Model comparison

Gemini 3.1 Flash Lite vs o1

Gemini 3.1 Flash Lite and o1 score almost the same on the Noometry Index (40.8 vs 40.9), so choose on price, context window or the category you care about most.

Last verified . 28 shared benchmarks.

Gemini 3.1 Flash Lite Google

40.8

Rank #144 Confirmed

o1 OpenAI

40.9

Rank #143 Confirmed

Summary

  • They share 28 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 6 categories and o1 in 4 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in coding, where o1 leads 46.1 to 37.8.
  • The biggest single-benchmark swing is FrontierMath (Tiers 1-3): 27.7% for Gemini 3.1 Flash Lite and 14.7% for o1.
  • Gemini 3.1 Flash Lite is cheaper at $0.25 / $1.50 per million input/output tokens, against $15 / $60 for o1.
  • Gemini 3.1 Flash Lite accepts more context: 1.05M tokens versus 200K.

Side by side

Gemini 3.1 Flash Lite and o1 specifications
Gemini 3.1 Flash Liteo1
ProviderGoogleOpenAI
Noometry Index40.840.9
Released2026-03-032024-09-12
WeightsProprietaryProprietary
Context window1.05M200K
Max output66K100K
Input $ / M tokens$0.25$15
Output $ / M tokens$1.50$60
Results tracked3852

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Category by category

Coding o1 leads

Gemini 3.1 Flash Lite: 37.8 (#188), o1: 46.1 (#70)

Coding benchmarks
BenchmarkGemini 3.1 Flash Liteo1
WeirdML52.2%47.6%
LMArena Coding14001367
Aider Polyglot—61.7%
LMArena WebDev1256—
SciCode41.9%—
LiveBench Coding—69.7%
CadEval—56%
ALE-Bench797.73—
HumanEval+—89%
MBPP+—80.2%

Agentic & Tool Use Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 30.2 (#79), o1: 24.6 (#117)

Agentic & Tool Use benchmarks
BenchmarkGemini 3.1 Flash Liteo1
Cybench—10%
DeepResearch Bench37.3%—
METR Time Horizons—51.1%

Reasoning o1 leads

Gemini 3.1 Flash Lite: 22.9 (#186), o1: 27.9 (#111)

Reasoning benchmarks
BenchmarkGemini 3.1 Flash Liteo1
Chess Puzzles25%15%
EnigmaEval3%5.7%
LMArena Hard Prompts14071371
DTBench76.8%74.7%
LMCA35%22.3%
Epoch Capabilities Index144.47141.91
SimpleBench—41.7%
Kagi LLM Benchmark67.2%—
NYT Connections (extended)8.2%—
ARC-AGI-1—30.7%
CritPt1.1%—
Thematic Generalization63.3%—
LiveBench Reasoning—91.6%
LiveBench Data Analysis—65.5%
ForecastBench54.4—
LiveBench—75.7%

Math Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 40.7 (#90), o1: 36.1 (#175)

Math benchmarks
BenchmarkGemini 3.1 Flash Liteo1
FrontierMath (Tiers 1-3)27.7%14.7%
OTIS Mock AIME 2024-202580%73.3%
LMArena Math14281388
LiveBench Math—80.3%
MATH Level 5—94.7%
FrontierMath (Feb 2025 set)—9.3%

Knowledge Too close to call

Gemini 3.1 Flash Lite: 41.9 (#104), o1: 41.5 (#110)

Knowledge benchmarks
BenchmarkGemini 3.1 Flash Liteo1
GPQA Diamond81.8%76.8%
Humanity's Last Exam8.6%8%
LMArena Expert13981361
SimpleQA Verified—41.1%
Confabulations—11.7%
Vectara Hallucination Rate8.2%—

Multimodal Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 39.4 (#60), o1: 34.2 (#93)

Multimodal benchmarks
BenchmarkGemini 3.1 Flash Liteo1
LMArena Vision12401168
GeoBench—80%
VPCT—37%
SpatialViz-Bench—41.4%

Multilingual Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 52.3 (#86), o1: 48.6 (#142)

Multilingual benchmarks
BenchmarkGemini 3.1 Flash Liteo1
LMArena Non-English14111358
LMArena Chinese14611394
LMArena French14241344
LMArena German14291337
LMArena Japanese14131346
LMArena Korean13921396
LMArena Russian14201356
LMArena Spanish14211345

Instruction Following o1 leads

Gemini 3.1 Flash Lite: 72.7 (#131), o1: 74.8 (#86)

Instruction Following benchmarks
BenchmarkGemini 3.1 Flash Liteo1
LMArena Instruction Following13771367
LiveBench Instruction Following—81.5%

Long Context o1 leads

Gemini 3.1 Flash Lite: 42.5 (#122), o1: 50.3 (#9)

Long Context benchmarks
BenchmarkGemini 3.1 Flash Liteo1
LMArena Longer Query13941378
Fiction.LiveBench—83.3%

Writing & Preference Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 60.9 (#94), o1: 55.6 (#144)

Writing & Preference benchmarks
BenchmarkGemini 3.1 Flash Liteo1
LMArena Text14161366
LMArena Creative Writing14011348
LMArena Multi-Turn14171369
Short-Story Creative Writing—70.2%
LiveBench Language—65.4%

Frequently asked questions

Is Gemini 3.1 Flash Lite better than o1?

Gemini 3.1 Flash Lite and o1 score almost the same on the Noometry Index (40.8 vs 40.9), so choose on price, context window or the category you care about most.

Which is cheaper, Gemini 3.1 Flash Lite or o1?

Gemini 3.1 Flash Lite is cheaper. It lists at $0.25 per million input tokens and $1.50 per million output tokens; o1 lists at $15 and $60.

Is Gemini 3.1 Flash Lite or o1 better for coding?

o1 scores higher on coding benchmarks: 46.1 versus 37.8 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.1 Flash Lite does, with 1.05M tokens against 200K.

How many benchmarks do Gemini 3.1 Flash Lite and o1 share?

28 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and o1 has 52.

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