Noometry

Model comparison

Gemini 2.5 Flash-Lite vs o1-mini

Gemini 2.5 Flash-Lite is the stronger model overall, scoring 37.0 to 34.0 on the Noometry Index.

Last verified . 19 shared benchmarks.

Gemini 2.5 Flash-Lite Google

37.0

Rank #211 Confirmed

o1-mini OpenAI

34.0

Rank #235 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Gemini 2.5 Flash-Lite scores higher in 7 categories and o1-mini in 2 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 2.5 Flash-Lite leads 22.2 to 8.8.

Side by side

Gemini 2.5 Flash-Liteo1-mini
ProviderGoogleOpenAI
Noometry Index37.034.0
Released2025-06-172024-09-12
WeightsProprietaryProprietary
Context window1.05M—
Max output66K—
Input $ / M tokens$0.10—
Output $ / M tokens$0.40—
Results tracked3339

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Category by category

Coding Gemini 2.5 Flash-Lite leads

Gemini 2.5 Flash-Lite: 38.5 (#173), o1-mini: 35.5 (#224)

BenchmarkGemini 2.5 Flash-Liteo1-mini
WeirdML35.2%36.3%
LMArena Coding13731362
Aider Polyglot—32.9%
LiveBench Coding—48%
ALE-Bench325.9—
HumanEval+—89%
MBPP+—78.8%

Agentic & Tool Use Gemini 2.5 Flash-Lite leads

Gemini 2.5 Flash-Lite: 28.0 (#96), o1-mini: 24.6 (#118)

BenchmarkGemini 2.5 Flash-Liteo1-mini
Berkeley Function Calling Leaderboard36.9%—
Cybench—10%

Reasoning Gemini 2.5 Flash-Lite leads

Gemini 2.5 Flash-Lite: 22.2 (#205), o1-mini: 8.8 (#346)

BenchmarkGemini 2.5 Flash-Liteo1-mini
LMArena Hard Prompts13771333
Epoch Capabilities Index133.94135.82
ARC-AGI-2—0.8%
SimpleBench—18.1%
Kagi LLM Benchmark40.5%—
ARC-AGI-1—14%
LiveBench Reasoning—72.3%
DTBench62.8%—
LiveBench Data Analysis—57.9%
LMCA18.1%—
LiveBench—57.8%

Math Gemini 2.5 Flash-Lite leads

Gemini 2.5 Flash-Lite: 38.0 (#144), o1-mini: 35.4 (#186)

BenchmarkGemini 2.5 Flash-Liteo1-mini
LMArena Math13731358
OTIS Mock AIME 2024-2025—46.9%
Omni-MATH48%—
LiveBench Math—62%
MATH Level 5—89.2%
FrontierMath (Feb 2025 set)—1.7%

Knowledge o1-mini leads

Gemini 2.5 Flash-Lite: 32.5 (#210), o1-mini: 34.9 (#192)

BenchmarkGemini 2.5 Flash-Liteo1-mini
LMArena Expert13731316
GPQA Diamond—62.4%
MMLU-Pro53.7%—
Confabulations—18.6%
Vectara Hallucination Rate3.3%—
GPQA (HELM)30.9%—

Multimodal Not comparable

Gemini 2.5 Flash-Lite: 29.1 (#114), o1-mini: —

BenchmarkGemini 2.5 Flash-Liteo1-mini
LMArena Vision1198—
VPCT30%—

Multilingual Gemini 2.5 Flash-Lite leads

Gemini 2.5 Flash-Lite: 49.3 (#134), o1-mini: 43.6 (#182)

BenchmarkGemini 2.5 Flash-Liteo1-mini
LMArena Non-English13691289
LMArena Chinese14041314
LMArena French13881293
LMArena German13891278
LMArena Japanese13591245
LMArena Korean13601223
LMArena Russian13731283
LMArena Spanish13961303

Instruction Following Gemini 2.5 Flash-Lite leads

Gemini 2.5 Flash-Lite: 70.0 (#168), o1-mini: 66.7 (#206)

BenchmarkGemini 2.5 Flash-Liteo1-mini
LMArena Instruction Following13671304
LiveBench Instruction Following—65.4%
IFEval81%—

Long Context o1-mini leads

Gemini 2.5 Flash-Lite: 33.3 (#262), o1-mini: 40.1 (#161)

BenchmarkGemini 2.5 Flash-Liteo1-mini
LMArena Longer Query13731320
Fiction.LiveBench47.2%—

Writing & Preference Gemini 2.5 Flash-Lite leads

Gemini 2.5 Flash-Lite: 56.8 (#135), o1-mini: 48.4 (#202)

BenchmarkGemini 2.5 Flash-Liteo1-mini
LMArena Text13791317
LMArena Creative Writing13671244
LMArena Multi-Turn13661314
Short-Story Creative Writing—64.9%
WildBench81.8%—
LiveBench Language—40.9%

Frequently asked questions

Is Gemini 2.5 Flash-Lite better than o1-mini?

Gemini 2.5 Flash-Lite is the stronger model overall, scoring 37.0 to 34.0 on the Noometry Index.

Is Gemini 2.5 Flash-Lite or o1-mini better for coding?

Gemini 2.5 Flash-Lite scores higher on coding benchmarks: 38.5 versus 35.5 in the Noometry coding category.

How many benchmarks do Gemini 2.5 Flash-Lite and o1-mini share?

19 benchmarks have published results for both models. Gemini 2.5 Flash-Lite has 33 scored results on Noometry and o1-mini has 39.

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