Noometry

Model comparison

Gemini 3.1 Pro Preview vs GPT-4 Turbo

Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 30.3 on the Noometry Index.

Last verified . 29 shared benchmarks.

Gemini 3.1 Pro Preview Google

56.7

Rank #20 Confirmed

GPT-4 Turbo OpenAI

30.3

Rank #281 Confirmed

Summary

  • They share 29 benchmarks with published results for both. Gemini 3.1 Pro Preview scores higher in 9 categories and GPT-4 Turbo 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 14.9.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 95.6% for Gemini 3.1 Pro Preview and 6.7% for GPT-4 Turbo.
  • Gemini 3.1 Pro Preview is cheaper at $2 / $12 per million input/output tokens, against $10 / $30 for GPT-4 Turbo.
  • Gemini 3.1 Pro Preview accepts more context: 1.05M tokens versus 128K.

Side by side

Gemini 3.1 Pro PreviewGPT-4 Turbo
ProviderGoogleOpenAI
Noometry Index56.730.3
Released2026-02-192023-11-06
WeightsProprietaryProprietary
Context window1.05M128K
Max output66K4K
Input $ / M tokens$2$10
Output $ / M tokens$12$30
Results tracked7136

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Category by category

Coding Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 42.7 (#88), GPT-4 Turbo: 33.4 (#247)

BenchmarkGemini 3.1 Pro PreviewGPT-4 Turbo
WeirdML72.1%18%
LMArena Coding14831268
SWE-bench Verified75.6%—
DeepSWE11.7%—
LMArena WebDev1446—
SciCode58.9%—
GSO22.6%—
BigCodeBench Instruct—48.2%
MirrorCode8.9%—
BigCodeBench Complete—58.2%
ALE-Bench1,161—
AlgoTune2.02—
HumanEval+—86.6%
MBPP+—73.3%

Agentic & Tool Use Not comparable

Gemini 3.1 Pro Preview: 37.7 (#33), GPT-4 Turbo: —

BenchmarkGemini 3.1 Pro PreviewGPT-4 Turbo
METR Time Horizons77%36.7%
Terminal-Bench80.2%—
APEX-Agents35.3%—
τ²-bench Banking26%—
DeepResearch Bench47.8%—
PostTrainBench22%—
BALROG57%—
ExploitBench26.1%—
GBAEval0.8%—
GDP.pdf17%—
LMArena Search1211—
Vending-Bench 23,774—

Reasoning Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 71.7 (#9), GPT-4 Turbo: 14.9 (#311)

BenchmarkGemini 3.1 Pro PreviewGPT-4 Turbo
SimpleBench79.6%25.1%
Chess Puzzles55%6%
LMArena Hard Prompts14841251
DTBench97.1%61.6%
LMCA53.8%9.8%
Epoch Capabilities Index154.92127.25
ForecastBench5959.4
ARC-AGI-277.1%—
NYT Connections (extended)97.4%—
ARC-AGI-198%—
CritPt17.7%—
EnigmaEval36.8%—
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 Turbo: 8.6 (#316)

BenchmarkGemini 3.1 Pro PreviewGPT-4 Turbo
FrontierMath (Tiers 1-3)59.6%0.7%
OTIS Mock AIME 2024-202595.6%6.7%
LMArena Math14851272
FrontierMath Tier 426.8%—
MathArena Final-Answer Competitions86.5%—
ProofBench26%—
MATH Level 5—46.7%
FrontierMath (Feb 2025 set)36.9%—
FrontierMath Tier 4 (v1)16.7%—

Knowledge Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 71.8 (#3), GPT-4 Turbo: 24.3 (#263)

BenchmarkGemini 3.1 Pro PreviewGPT-4 Turbo
GPQA Diamond94.4%46.6%
LMArena Expert14841223
Humanity's Last Exam46.4%—
SimpleQA Verified73.5%—
Confabulations—28.4%
Vectara Hallucination Rate10.4%—
MMLU—81.3%

Multimodal Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 38.1 (#60), GPT-4 Turbo: 30.0 (#104)

BenchmarkGemini 3.1 Pro PreviewGPT-4 Turbo
LMArena Vision12961090
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 Turbo: 40.7 (#211)

BenchmarkGemini 3.1 Pro PreviewGPT-4 Turbo
LMArena Non-English14751245
LMArena Chinese15281242
LMArena French14881275
LMArena German14911259
LMArena Japanese14941194
LMArena Korean14581187
LMArena Russian14961259
LMArena Spanish14801260

Instruction Following Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 77.1 (#31), GPT-4 Turbo: 66.0 (#211)

BenchmarkGemini 3.1 Pro PreviewGPT-4 Turbo
LMArena Instruction Following14651250

Long Context Gemini 3.1 Pro Preview leads

Gemini 3.1 Pro Preview: 47.3 (#17), GPT-4 Turbo: 38.0 (#200)

BenchmarkGemini 3.1 Pro PreviewGPT-4 Turbo
LMArena Longer Query14821254
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 Turbo: 47.9 (#201)

BenchmarkGemini 3.1 Pro PreviewGPT-4 Turbo
LMArena Text14801272
LMArena Creative Writing14821269
LMArena Multi-Turn14861267
EQ-Bench Creative Writing1491—
EQ-Bench 41142—

Frequently asked questions

Is Gemini 3.1 Pro Preview better than GPT-4 Turbo?

Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 30.3 on the Noometry Index.

Which is cheaper, Gemini 3.1 Pro Preview or GPT-4 Turbo?

Gemini 3.1 Pro Preview is cheaper. It lists at $2 per million input tokens and $12 per million output tokens; GPT-4 Turbo lists at $10 and $30.

Is Gemini 3.1 Pro Preview or GPT-4 Turbo better for coding?

Gemini 3.1 Pro Preview scores higher on coding benchmarks: 42.7 versus 33.4 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.1 Pro Preview does, with 1.05M tokens against 128K.

How many benchmarks do Gemini 3.1 Pro Preview and GPT-4 Turbo share?

29 benchmarks have published results for both models. Gemini 3.1 Pro Preview has 71 scored results on Noometry and GPT-4 Turbo has 36.

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