Model comparison

Gemini 4 Argon vs GPT-5 Mini

Gemini 4 Argon is the stronger model overall, scoring 56.5 to 41.8 on the Noometry Index.

Last verified . 17 shared benchmarks.

Gemini 4 Argon Google

56.5

Rank #24 Confirmed

GPT-5 Mini OpenAI

41.8

Rank #128 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Gemini 4 Argon scores higher in 9 categories and GPT-5 Mini in 1 category; 10 gaps are clear of the uncertainty.
  • The widest gap is in math, where Gemini 4 Argon leads 73.9 to 46.7.
  • The biggest single-benchmark swing is ProofBench: 99% for Gemini 4 Argon and 9% for GPT-5 Mini.

Side by side

Gemini 4 Argon and GPT-5 Mini specifications
Gemini 4 ArgonGPT-5 Mini
ProviderGoogleOpenAI
Noometry Index56.541.8
Released2026-09-302025-08-07
WeightsProprietaryProprietary
Context window—400K
Max output—128K
Input $ / M tokens—$0.25
Output $ / M tokens—$2
Results tracked2160

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Category by category

Coding Gemini 4 Argon leads

Gemini 4 Argon: 62.0 (#9), GPT-5 Mini: 40.1 (#146)

Coding benchmarks
BenchmarkGemini 4 ArgonGPT-5 Mini
SciCode61.8%39.2%
LMArena Coding15501406
SWE-bench Verified—64.7%
SWE-bench Verified (bash only)—59.8%
LMArena WebDev1678—
SWE-bench Multilingual—39.7%
FrontierSWE55%—
WeirdML—52.7%
ALE-Bench—799.77
AlgoTune—1.38

Agentic & Tool Use Gemini 4 Argon leads

Gemini 4 Argon: 49.2 (#8), GPT-5 Mini: 31.1 (#70)

Agentic & Tool Use benchmarks
BenchmarkGemini 4 ArgonGPT-5 Mini
Vending-Bench 213,718-31.18
Terminal-Bench—34.8%
APEX-Agents82.2%—
Berkeley Function Calling Leaderboard—55.5%

Reasoning Gemini 4 Argon leads

Gemini 4 Argon: 44.2 (#47), GPT-5 Mini: 23.9 (#168)

Reasoning benchmarks
BenchmarkGemini 4 ArgonGPT-5 Mini
CritPt27.1%0%
LMArena Hard Prompts15481380
ARC-AGI-2—4.4%
Kagi LLM Benchmark—70.3%
ARC-AGI-1—54.3%
Chess Puzzles—30%
EnigmaEval—8.2%
Mystery Game Puzzles—10%
DTBench—80.5%
LMCA—34.2%
Epoch Capabilities Index—145.52
ForecastBench—61

Math Gemini 4 Argon leads

Gemini 4 Argon: 73.9 (#17), GPT-5 Mini: 46.7 (#69)

Math benchmarks
BenchmarkGemini 4 ArgonGPT-5 Mini
ProofBench99%9%
LMArena Math15361378
FrontierMath (Tiers 1-3)—46.7%
FrontierMath Tier 4—12.2%
OTIS Mock AIME 2024-2025—86.7%
Omni-MATH—72.2%
MATH Level 5—97.8%
FrontierMath (Feb 2025 set)—27.2%
FrontierMath Tier 4 (v1)—6.3%

Knowledge GPT-5 Mini leads

Gemini 4 Argon: 43.9 (#89), GPT-5 Mini: 45.6 (#86)

Knowledge benchmarks
BenchmarkGemini 4 ArgonGPT-5 Mini
LMArena Expert15531379
GPQA Diamond—75%
Humanity's Last Exam—19.4%
SimpleQA Verified—21.6%
MMLU-Pro—83.5%
Confabulations—13.3%
Vectara Hallucination Rate—12.9%
GPQA (HELM)—75.6%

Multimodal Gemini 4 Argon leads

Gemini 4 Argon: 46.5 (#14), GPT-5 Mini: 35.6 (#85)

Multimodal benchmarks
BenchmarkGemini 4 ArgonGPT-5 Mini
LMArena Vision—1202
VPCT—40.2%
Blueprint-Bench 254.4%—

Multilingual Gemini 4 Argon leads

Gemini 4 Argon: 60.3 (#1), GPT-5 Mini: 48.9 (#137)

Multilingual benchmarks
BenchmarkGemini 4 ArgonGPT-5 Mini
LMArena Non-English15231363
LMArena Chinese16101385
LMArena Russian15371362
LMArena Spanish14971355
LMArena French—1386
LMArena German—1366
LMArena Japanese—1341
LMArena Korean—1308

Instruction Following Gemini 4 Argon leads

Gemini 4 Argon: 80.1 (#2), GPT-5 Mini: 76.2 (#46)

Instruction Following benchmarks
BenchmarkGemini 4 ArgonGPT-5 Mini
LMArena Instruction Following15381357
IFEval—92.7%

Long Context Gemini 4 Argon leads

Gemini 4 Argon: 47.6 (#15), GPT-5 Mini: 41.9 (#132)

Long Context benchmarks
BenchmarkGemini 4 ArgonGPT-5 Mini
LMArena Longer Query15491355
Fiction.LiveBench—69.4%

Writing & Preference Gemini 4 Argon leads

Gemini 4 Argon: 71.4 (#19), GPT-5 Mini: 55.2 (#148)

Writing & Preference benchmarks
BenchmarkGemini 4 ArgonGPT-5 Mini
LMArena Text15341373
LMArena Creative Writing15311325
LMArena Multi-Turn15571363
Short-Story Creative Writing—83.1%
EQ-Bench Creative Writing—1313
WildBench—85.5%

Frequently asked questions

Is Gemini 4 Argon better than GPT-5 Mini?

Gemini 4 Argon is the stronger model overall, scoring 56.5 to 41.8 on the Noometry Index.

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

Gemini 4 Argon scores higher on coding benchmarks: 62.0 versus 40.1 in the Noometry coding category.

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

17 benchmarks have published results for both models. Gemini 4 Argon has 21 scored results on Noometry and GPT-5 Mini has 60.

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