Noometry

Model comparison

Gemini 3.1 Flash Lite vs o1-pro

Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.8 to 31.5 on the Noometry Index.

Last verified . 2 shared benchmarks.

Gemini 3.1 Flash Lite Google

40.8

Rank #144 Confirmed

o1-pro OpenAI

31.5

Rank #271 Reported

Summary

  • They share 2 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 2 categories and o1-pro in 0 categories; 2 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Gemini 3.1 Flash Lite leads 41.9 to 29.7.
  • Gemini 3.1 Flash Lite is cheaper at $0.25 / $1.50 per million input/output tokens, against $150 / $600 for o1-pro.
  • Gemini 3.1 Flash Lite accepts more context: 1.05M tokens versus 200K.

Side by side

Gemini 3.1 Flash Liteo1-pro
ProviderGoogleOpenAI
Noometry Index40.831.5
Released2026-03-032025-03-19
WeightsProprietaryProprietary
Context window1.05M200K
Max output66K100K
Input $ / M tokens$0.25$150
Output $ / M tokens$1.50$600
Results tracked383

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Category by category

Coding Not comparable

Gemini 3.1 Flash Lite: 37.8 (#188), o1-pro: —

BenchmarkGemini 3.1 Flash Liteo1-pro
LMArena WebDev1256—
SciCode41.9%—
WeirdML52.2%—
LMArena Coding1400—
ALE-Bench797.73—

Agentic & Tool Use Not comparable

Gemini 3.1 Flash Lite: 30.2 (#79), o1-pro: —

BenchmarkGemini 3.1 Flash Liteo1-pro
DeepResearch Bench37.3%—

Reasoning Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 22.9 (#186), o1-pro: 20.4 (#239)

BenchmarkGemini 3.1 Flash Liteo1-pro
EnigmaEval3%6.1%
Kagi LLM Benchmark67.2%—
NYT Connections (extended)8.2%—
ARC-AGI-1—23.3%
CritPt1.1%—
Chess Puzzles25%—
Thematic Generalization63.3%—
LMArena Hard Prompts1407—
DTBench76.8%—
LMCA35%—
Epoch Capabilities Index144.47—
ForecastBench54.4—

Math Not comparable

Gemini 3.1 Flash Lite: 40.7 (#90), o1-pro: —

BenchmarkGemini 3.1 Flash Liteo1-pro
FrontierMath (Tiers 1-3)27.7%—
OTIS Mock AIME 2024-202580%—
LMArena Math1428—

Knowledge Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 41.9 (#104), o1-pro: 29.7 (#234)

BenchmarkGemini 3.1 Flash Liteo1-pro
Humanity's Last Exam8.6%8.1%
GPQA Diamond81.8%—
Vectara Hallucination Rate8.2%—
LMArena Expert1398—

Multimodal Not comparable

Gemini 3.1 Flash Lite: 39.4 (#60), o1-pro: —

BenchmarkGemini 3.1 Flash Liteo1-pro
LMArena Vision1240—

Multilingual Not comparable

Gemini 3.1 Flash Lite: 52.3 (#86), o1-pro: —

BenchmarkGemini 3.1 Flash Liteo1-pro
LMArena Non-English1411—
LMArena Chinese1461—
LMArena French1424—
LMArena German1429—
LMArena Japanese1413—
LMArena Korean1392—
LMArena Russian1420—
LMArena Spanish1421—

Instruction Following Not comparable

Gemini 3.1 Flash Lite: 72.7 (#131), o1-pro: —

BenchmarkGemini 3.1 Flash Liteo1-pro
LMArena Instruction Following1377—

Long Context Not comparable

Gemini 3.1 Flash Lite: 42.5 (#122), o1-pro: —

BenchmarkGemini 3.1 Flash Liteo1-pro
LMArena Longer Query1394—

Writing & Preference Not comparable

Gemini 3.1 Flash Lite: 60.9 (#94), o1-pro: —

BenchmarkGemini 3.1 Flash Liteo1-pro
LMArena Text1416—
LMArena Creative Writing1401—
LMArena Multi-Turn1417—

Frequently asked questions

Is Gemini 3.1 Flash Lite better than o1-pro?

Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.8 to 31.5 on the Noometry Index.

Which is cheaper, Gemini 3.1 Flash Lite or o1-pro?

Gemini 3.1 Flash Lite is cheaper. It lists at $0.25 per million input tokens and $1.50 per million output tokens; o1-pro lists at $150 and $600.

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-pro share?

2 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and o1-pro has 3.

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