Model comparison

Gemini 4 Argon vs GPT-5

Gemini 4 Argon is the stronger model overall, scoring 56.5 to 50.9 on the Noometry Index.

Last verified . 17 shared benchmarks.

Gemini 4 Argon Google

56.5

Rank #24 Confirmed

GPT-5 OpenAI

50.9

Rank #45 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Gemini 4 Argon scores higher in 7 categories and GPT-5 in 3 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in long context, where GPT-5 leads 69.5 to 47.6.
  • The biggest single-benchmark swing is ProofBench: 99% for Gemini 4 Argon and 18% for GPT-5.

Side by side

Gemini 4 Argon and GPT-5 specifications
Gemini 4 ArgonGPT-5
ProviderGoogleOpenAI
Noometry Index56.550.9
Released2026-09-302025-08-07
WeightsProprietaryProprietary
Context window—400K
Max output—128K
Input $ / M tokens—$1.25
Output $ / M tokens—$10
Results tracked2169

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Category by category

Coding Gemini 4 Argon leads

Gemini 4 Argon: 62.0 (#9), GPT-5: 50.3 (#47)

Coding benchmarks
BenchmarkGemini 4 ArgonGPT-5
LMArena WebDev16781418
SciCode61.8%42.9%
LMArena Coding15501436
SWE-bench Verified—73.6%
SWE-bench Verified (bash only)—65%
Aider Polyglot—88%
FrontierSWE55%—
GSO—6.9%
WeirdML—60.7%
ALE-Bench—1,162
AlgoTune—1.67

Agentic & Tool Use Gemini 4 Argon leads

Gemini 4 Argon: 49.2 (#8), GPT-5: 33.1 (#56)

Agentic & Tool Use benchmarks
BenchmarkGemini 4 ArgonGPT-5
Terminal-Bench—49.6%
APEX-Agents82.2%—
GDPval—34.8%
Remote Labor Index—1.7%
DeepResearch Bench—49.6%
BALROG—32.8%
LMArena Search—1133
METR Time Horizons—69.6%
Vending-Bench 213,718—

Reasoning Gemini 4 Argon leads

Gemini 4 Argon: 44.2 (#47), GPT-5: 38.3 (#64)

Reasoning benchmarks
BenchmarkGemini 4 ArgonGPT-5
CritPt27.1%12.6%
LMArena Hard Prompts15481416
ARC-AGI-2—9.9%
SimpleBench—56.7%
Kagi LLM Benchmark—72.7%
ARC-AGI-1—65.7%
Chess Puzzles—37%
EnigmaEval—10.5%
EBR-Bench—12.7%
Mystery Game Puzzles—23%
DTBench—90.7%
LMCA—40%
Epoch Capabilities Index—150
ForecastBench—61.4

Math Gemini 4 Argon leads

Gemini 4 Argon: 73.9 (#17), GPT-5: 55.0 (#44)

Math benchmarks
BenchmarkGemini 4 ArgonGPT-5
ProofBench99%18%
LMArena Math15361407
FrontierMath (Tiers 1-3)—55.4%
FrontierMath Tier 4—22%
OTIS Mock AIME 2024-2025—91.4%
Omni-MATH—64.7%
MATH Level 5—98.1%
FrontierMath (Feb 2025 set)—32.4%
FrontierMath Tier 4 (v1)—12.5%

Knowledge GPT-5 leads

Gemini 4 Argon: 43.9 (#89), GPT-5: 56.6 (#43)

Knowledge benchmarks
BenchmarkGemini 4 ArgonGPT-5
LMArena Expert15531419
GPQA Diamond—86.2%
Humanity's Last Exam—25.3%
SimpleQA Verified—50.1%
MMLU-Pro—86.3%
Confabulations—10.3%
Vectara Hallucination Rate—14.7%
GPQA (HELM)—79.2%

Multimodal Too close to call

Gemini 4 Argon: 46.5 (#14), GPT-5: 46.8 (#13)

Multimodal benchmarks
BenchmarkGemini 4 ArgonGPT-5
LMArena Vision—1232
GeoBench—81%
VPCT—66%
Blueprint-Bench 254.4%—

Multilingual Gemini 4 Argon leads

Gemini 4 Argon: 60.3 (#1), GPT-5: 51.4 (#110)

Multilingual benchmarks
BenchmarkGemini 4 ArgonGPT-5
LMArena Non-English15231397
LMArena Chinese16101422
LMArena Russian15371406
LMArena Spanish14971399
LMArena French—1410
LMArena German—1416
LMArena Japanese—1409
LMArena Korean—1360

Instruction Following Gemini 4 Argon leads

Gemini 4 Argon: 80.1 (#2), GPT-5: 73.8 (#113)

Instruction Following benchmarks
BenchmarkGemini 4 ArgonGPT-5
LMArena Instruction Following15381388
IFEval—87.5%

Long Context GPT-5 leads

Gemini 4 Argon: 47.6 (#15), GPT-5: 69.5 (#2)

Long Context benchmarks
BenchmarkGemini 4 ArgonGPT-5
LMArena Longer Query15491399
Fiction.LiveBench—97.2%

Writing & Preference Gemini 4 Argon leads

Gemini 4 Argon: 71.4 (#19), GPT-5: 63.4 (#65)

Writing & Preference benchmarks
BenchmarkGemini 4 ArgonGPT-5
LMArena Text15341406
LMArena Creative Writing15311365
LMArena Multi-Turn15571426
Short-Story Creative Writing—86%
EQ-Bench Creative Writing—1627
WildBench—85.7%

Frequently asked questions

Is Gemini 4 Argon better than GPT-5?

Gemini 4 Argon is the stronger model overall, scoring 56.5 to 50.9 on the Noometry Index.

Is Gemini 4 Argon or GPT-5 better for coding?

Gemini 4 Argon scores higher on coding benchmarks: 62.0 versus 50.3 in the Noometry coding category.

How many benchmarks do Gemini 4 Argon and GPT-5 share?

17 benchmarks have published results for both models. Gemini 4 Argon has 21 scored results on Noometry and GPT-5 has 69.

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