Noometry

Model comparison

Gemini 2.0 Flash-Lite vs Grok 4 Fast

Grok 4 Fast is the stronger model overall, scoring 39.4 to 37.8 on the Noometry Index.

Last verified . 19 shared benchmarks.

Gemini 2.0 Flash-Lite Google

37.8

Rank #194 Confirmed

Grok 4 Fast xAI

39.4

Rank #167 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Gemini 2.0 Flash-Lite scores higher in 2 categories and Grok 4 Fast in 6 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in long context, where Grok 4 Fast leads 63.2 to 40.1.
  • The biggest single-benchmark swing is DTBench: 52.5% for Gemini 2.0 Flash-Lite and 82.7% for Grok 4 Fast.

Side by side

Gemini 2.0 Flash-LiteGrok 4 Fast
ProviderGooglexAI
Noometry Index37.839.4
Released2025-02-052025-09-19
WeightsProprietaryProprietary
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked3230

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Category by category

Coding Gemini 2.0 Flash-Lite leads

Gemini 2.0 Flash-Lite: 37.9 (#185), Grok 4 Fast: 32.5 (#271)

BenchmarkGemini 2.0 Flash-LiteGrok 4 Fast
LMArena Coding13221429
LMArena WebDev—1159
WeirdML—42.9%
LiveBench Coding47.1%—

Agentic & Tool Use Not comparable

Gemini 2.0 Flash-Lite: —, Grok 4 Fast: 29.5 (#86)

BenchmarkGemini 2.0 Flash-LiteGrok 4 Fast
τ²-bench Banking—15.7%
Cybench—30%
LMArena Search—1171

Reasoning Too close to call

Gemini 2.0 Flash-Lite: 22.0 (#210), Grok 4 Fast: 22.2 (#201)

BenchmarkGemini 2.0 Flash-LiteGrok 4 Fast
LMArena Hard Prompts13241412
DTBench52.5%82.7%
ForecastBench57.160.5
ARC-AGI-2—5.3%
Kagi LLM Benchmark—66.1%
ARC-AGI-1—48.5%
LiveBench Reasoning50.1%—
LiveBench Data Analysis65.5%—
Epoch Capabilities Index—144.2
LiveBench54.3%—

Math Grok 4 Fast leads

Gemini 2.0 Flash-Lite: 34.1 (#196), Grok 4 Fast: 38.9 (#123)

BenchmarkGemini 2.0 Flash-LiteGrok 4 Fast
LMArena Math13091419
Omni-MATH37.4%—
LiveBench Math58.1%—

Knowledge Gemini 2.0 Flash-Lite leads

Gemini 2.0 Flash-Lite: 35.0 (#189), Grok 4 Fast: 32.0 (#214)

BenchmarkGemini 2.0 Flash-LiteGrok 4 Fast
LMArena Expert13051411
MMLU-Pro72%—
Vectara Hallucination Rate—19.7%
GPQA (HELM)50%—

Multimodal Not comparable

Gemini 2.0 Flash-Lite: 31.2 (#109), Grok 4 Fast: —

BenchmarkGemini 2.0 Flash-LiteGrok 4 Fast
LMArena Vision1100—

Multilingual Grok 4 Fast leads

Gemini 2.0 Flash-Lite: 46.0 (#161), Grok 4 Fast: 51.3 (#111)

BenchmarkGemini 2.0 Flash-LiteGrok 4 Fast
LMArena Non-English13231396
LMArena Chinese13391457
LMArena French13471431
LMArena German13061383
LMArena Japanese13011352
LMArena Korean13251357
LMArena Russian13281389
LMArena Spanish13131415

Instruction Following Grok 4 Fast leads

Gemini 2.0 Flash-Lite: 70.4 (#163), Grok 4 Fast: 73.2 (#121)

BenchmarkGemini 2.0 Flash-LiteGrok 4 Fast
LMArena Instruction Following13051387
LiveBench Instruction Following78.3%—
IFEval82.4%—

Long Context Grok 4 Fast leads

Gemini 2.0 Flash-Lite: 40.1 (#160), Grok 4 Fast: 63.2 (#3)

BenchmarkGemini 2.0 Flash-LiteGrok 4 Fast
LMArena Longer Query13201415
Fiction.LiveBench—94.4%

Writing & Preference Grok 4 Fast leads

Gemini 2.0 Flash-Lite: 51.7 (#177), Grok 4 Fast: 60.0 (#102)

BenchmarkGemini 2.0 Flash-LiteGrok 4 Fast
LMArena Text13301407
LMArena Creative Writing13191387
LMArena Multi-Turn13071414
WildBench79%—
LiveBench Language34.3%—

Frequently asked questions

Is Gemini 2.0 Flash-Lite better than Grok 4 Fast?

Grok 4 Fast is the stronger model overall, scoring 39.4 to 37.8 on the Noometry Index.

Is Gemini 2.0 Flash-Lite or Grok 4 Fast better for coding?

Gemini 2.0 Flash-Lite scores higher on coding benchmarks: 37.9 versus 32.5 in the Noometry coding category.

How many benchmarks do Gemini 2.0 Flash-Lite and Grok 4 Fast share?

19 benchmarks have published results for both models. Gemini 2.0 Flash-Lite has 32 scored results on Noometry and Grok 4 Fast has 30.

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