Noometry

Model comparison

Gemini 4 Argon vs GPT-6 Luna

Gemini 4 Argon is the stronger model overall, scoring 56.5 to 53.3 on the Noometry Index.

Last verified . 19 shared benchmarks.

Gemini 4 Argon Google

56.5

Rank #24 Confirmed

GPT-6 Luna OpenAI

53.3

Rank #36 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Gemini 4 Argon scores higher in 7 categories and GPT-6 Luna in 3 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in agentic & tool use, where Gemini 4 Argon leads 49.2 to 33.3.
  • The biggest single-benchmark swing is APEX-Agents: 82.2% for Gemini 4 Argon and 44.3% for GPT-6 Luna.

Side by side

Gemini 4 ArgonGPT-6 Luna
ProviderGoogleOpenAI
Noometry Index56.553.3
Released2026-09-302026-09-22
WeightsProprietaryProprietary
Context window—1.05M
Max output—128K
Input $ / M tokens—$0.10
Output $ / M tokens—$0.50
Results tracked2142

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Category by category

Coding Gemini 4 Argon leads

Gemini 4 Argon: 62.0 (#9), GPT-6 Luna: 55.5 (#25)

BenchmarkGemini 4 ArgonGPT-6 Luna
LMArena WebDev16781581
SciCode61.8%54.6%
LMArena Coding15501439
DeepSWE—66.6%
FrontierCode—42.4%
FrontierSWE55%—
ALE-Bench—1,577

Agentic & Tool Use Gemini 4 Argon leads

Gemini 4 Argon: 49.2 (#8), GPT-6 Luna: 33.3 (#54)

BenchmarkGemini 4 ArgonGPT-6 Luna
APEX-Agents82.2%44.3%
GDP.pdf—23%
Vending-Bench 213,718—

Reasoning GPT-6 Luna leads

Gemini 4 Argon: 44.2 (#47), GPT-6 Luna: 48.2 (#41)

BenchmarkGemini 4 ArgonGPT-6 Luna
CritPt27.1%19.4%
LMArena Hard Prompts15481411
ARC-AGI-2—59.3%
NYT Connections (extended)—68.7%
ARC-AGI-1—86.7%
Chess Puzzles—31%
Mystery Game Puzzles—7%
DTBench—90.1%
LMCA—44.5%
Epoch Capabilities Index—156.28

Math GPT-6 Luna leads

Gemini 4 Argon: 73.9 (#17), GPT-6 Luna: 76.1 (#15)

BenchmarkGemini 4 ArgonGPT-6 Luna
ProofBench99%64%
LMArena Math15361416
FrontierMath (Tiers 1-3)—78.9%
FrontierMath Tier 4—56.1%
OTIS Mock AIME 2024-2025—98.9%

Knowledge GPT-6 Luna leads

Gemini 4 Argon: 43.9 (#89), GPT-6 Luna: 57.0 (#41)

BenchmarkGemini 4 ArgonGPT-6 Luna
LMArena Expert15531444
GPQA Diamond—90.5%
SimpleQA Verified—41.4%

Multimodal Gemini 4 Argon leads

Gemini 4 Argon: 46.5 (#14), GPT-6 Luna: 42.4 (#30)

BenchmarkGemini 4 ArgonGPT-6 Luna
Blueprint-Bench 254.4%31.2%
LMArena Vision—1217
Furniture Assembly—44.2%

Multilingual Gemini 4 Argon leads

Gemini 4 Argon: 60.3 (#1), GPT-6 Luna: 50.5 (#117)

BenchmarkGemini 4 ArgonGPT-6 Luna
LMArena Non-English15231386
LMArena Chinese16101433
LMArena Russian15371394
LMArena Spanish14971393
LMArena French—1420
LMArena German—1369
LMArena Japanese—1369
LMArena Korean—1360

Instruction Following Gemini 4 Argon leads

Gemini 4 Argon: 80.1 (#2), GPT-6 Luna: 74.3 (#99)

BenchmarkGemini 4 ArgonGPT-6 Luna
LMArena Instruction Following15381409

Long Context Gemini 4 Argon leads

Gemini 4 Argon: 47.6 (#15), GPT-6 Luna: 43.0 (#111)

BenchmarkGemini 4 ArgonGPT-6 Luna
LMArena Longer Query15491409

Writing & Preference Gemini 4 Argon leads

Gemini 4 Argon: 71.4 (#19), GPT-6 Luna: 58.3 (#119)

BenchmarkGemini 4 ArgonGPT-6 Luna
LMArena Text15341391
LMArena Creative Writing15311363
LMArena Multi-Turn15571396

Frequently asked questions

Is Gemini 4 Argon better than GPT-6 Luna?

Gemini 4 Argon is the stronger model overall, scoring 56.5 to 53.3 on the Noometry Index.

Is Gemini 4 Argon or GPT-6 Luna better for coding?

Gemini 4 Argon scores higher on coding benchmarks: 62.0 versus 55.5 in the Noometry coding category.

How many benchmarks do Gemini 4 Argon and GPT-6 Luna share?

19 benchmarks have published results for both models. Gemini 4 Argon has 21 scored results on Noometry and GPT-6 Luna has 42.

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