Noometry

Model comparison

Gemini 2.5 Flash-Lite vs Grok-2 (Dec 2024)

Gemini 2.5 Flash-Lite is the stronger model overall, scoring 36.4 to 33.4 on the Noometry Index.

Last verified . 20 shared benchmarks.

Gemini 2.5 Flash-Lite Google

36.4

Rank #208 Confirmed

Grok-2 (Dec 2024) xAI

33.4

Rank #233 Confirmed

Summary

  • They share 20 benchmarks with published results for both. Gemini 2.5 Flash-Lite scores higher in 7 categories and Grok-2 (Dec 2024) in 1 category; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Gemini 2.5 Flash-Lite leads 35.5 to 19.6.
  • The biggest single-benchmark swing is WeirdML: 35.2% for Gemini 2.5 Flash-Lite and 22.2% for Grok-2 (Dec 2024).

Side by side

Gemini 2.5 Flash-LiteGrok-2 (Dec 2024)
ProviderGooglexAI
Noometry Index36.433.4
Released2025-06-172024-08-13
WeightsProprietaryProprietary
Context window1.05M—
Max output66K—
Input $ / M tokens$0.10—
Output $ / M tokens$0.40—
Results tracked3334

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Category by category

Coding Gemini 2.5 Flash-Lite leads

Gemini 2.5 Flash-Lite: 38.0 (#167), Grok-2 (Dec 2024): 32.9 (#254)

BenchmarkGemini 2.5 Flash-LiteGrok-2 (Dec 2024)
WeirdML35.2%22.2%
LMArena Coding13731288
LiveBench Coding—46.4%
ALE-Bench325.9—

Agentic & Tool Use Not comparable

Gemini 2.5 Flash-Lite: 27.8 (#89), Grok-2 (Dec 2024): —

BenchmarkGemini 2.5 Flash-LiteGrok-2 (Dec 2024)
Berkeley Function Calling Leaderboard36.9%—

Reasoning Gemini 2.5 Flash-Lite leads

Gemini 2.5 Flash-Lite: 21.5 (#196), Grok-2 (Dec 2024): 16.4 (#294)

BenchmarkGemini 2.5 Flash-LiteGrok-2 (Dec 2024)
LMArena Hard Prompts13771272
DTBench62.8%65.2%
Epoch Capabilities Index133.93130.48
SimpleBench—22.7%
Kagi LLM Benchmark40.5%—
LiveBench Reasoning—54.8%
LiveBench Data Analysis—54.5%
LMCA18.1%—
LiveBench—54.3%

Math Gemini 2.5 Flash-Lite leads

Gemini 2.5 Flash-Lite: 35.5 (#144), Grok-2 (Dec 2024): 19.6 (#278)

BenchmarkGemini 2.5 Flash-LiteGrok-2 (Dec 2024)
LMArena Math13731283
OTIS Mock AIME 2024-2025—11.5%
Omni-MATH48%—
LiveBench Math—54.9%
MATH Level 5—63.5%
FrontierMath (Feb 2025 set)—0.7%

Knowledge Gemini 2.5 Flash-Lite leads

Gemini 2.5 Flash-Lite: 32.1 (#206), Grok-2 (Dec 2024): 29.8 (#225)

BenchmarkGemini 2.5 Flash-LiteGrok-2 (Dec 2024)
LMArena Expert13731254
GPQA Diamond—53.8%
MMLU-Pro53.7%—
Confabulations—20.1%
Vectara Hallucination Rate3.3%—
GPQA (HELM)30.9%—

Multimodal Not comparable

Gemini 2.5 Flash-Lite: 28.6 (#109), Grok-2 (Dec 2024): —

BenchmarkGemini 2.5 Flash-LiteGrok-2 (Dec 2024)
LMArena Vision1198—
VPCT30%—

Multilingual Gemini 2.5 Flash-Lite leads

Gemini 2.5 Flash-Lite: 49.5 (#129), Grok-2 (Dec 2024): 43.3 (#183)

BenchmarkGemini 2.5 Flash-LiteGrok-2 (Dec 2024)
LMArena Non-English13691282
LMArena Chinese14041289
LMArena French13881317
LMArena German13901287
LMArena Japanese13591244
LMArena Korean13581237
LMArena Russian13731286
LMArena Spanish13961281

Instruction Following Gemini 2.5 Flash-Lite leads

Gemini 2.5 Flash-Lite: 70.2 (#163), Grok-2 (Dec 2024): 67.1 (#197)

BenchmarkGemini 2.5 Flash-LiteGrok-2 (Dec 2024)
LMArena Instruction Following13661270
LiveBench Instruction Following—69.6%
IFEval81%—

Long Context Grok-2 (Dec 2024) leads

Gemini 2.5 Flash-Lite: 33.3 (#257), Grok-2 (Dec 2024): 38.7 (#186)

BenchmarkGemini 2.5 Flash-LiteGrok-2 (Dec 2024)
LMArena Longer Query13731276
Fiction.LiveBench47.2%—

Writing & Preference Gemini 2.5 Flash-Lite leads

Gemini 2.5 Flash-Lite: 57.0 (#130), Grok-2 (Dec 2024): 48.8 (#192)

BenchmarkGemini 2.5 Flash-LiteGrok-2 (Dec 2024)
LMArena Text13791305
LMArena Creative Writing13661284
LMArena Multi-Turn13671290
Short-Story Creative Writing—63.6%
WildBench81.8%—
LiveBench Language—45.6%

Frequently asked questions

Is Gemini 2.5 Flash-Lite better than Grok-2 (Dec 2024)?

Gemini 2.5 Flash-Lite is the stronger model overall, scoring 36.4 to 33.4 on the Noometry Index.

Is Gemini 2.5 Flash-Lite or Grok-2 (Dec 2024) better for coding?

Gemini 2.5 Flash-Lite scores higher on coding benchmarks: 38.0 versus 32.9 in the Noometry coding category.

How many benchmarks do Gemini 2.5 Flash-Lite and Grok-2 (Dec 2024) share?

20 benchmarks have published results for both models. Gemini 2.5 Flash-Lite has 33 scored results on Noometry and Grok-2 (Dec 2024) has 34.

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