Noometry

Model comparison

Gemini 3.1 Flash Lite vs GPT-4.1 mini

Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.4 to 33.5 on the Noometry Index.

Last verified . 29 shared benchmarks.

Gemini 3.1 Flash Lite Google

40.4

Rank #141 Confirmed

GPT-4.1 mini OpenAI

33.5

Rank #232 Confirmed

Summary

  • They share 29 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 8 categories and GPT-4.1 mini in 2 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in math, where Gemini 3.1 Flash Lite leads 39.5 to 23.1.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 80% for Gemini 3.1 Flash Lite and 44.7% for GPT-4.1 mini.
  • Gemini 3.1 Flash Lite is cheaper at $0.25 / $1.50 per million input/output tokens, against $0.40 / $1.60 for GPT-4.1 mini.
  • Gemini 3.1 Flash Lite accepts more context: 1.05M tokens versus 1.05M.

Side by side

Gemini 3.1 Flash LiteGPT-4.1 mini
ProviderGoogleOpenAI
Noometry Index40.433.5
Released2026-03-032025-04-14
WeightsProprietaryProprietary
Context window1.05M1.05M
Max output66K33K
Input $ / M tokens$0.25$0.40
Output $ / M tokens$1.50$1.60
Results tracked3847

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Category by category

Coding Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 37.5 (#179), GPT-4.1 mini: 30.4 (#286)

BenchmarkGemini 3.1 Flash LiteGPT-4.1 mini
SciCode41.9%40.4%
WeirdML52.2%37.6%
LMArena Coding14001367
SWE-bench Verified (bash only)—23.9%
Aider Polyglot—32.4%
LMArena WebDev1256—
BigCodeBench Instruct—48.9%
CadEval—16%
ALE-Bench797.73—

Agentic & Tool Use GPT-4.1 mini leads

Gemini 3.1 Flash Lite: 29.9 (#72), GPT-4.1 mini: 33.0 (#52)

BenchmarkGemini 3.1 Flash LiteGPT-4.1 mini
Berkeley Function Calling Leaderboard—50.5%
DeepResearch Bench37.3%—

Reasoning Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 22.3 (#181), GPT-4.1 mini: 10.9 (#335)

BenchmarkGemini 3.1 Flash LiteGPT-4.1 mini
Kagi LLM Benchmark67.2%48.6%
CritPt1.1%0%
Chess Puzzles25%7%
LMArena Hard Prompts14071349
DTBench76.8%68.8%
LMCA35%21.1%
Epoch Capabilities Index144.45135.01
ARC-AGI-2—0%
NYT Connections (extended)8.2%—
ARC-AGI-1—3.5%
EnigmaEval3%—
Thematic Generalization63.3%—
Mystery Game Puzzles—7%
ForecastBench54.4—

Math Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 39.5 (#82), GPT-4.1 mini: 23.1 (#264)

BenchmarkGemini 3.1 Flash LiteGPT-4.1 mini
FrontierMath (Tiers 1-3)27.7%6.7%
OTIS Mock AIME 2024-202580%44.7%
LMArena Math14271343
Omni-MATH—49.1%
MATH Level 5—87.3%
FrontierMath (Feb 2025 set)—4.5%

Knowledge Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 41.7 (#95), GPT-4.1 mini: 34.7 (#183)

BenchmarkGemini 3.1 Flash LiteGPT-4.1 mini
GPQA Diamond81.8%65.8%
LMArena Expert13971338
Humanity's Last Exam8.6%—
SimpleQA Verified—12.7%
MMLU-Pro—78.3%
Vectara Hallucination Rate8.2%—
GPQA (HELM)—61.4%

Multimodal Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 38.7 (#57), GPT-4.1 mini: 35.2 (#77)

BenchmarkGemini 3.1 Flash LiteGPT-4.1 mini
LMArena Vision12401181

Multilingual Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 52.5 (#82), GPT-4.1 mini: 45.9 (#161)

BenchmarkGemini 3.1 Flash LiteGPT-4.1 mini
LMArena Non-English14101318
LMArena Chinese14611329
LMArena French14231357
LMArena German14291349
LMArena Japanese14111291
LMArena Korean13931298
LMArena Russian14201324
LMArena Spanish14201319

Instruction Following GPT-4.1 mini leads

Gemini 3.1 Flash Lite: 72.9 (#126), GPT-4.1 mini: 73.9 (#113)

BenchmarkGemini 3.1 Flash LiteGPT-4.1 mini
LMArena Instruction Following13761332
IFEval—90.4%

Long Context Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 42.5 (#117), GPT-4.1 mini: 31.8 (#270)

BenchmarkGemini 3.1 Flash LiteGPT-4.1 mini
LMArena Longer Query13941344
Fiction.LiveBench—44.4%

Writing & Preference Gemini 3.1 Flash Lite leads

Gemini 3.1 Flash Lite: 61.0 (#90), GPT-4.1 mini: 48.8 (#193)

BenchmarkGemini 3.1 Flash LiteGPT-4.1 mini
LMArena Text14161341
LMArena Creative Writing14011300
LMArena Multi-Turn14171354
EQ-Bench Creative Writing—1147
WildBench—83.8%

Frequently asked questions

Is Gemini 3.1 Flash Lite better than GPT-4.1 mini?

Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.4 to 33.5 on the Noometry Index.

Which is cheaper, Gemini 3.1 Flash Lite or GPT-4.1 mini?

Gemini 3.1 Flash Lite is cheaper. It lists at $0.25 per million input tokens and $1.50 per million output tokens; GPT-4.1 mini lists at $0.40 and $1.60.

Is Gemini 3.1 Flash Lite or GPT-4.1 mini better for coding?

Gemini 3.1 Flash Lite scores higher on coding benchmarks: 37.5 versus 30.4 in the Noometry coding category.

Which has the bigger context window?

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

How many benchmarks do Gemini 3.1 Flash Lite and GPT-4.1 mini share?

29 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and GPT-4.1 mini has 47.

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