Noometry

Model comparison

Gemini 3.1 Pro Preview vs GPT-4.1

Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 35.7 on the Noometry Index.

Last verified . 39 shared benchmarks.

Gemini 3.1 Pro Preview Google

56.7

Rank #20 Confirmed

GPT-4.1 OpenAI

35.7

Rank #215 Confirmed

Summary

  • They share 39 benchmarks with published results for both. Gemini 3.1 Pro Preview scores higher in 10 categories and GPT-4.1 in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.1 Pro Preview leads 71.7 to 11.7.
  • The biggest single-benchmark swing is ARC-AGI-1: 98% for Gemini 3.1 Pro Preview and 5.5% for GPT-4.1.
  • GPT-4.1 is cheaper at $2 / $8 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
ProviderGoogleOpenAI
Noometry Index56.735.7
Released2026-02-192025-04-14
WeightsProprietaryProprietary
Context window1.05M1.05M
Max output66K33K
Input $ / M tokens$2$2
Output $ / M tokens$12$8
Results tracked7152

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Category by category

Coding Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 42.7 (#88), GPT-4.1: 34.2 (#228)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1
SWE-bench Verified75.6%48.5%
WeirdML72.1%39%
LMArena Coding14831391
ALE-Bench1,161558.1
DeepSWE11.7%—
SWE-bench Verified (bash only)—39.6%
Aider Polyglot—52.4%
LMArena WebDev1446—
SciCode58.9%—
GSO22.6%—
MirrorCode8.9%—
CadEval—42%
AlgoTune2.02—

Agentic & Tool Use Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 37.7 (#33), GPT-4.1: 34.4 (#40)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1
Terminal-Bench80.2%—
APEX-Agents35.3%—
Berkeley Function Calling Leaderboard—54%
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 (#9), GPT-4.1: 11.7 (#334)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1
ARC-AGI-277.1%0.4%
SimpleBench79.6%27%
ARC-AGI-198%5.5%
Chess Puzzles55%6%
EnigmaEval36.8%2.2%
LMArena Hard Prompts14841384
DTBench97.1%68.3%
LMCA53.8%25.6%
Epoch Capabilities Index154.92136.79
ForecastBench5961.5
Kagi LLM Benchmark—52.3%
NYT Connections (extended)97.4%—
CritPt17.7%—
Thematic Generalization79.4%—
EBR-Bench14.3%—
Mystery Game Puzzles34%—

Math Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 61.8 (#28), GPT-4.1: 21.4 (#269)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1
FrontierMath (Tiers 1-3)59.6%6%
OTIS Mock AIME 2024-202595.6%38.3%
LMArena Math14851369
FrontierMath (Feb 2025 set)36.9%5.5%
FrontierMath Tier 4 (v1)16.7%0%
FrontierMath Tier 426.8%—
MathArena Final-Answer Competitions86.5%—
ProofBench26%—
Omni-MATH—47.1%
MATH Level 5—83%

Knowledge Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 71.8 (#3), GPT-4.1: 37.0 (#152)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1
GPQA Diamond94.4%66.9%
Humanity's Last Exam46.4%5.4%
SimpleQA Verified73.5%31.1%
Vectara Hallucination Rate10.4%5.6%
LMArena Expert14841364
MMLU-Pro—81.1%
GPQA (HELM)—65.9%

Multimodal Too close to call

Gemini 3.1 Pro Preview: 38.1 (#60), GPT-4.1: 37.5 (#66)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1
LMArena Vision12961210
GeoBench—72%
Blueprint-Bench 226.5%—
Furniture Assembly26.7%—
LMArena Document1444—

Multilingual Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 57.1 (#11), GPT-4.1: 49.6 (#128)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1
LMArena Non-English14751370
LMArena Chinese15281382
LMArena French14881383
LMArena German14911380
LMArena Japanese14941320
LMArena Korean14581339
LMArena Russian14961377
LMArena Spanish14801375

Instruction Following Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 77.1 (#31), GPT-4.1: 71.5 (#148)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1
LMArena Instruction Following14651367
IFEval—83.8%

Long Context Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 47.3 (#17), GPT-4.1: 40.0 (#158)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1
LMArena Longer Query14821385
Fiction.LiveBench—63.9%
CL-bench20.8%—
CL-bench Life16.9%—

Writing & Preference Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 66.3 (#36), GPT-4.1: 57.8 (#120)

BenchmarkGemini 3.1 Pro PreviewGPT-4.1
LMArena Text14801383
LMArena Creative Writing14821363
EQ-Bench Creative Writing14911420
LMArena Multi-Turn14861398
WildBench—85.4%
EQ-Bench 41142—

Frequently asked questions

Is Gemini 3.1 Pro Preview better than GPT-4.1?

Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 35.7 on the Noometry Index.

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

GPT-4.1 is cheaper. It lists at $2 per million input tokens and $8 per million output tokens; Gemini 3.1 Pro Preview lists at $2 and $12.

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

Gemini 3.1 Pro Preview scores higher on coding benchmarks: 42.7 versus 34.2 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 share?

39 benchmarks have published results for both models. Gemini 3.1 Pro Preview has 71 scored results on Noometry and GPT-4.1 has 52.

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