Noometry

Model comparison

Gemini 2.5 Flash-Lite vs Grok 4

Grok 4 is the stronger model overall, scoring 48.1 to 37.0 on the Noometry Index.

Last verified . 28 shared benchmarks.

Gemini 2.5 Flash-Lite Google

37.0

Rank #211 Confirmed

Grok 4 xAI

48.1

Rank #56 Confirmed

Summary

  • They share 28 benchmarks with published results for both. Gemini 2.5 Flash-Lite scores higher in 0 categories and Grok 4 in 10 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in long context, where Grok 4 leads 63.1 to 33.3.
  • The biggest single-benchmark swing is Fiction.LiveBench: 47.2% for Gemini 2.5 Flash-Lite and 94.4% for Grok 4.

Side by side

Gemini 2.5 Flash-LiteGrok 4
ProviderGooglexAI
Noometry Index37.048.1
Released2025-06-172025-07-09
WeightsProprietaryProprietary
Context window1.05M—
Max output66K—
Input $ / M tokens$0.10—
Output $ / M tokens$0.40—
Results tracked3348

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Category by category

Coding Grok 4 leads

Gemini 2.5 Flash-Lite: 38.5 (#173), Grok 4: 50.3 (#46)

BenchmarkGemini 2.5 Flash-LiteGrok 4
WeirdML35.2%45.7%
LMArena Coding13731408
Aider Polyglot—79.6%
ALE-Bench325.9—

Agentic & Tool Use Grok 4 leads

Gemini 2.5 Flash-Lite: 28.0 (#96), Grok 4: 32.3 (#68)

BenchmarkGemini 2.5 Flash-LiteGrok 4
Berkeley Function Calling Leaderboard36.9%63%
Terminal-Bench—27.2%
GDPval—21.1%
Cybench—43%
DeepResearch Bench—47.3%
BALROG—43.6%
LMArena Search—1142
METR Time Horizons—66.6%

Reasoning Grok 4 leads

Gemini 2.5 Flash-Lite: 22.2 (#205), Grok 4: 36.7 (#65)

BenchmarkGemini 2.5 Flash-LiteGrok 4
Kagi LLM Benchmark40.5%73.6%
LMArena Hard Prompts13771409
Epoch Capabilities Index133.94146.44
ARC-AGI-2—16%
SimpleBench—60.5%
ARC-AGI-1—66.7%
Chess Puzzles—28%
DTBench62.8%—
LMCA18.1%—
ForecastBench—60.9

Math Grok 4 leads

Gemini 2.5 Flash-Lite: 38.0 (#144), Grok 4: 48.4 (#64)

BenchmarkGemini 2.5 Flash-LiteGrok 4
Omni-MATH48%60.3%
LMArena Math13731422
OTIS Mock AIME 2024-2025—84%
FrontierMath (Feb 2025 set)—19.7%
FrontierMath Tier 4 (v1)—2.1%

Knowledge Grok 4 leads

Gemini 2.5 Flash-Lite: 32.5 (#210), Grok 4: 53.8 (#55)

BenchmarkGemini 2.5 Flash-LiteGrok 4
MMLU-Pro53.7%85.1%
GPQA (HELM)30.9%72.7%
LMArena Expert13731415
GPQA Diamond—87%
Confabulations—12.4%
Vectara Hallucination Rate3.3%—

Multimodal Grok 4 leads

Gemini 2.5 Flash-Lite: 29.1 (#114), Grok 4: 33.7 (#94)

BenchmarkGemini 2.5 Flash-LiteGrok 4
LMArena Vision11981210
GeoBench—45%
VPCT30%—

Multilingual Grok 4 leads

Gemini 2.5 Flash-Lite: 49.3 (#134), Grok 4: 51.8 (#103)

BenchmarkGemini 2.5 Flash-LiteGrok 4
LMArena Non-English13691403
LMArena Chinese14041427
LMArena French13881418
LMArena German13891429
LMArena Japanese13591394
LMArena Korean13601377
LMArena Russian13731410
LMArena Spanish13961420

Instruction Following Grok 4 leads

Gemini 2.5 Flash-Lite: 70.0 (#168), Grok 4: 79.2 (#5)

BenchmarkGemini 2.5 Flash-LiteGrok 4
IFEval81%94.9%
LMArena Instruction Following13671387

Long Context Grok 4 leads

Gemini 2.5 Flash-Lite: 33.3 (#262), Grok 4: 63.1 (#4)

BenchmarkGemini 2.5 Flash-LiteGrok 4
Fiction.LiveBench47.2%94.4%
LMArena Longer Query13731409

Writing & Preference Grok 4 leads

Gemini 2.5 Flash-Lite: 56.8 (#135), Grok 4: 58.5 (#116)

BenchmarkGemini 2.5 Flash-LiteGrok 4
LMArena Text13791411
LMArena Creative Writing13671397
WildBench81.8%79.7%
LMArena Multi-Turn13661416
Short-Story Creative Writing—76.9%

Frequently asked questions

Is Gemini 2.5 Flash-Lite better than Grok 4?

Grok 4 is the stronger model overall, scoring 48.1 to 37.0 on the Noometry Index.

Is Gemini 2.5 Flash-Lite or Grok 4 better for coding?

Grok 4 scores higher on coding benchmarks: 50.3 versus 38.5 in the Noometry coding category.

How many benchmarks do Gemini 2.5 Flash-Lite and Grok 4 share?

28 benchmarks have published results for both models. Gemini 2.5 Flash-Lite has 33 scored results on Noometry and Grok 4 has 48.

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