Noometry

Model comparison

Gemini 3.1 Pro Preview vs GPT-4.1 mini

Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 33.6 on the Noometry Index. GPT-4.1 mini costs 6.4× less per token, which makes it the better buy when Gemini 3.1 Pro Preview's lead doesn't matter for your workload.

Last verified . 34 shared benchmarks.

Gemini 3.1 Pro Preview Google

56.7

Rank #23 Confirmed

GPT-4.1 mini OpenAI

33.6

Rank #240 Confirmed

Summary

  • They share 34 benchmarks with published results for both. Gemini 3.1 Pro Preview scores higher in 10 categories and GPT-4.1 mini in 0 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.1 Pro Preview leads 71.7 to 10.8.
  • The biggest single-benchmark swing is ARC-AGI-1: 98% for Gemini 3.1 Pro Preview and 3.5% for GPT-4.1 mini.
  • GPT-4.1 mini is cheaper at $0.40 / $1.60 per million input/output tokens, against $2 / $12 for Gemini 3.1 Pro Preview.
  • Gemini 3.1 Pro Preview accepts more context: 1.05M tokens versus 1.05M.

Side by side

Gemini 3.1 Pro PreviewGPT-4.1 mini
ProviderGoogleOpenAI
Noometry Index56.733.6
Released2026-02-192025-04-14
WeightsProprietaryProprietary
Context window1.05M1.05M
Max output66K33K
Input $ / M tokens$2$0.40
Output $ / M tokens$12$1.60
Results tracked7147

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Category by category

Coding Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 42.5 (#99), GPT-4.1 mini: 30.6 (#293)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1 mini
SciCode58.9%40.4%
WeirdML72.1%37.6%
LMArena Coding14841367
SWE-bench Verified75.6%—
DeepSWE11.7%—
SWE-bench Verified (bash only)—23.9%
Aider Polyglot—32.4%
LMArena WebDev1447—
GSO22.6%—
BigCodeBench Instruct—48.9%
MirrorCode8.9%—
CadEval—16%
ALE-Bench1,161—
AlgoTune2.02—

Agentic & Tool Use Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 37.7 (#34), GPT-4.1 mini: 33.3 (#55)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1 mini
Terminal-Bench80.2%—
APEX-Agents35.3%—
Berkeley Function Calling Leaderboard—50.5%
τ²-bench Banking26%—
DeepResearch Bench47.8%—
PostTrainBench22%—
BALROG57%—
ExploitBench26.1%—
GBAEval0.8%—
GDP.pdf17%—
LMArena Search1211—
METR Time Horizons77%—
Vending-Bench 23,774—

Reasoning Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 71.7 (#12), GPT-4.1 mini: 10.8 (#340)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1 mini
ARC-AGI-277.1%0%
ARC-AGI-198%3.5%
CritPt17.7%0%
Chess Puzzles55%7%
LMArena Hard Prompts14851349
Mystery Game Puzzles34%7%
DTBench97.1%68.8%
LMCA53.8%21.1%
Epoch Capabilities Index154.77135.01
SimpleBench79.6%—
Kagi LLM Benchmark—48.6%
NYT Connections (extended)97.4%—
EnigmaEval36.8%—
Thematic Generalization79.4%—
EBR-Bench14.3%—
ForecastBench59—

Math Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 62.1 (#34), GPT-4.1 mini: 24.1 (#270)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1 mini
FrontierMath (Tiers 1-3)59.6%6.7%
OTIS Mock AIME 2024-202595.6%44.7%
LMArena Math14851343
FrontierMath (Feb 2025 set)36.9%4.5%
FrontierMath Tier 426.8%—
MathArena Final-Answer Competitions86.5%—
ProofBench26%—
Omni-MATH—49.1%
MATH Level 5—87.3%
FrontierMath Tier 4 (v1)16.7%—

Knowledge Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 71.8 (#3), GPT-4.1 mini: 34.7 (#194)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1 mini
GPQA Diamond94.4%65.8%
SimpleQA Verified73.5%12.7%
LMArena Expert14851338
Humanity's Last Exam46.4%—
MMLU-Pro—78.3%
Vectara Hallucination Rate10.4%—
GPQA (HELM)—61.4%

Multimodal Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 37.9 (#69), GPT-4.1 mini: 35.8 (#82)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1 mini
LMArena Vision12961181
Blueprint-Bench 226.5%—
Furniture Assembly26.7%—
LMArena Document1444—

Multilingual Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 57.0 (#12), GPT-4.1 mini: 45.7 (#166)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1 mini
LMArena Non-English14771318
LMArena Chinese15291329
LMArena French14871358
LMArena German14911351
LMArena Japanese14931290
LMArena Korean14551298
LMArena Russian14981324
LMArena Spanish14791319

Instruction Following Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 77.0 (#32), GPT-4.1 mini: 73.7 (#118)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1 mini
LMArena Instruction Following14661333
IFEval—90.4%

Long Context Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 47.4 (#18), GPT-4.1 mini: 31.8 (#275)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1 mini
LMArena Longer Query14831344
Fiction.LiveBench—44.4%
CL-bench20.8%—
CL-bench Life16.9%—

Writing & Preference Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 66.1 (#37), GPT-4.1 mini: 48.6 (#199)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1 mini
LMArena Text14811340
LMArena Creative Writing14821300
EQ-Bench Creative Writing14911147
LMArena Multi-Turn14881354
WildBench—83.8%
EQ-Bench 41142—

Frequently asked questions

Is Gemini 3.1 Pro Preview better than GPT-4.1 mini?

Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 33.6 on the Noometry Index. GPT-4.1 mini costs 6.4× less per token, which makes it the better buy when Gemini 3.1 Pro Preview's lead doesn't matter for your workload.

Which is cheaper, Gemini 3.1 Pro Preview or GPT-4.1 mini?

GPT-4.1 mini is cheaper. It lists at $0.40 per million input tokens and $1.60 per million output tokens; Gemini 3.1 Pro Preview lists at $2 and $12.

Is Gemini 3.1 Pro Preview or GPT-4.1 mini better for coding?

Gemini 3.1 Pro Preview scores higher on coding benchmarks: 42.5 versus 30.6 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.1 Pro Preview does, with 1.05M tokens against 1.05M.

How many benchmarks do Gemini 3.1 Pro Preview and GPT-4.1 mini share?

34 benchmarks have published results for both models. Gemini 3.1 Pro Preview has 71 scored results on Noometry and GPT-4.1 mini has 47.

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