Model comparison

Gemini 2.0 Flash-Lite vs o3-mini

Gemini 2.0 Flash-Lite is the stronger model overall, scoring 37.8 to 36.7 on the Noometry Index.

Last verified . 26 shared benchmarks.

Gemini 2.0 Flash-Lite Google

37.8

Rank #194 Confirmed

o3-mini OpenAI

36.7

Rank #212 Confirmed

Summary

  • They share 26 benchmarks with published results for both. Gemini 2.0 Flash-Lite scores higher in 5 categories and o3-mini in 3 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in long context, where Gemini 2.0 Flash-Lite leads 40.1 to 33.8.
  • The biggest single-benchmark swing is LiveBench Reasoning: 50.1% for Gemini 2.0 Flash-Lite and 89.6% for o3-mini.

Side by side

Gemini 2.0 Flash-Lite and o3-mini specifications
Gemini 2.0 Flash-Liteo3-mini
ProviderGoogleOpenAI
Noometry Index37.836.7
Released2025-02-052024-12-20
WeightsProprietaryProprietary
Context window—200K
Max output—100K
Input $ / M tokens—$1.10
Output $ / M tokens—$4.40
Results tracked3251

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Category by category

Coding o3-mini leads

Gemini 2.0 Flash-Lite: 37.9 (#185), o3-mini: 40.8 (#132)

Coding benchmarks
BenchmarkGemini 2.0 Flash-Liteo3-mini
LiveBench Coding47.1%82.7%
LMArena Coding13221378
Aider Polyglot—60.4%
SciCode—39.8%
GSO—1.3%
WeirdML—43.7%
CadEval—54%

Agentic & Tool Use Not comparable

Gemini 2.0 Flash-Lite: —, o3-mini: 29.6 (#84)

Agentic & Tool Use benchmarks
BenchmarkGemini 2.0 Flash-Liteo3-mini
Cybench—22.5%

Reasoning Gemini 2.0 Flash-Lite leads

Gemini 2.0 Flash-Lite: 22.0 (#210), o3-mini: 16.3 (#305)

Reasoning benchmarks
BenchmarkGemini 2.0 Flash-Liteo3-mini
LiveBench Reasoning50.1%89.6%
LMArena Hard Prompts13241366
DTBench52.5%68.8%
LiveBench Data Analysis65.5%70.6%
ForecastBench57.159.6
LiveBench54.3%75.9%
ARC-AGI-2—3%
SimpleBench—22.8%
ARC-AGI-1—34.5%
CritPt—0.3%
Chess Puzzles—17%
Mystery Game Puzzles—7%
LMCA—19%
Epoch Capabilities Index—140.34

Math Gemini 2.0 Flash-Lite leads

Gemini 2.0 Flash-Lite: 34.1 (#196), o3-mini: 28.1 (#244)

Math benchmarks
BenchmarkGemini 2.0 Flash-Liteo3-mini
LiveBench Math58.1%77.3%
LMArena Math13091396
FrontierMath (Tiers 1-3)—18.6%
FrontierMath Tier 4—0%
OTIS Mock AIME 2024-2025—76.9%
Omni-MATH37.4%—
MATH Level 5—96.5%
FrontierMath (Feb 2025 set)—12.4%
FrontierMath Tier 4 (v1)—4.2%

Knowledge o3-mini leads

Gemini 2.0 Flash-Lite: 35.0 (#189), o3-mini: 38.3 (#146)

Knowledge benchmarks
BenchmarkGemini 2.0 Flash-Liteo3-mini
LMArena Expert13051364
GPQA Diamond—77%
SimpleQA Verified—15.3%
MMLU-Pro72%—
Confabulations—17.9%
GPQA (HELM)50%—

Multimodal Not comparable

Gemini 2.0 Flash-Lite: 31.2 (#109), o3-mini: —

Multimodal benchmarks
BenchmarkGemini 2.0 Flash-Liteo3-mini
LMArena Vision1100—

Multilingual Too close to call

Gemini 2.0 Flash-Lite: 46.0 (#161), o3-mini: 45.7 (#164)

Multilingual benchmarks
BenchmarkGemini 2.0 Flash-Liteo3-mini
LMArena Non-English13231319
LMArena Chinese13391379
LMArena French13471334
LMArena German13061303
LMArena Japanese13011286
LMArena Korean13251314
LMArena Russian13281304
LMArena Spanish13131321

Instruction Following o3-mini leads

Gemini 2.0 Flash-Lite: 70.4 (#163), o3-mini: 75.1 (#72)

Instruction Following benchmarks
BenchmarkGemini 2.0 Flash-Liteo3-mini
LiveBench Instruction Following78.3%84.4%
LMArena Instruction Following13051337
IFEval82.4%—

Long Context Gemini 2.0 Flash-Lite leads

Gemini 2.0 Flash-Lite: 40.1 (#160), o3-mini: 33.8 (#256)

Long Context benchmarks
BenchmarkGemini 2.0 Flash-Liteo3-mini
LMArena Longer Query13201343
Fiction.LiveBench—50%

Writing & Preference Gemini 2.0 Flash-Lite leads

Gemini 2.0 Flash-Lite: 51.7 (#177), o3-mini: 50.3 (#182)

Writing & Preference benchmarks
BenchmarkGemini 2.0 Flash-Liteo3-mini
LMArena Text13301337
LMArena Creative Writing13191286
LMArena Multi-Turn13071320
LiveBench Language34.3%50.7%
Short-Story Creative Writing—61.7%
WildBench79%—

Frequently asked questions

Is Gemini 2.0 Flash-Lite better than o3-mini?

Gemini 2.0 Flash-Lite is the stronger model overall, scoring 37.8 to 36.7 on the Noometry Index.

Is Gemini 2.0 Flash-Lite or o3-mini better for coding?

o3-mini scores higher on coding benchmarks: 40.8 versus 37.9 in the Noometry coding category.

How many benchmarks do Gemini 2.0 Flash-Lite and o3-mini share?

26 benchmarks have published results for both models. Gemini 2.0 Flash-Lite has 32 scored results on Noometry and o3-mini has 51.

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