 Flash LiteGrok 4.1
LMArena WebDev12561214
LMArena Coding14001445
SciCode41.9%—
WeirdML52.2%—
ALE-Bench797.73—

Agentic & Tool Use Grok 4.1 leads

Gemini 3.1 Flash Lite: 30.2 (#79), Grok 4.1: 34.1 (#49)

BenchmarkGemini 3.1 Flash LiteGrok 4.1
Cybench—39%
DeepResearch Bench37.3%—

Reasoning Grok 4.1 leads

Gemini 3.1 Flash Lite: 22.9 (#186), Grok 4.1: 29.5 (#91)

BenchmarkGemini 3.1 Flash LiteGrok 4.1
LMArena Hard Prompts14071435
Kagi LLM Benchmark67.2%—
NYT Connections (extended)8.2%—
CritPt1.1%—
Chess Puzzles25%—
EnigmaEval3%—
Thematic Generalization63.3%—
DTBench76.8%—
LMCA35%—
Epoch Capabilities Index144.47—
ForecastBench54.4—

Math Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 40.7 (#90), Grok 4.1: 38.9 (#120)

BenchmarkGemini 3.1 Flash LiteGrok 4.1
LMArena Math14281422
FrontierMath (Tiers 1-3)27.7%—
OTIS Mock AIME 2024-202580%—

Knowledge Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 41.9 (#104), Grok 4.1: 39.5 (#133)

BenchmarkGemini 3.1 Flash LiteGrok 4.1
LMArena Expert13981417
GPQA Diamond81.8%—
Humanity's Last Exam8.6%—
Vectara Hallucination Rate8.2%—

Multimodal Not comparable

Gemini 3.1 Flash Lite: 39.4 (#60), Grok 4.1: —

BenchmarkGemini 3.1 Flash LiteGrok 4.1
LMArena Vision1240—

Multilingual Grok 4.1 leads

Gemini 3.1 Flash Lite: 52.3 (#86), Grok 4.1: 53.4 (#68)

BenchmarkGemini 3.1 Flash LiteGrok 4.1
LMArena Non-English14111425
LMArena Chinese14611465
LMArena French14241448
LMArena German14291446
LMArena Japanese14131397
LMArena Korean13921407
LMArena Russian14201434
LMArena Spanish14211438

Instruction Following Grok 4.1 leads

Gemini 3.1 Flash Lite: 72.7 (#131), Grok 4.1: 73.8 (#111)

BenchmarkGemini 3.1 Flash LiteGrok 4.1
LMArena Instruction Following13771400

Long Context Too close to call

Gemini 3.1 Flash Lite: 42.5 (#122), Grok 4.1: 43.2 (#100)

BenchmarkGemini 3.1 Flash LiteGrok 4.1
LMArena Longer Query13941416

Writing & Preference Grok 4.1 leads

Gemini 3.1 Flash Lite: 60.9 (#94), Grok 4.1: 62.4 (#75)

BenchmarkGemini 3.1 Flash LiteGrok 4.1
LMArena Text14161437
LMArena Creative Writing14011411
LMArena Multi-Turn14171437

Frequently asked questions

Is Gemini 3.1 Flash Lite better than Grok 4.1?

Gemini 3.1 Flash Lite and Grok 4.1 score almost the same on the Noometry Index (40.8 vs 41.5), so choose on price, context window or the category you care about most.

Is Gemini 3.1 Flash Lite or Grok 4.1 better for coding?

Gemini 3.1 Flash Lite scores higher on coding benchmarks: 37.8 versus 33.7 in the Noometry coding category.

How many benchmarks do Gemini 3.1 Flash Lite and Grok 4.1 share?

18 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and Grok 4.1 has 19.

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