Noometry

Model comparison

Gemini 4 Argon vs GPT-4.5

Gemini 4 Argon is the stronger model overall, scoring 56.5 to 37.2 on the Noometry Index.

Last verified . 12 shared benchmarks.

Gemini 4 Argon Google

56.5

Rank #24 Confirmed

GPT-4.5 OpenAI

37.2

Rank #208 Confirmed

Summary

  • They share 12 benchmarks with published results for both. Gemini 4 Argon scores higher in 10 categories and GPT-4.5 in 0 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in math, where Gemini 4 Argon leads 73.9 to 32.6.

Side by side

Gemini 4 ArgonGPT-4.5
ProviderGoogleOpenAI
Noometry Index56.537.2
Released2026-09-302025-02-27
WeightsProprietaryProprietary
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked2142

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Category by category

Coding Gemini 4 Argon leads

Gemini 4 Argon: 62.0 (#9), GPT-4.5: 42.2 (#109)

BenchmarkGemini 4 ArgonGPT-4.5
LMArena Coding15501396
Aider Polyglot—44.9%
LMArena WebDev1678—
FrontierSWE55%—
SciCode61.8%—
WeirdML—39.4%
LiveBench Coding—75.2%

Agentic & Tool Use Gemini 4 Argon leads

Gemini 4 Argon: 49.2 (#8), GPT-4.5: 27.9 (#97)

BenchmarkGemini 4 ArgonGPT-4.5
APEX-Agents82.2%—
Cybench—17.5%
Vending-Bench 213,718—

Reasoning Gemini 4 Argon leads

Gemini 4 Argon: 44.2 (#47), GPT-4.5: 13.9 (#330)

BenchmarkGemini 4 ArgonGPT-4.5
LMArena Hard Prompts15481403
ARC-AGI-2—0.8%
SimpleBench—34.5%
ARC-AGI-1—10.3%
CritPt27.1%—
EnigmaEval—3.2%
LiveBench Reasoning—71.1%
LiveBench Data Analysis—64.3%
Epoch Capabilities Index—136.74
ForecastBench—61.7
LiveBench—69%

Math Gemini 4 Argon leads

Gemini 4 Argon: 73.9 (#17), GPT-4.5: 32.6 (#211)

BenchmarkGemini 4 ArgonGPT-4.5
LMArena Math15361412
OTIS Mock AIME 2024-2025—37.8%
ProofBench99%—
LiveBench Math—69.3%
MATH Level 5—78.6%

Knowledge Gemini 4 Argon leads

Gemini 4 Argon: 43.9 (#89), GPT-4.5: 32.5 (#211)

BenchmarkGemini 4 ArgonGPT-4.5
LMArena Expert15531394
GPQA Diamond—68.7%
Humanity's Last Exam—5.4%
Confabulations—13.6%

Multimodal Gemini 4 Argon leads

Gemini 4 Argon: 46.5 (#14), GPT-4.5: 37.6 (#71)

BenchmarkGemini 4 ArgonGPT-4.5
LMArena Vision—1195
VPCT—45%
Blueprint-Bench 254.4%—

Multilingual Gemini 4 Argon leads

Gemini 4 Argon: 60.3 (#1), GPT-4.5: 52.5 (#83)

BenchmarkGemini 4 ArgonGPT-4.5
LMArena Non-English15231413
LMArena Chinese16101421
LMArena Russian15371419
LMArena French—1418
LMArena German—1457
LMArena Japanese—1416
LMArena Korean—1392
LMArena Spanish1497—

Instruction Following Gemini 4 Argon leads

Gemini 4 Argon: 80.1 (#2), GPT-4.5: 72.6 (#134)

BenchmarkGemini 4 ArgonGPT-4.5
LMArena Instruction Following15381404
LiveBench Instruction Following—72.3%

Long Context Gemini 4 Argon leads

Gemini 4 Argon: 47.6 (#15), GPT-4.5: 40.4 (#155)

BenchmarkGemini 4 ArgonGPT-4.5
LMArena Longer Query15491406
Fiction.LiveBench—63.9%

Writing & Preference Gemini 4 Argon leads

Gemini 4 Argon: 71.4 (#19), GPT-4.5: 56.9 (#134)

BenchmarkGemini 4 ArgonGPT-4.5
LMArena Text15341417
LMArena Creative Writing15311394
LMArena Multi-Turn15571444
Short-Story Creative Writing—75.6%
EQ-Bench Creative Writing—1258
LiveBench Language—61.5%

Frequently asked questions

Is Gemini 4 Argon better than GPT-4.5?

Gemini 4 Argon is the stronger model overall, scoring 56.5 to 37.2 on the Noometry Index.

Is Gemini 4 Argon or GPT-4.5 better for coding?

Gemini 4 Argon scores higher on coding benchmarks: 62.0 versus 42.2 in the Noometry coding category.

How many benchmarks do Gemini 4 Argon and GPT-4.5 share?

12 benchmarks have published results for both models. Gemini 4 Argon has 21 scored results on Noometry and GPT-4.5 has 42.

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