Model comparison

GPT-6 Luna vs o1-mini

GPT-6 Luna is the stronger model overall, scoring 53.3 to 34.0 on the Noometry Index.

Last verified . 22 shared benchmarks.

GPT-6 Luna OpenAI

53.3

Rank #36 Confirmed

o1-mini OpenAI

34.0

Rank #235 Confirmed

Summary

  • They share 22 benchmarks with published results for both. GPT-6 Luna scores higher in 9 categories and o1-mini in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-6 Luna leads 76.1 to 35.4.
  • The biggest single-benchmark swing is ARC-AGI-1: 86.7% for GPT-6 Luna and 14% for o1-mini.

Side by side

GPT-6 Luna and o1-mini specifications
GPT-6 Lunao1-mini
ProviderOpenAIOpenAI
Noometry Index53.334.0
Released2026-09-222024-09-12
WeightsProprietaryProprietary
Context window1.05M—
Max output128K—
Input $ / M tokens$0.10—
Output $ / M tokens$0.50—
Results tracked4239

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Category by category

Coding GPT-6 Luna leads

GPT-6 Luna: 55.5 (#25), o1-mini: 35.5 (#224)

Coding benchmarks
BenchmarkGPT-6 Lunao1-mini
LMArena Coding14391362
DeepSWE66.6%—
FrontierCode42.4%—
Aider Polyglot—32.9%
LMArena WebDev1581—
SciCode54.6%—
WeirdML—36.3%
LiveBench Coding—48%
ALE-Bench1,577—
HumanEval+—89%
MBPP+—78.8%

Agentic & Tool Use GPT-6 Luna leads

GPT-6 Luna: 33.3 (#54), o1-mini: 24.6 (#118)

Agentic & Tool Use benchmarks
BenchmarkGPT-6 Lunao1-mini
APEX-Agents44.3%—
Cybench—10%
GDP.pdf23%—

Reasoning GPT-6 Luna leads

GPT-6 Luna: 48.2 (#41), o1-mini: 8.8 (#346)

Reasoning benchmarks
BenchmarkGPT-6 Lunao1-mini
ARC-AGI-259.3%0.8%
ARC-AGI-186.7%14%
LMArena Hard Prompts14111333
Epoch Capabilities Index156.28135.82
SimpleBench—18.1%
NYT Connections (extended)68.7%—
CritPt19.4%—
Chess Puzzles31%—
LiveBench Reasoning—72.3%
Mystery Game Puzzles7%—
DTBench90.1%—
LiveBench Data Analysis—57.9%
LMCA44.5%—
LiveBench—57.8%

Math GPT-6 Luna leads

GPT-6 Luna: 76.1 (#15), o1-mini: 35.4 (#186)

Math benchmarks
BenchmarkGPT-6 Lunao1-mini
OTIS Mock AIME 2024-202598.9%46.9%
LMArena Math14161358
FrontierMath (Tiers 1-3)78.9%—
FrontierMath Tier 456.1%—
ProofBench64%—
LiveBench Math—62%
MATH Level 5—89.2%
FrontierMath (Feb 2025 set)—1.7%

Knowledge GPT-6 Luna leads

GPT-6 Luna: 57.0 (#41), o1-mini: 34.9 (#192)

Knowledge benchmarks
BenchmarkGPT-6 Lunao1-mini
GPQA Diamond90.5%62.4%
LMArena Expert14441316
SimpleQA Verified41.4%—
Confabulations—18.6%

Multimodal Not comparable

GPT-6 Luna: 42.4 (#30), o1-mini: —

Multimodal benchmarks
BenchmarkGPT-6 Lunao1-mini
LMArena Vision1217—
Blueprint-Bench 231.2%—
Furniture Assembly44.2%—

Multilingual GPT-6 Luna leads

GPT-6 Luna: 50.5 (#117), o1-mini: 43.6 (#182)

Multilingual benchmarks
BenchmarkGPT-6 Lunao1-mini
LMArena Non-English13861289
LMArena Chinese14331314
LMArena French14201293
LMArena German13691278
LMArena Japanese13691245
LMArena Korean13601223
LMArena Russian13941283
LMArena Spanish13931303

Instruction Following GPT-6 Luna leads

GPT-6 Luna: 74.3 (#99), o1-mini: 66.7 (#206)

Instruction Following benchmarks
BenchmarkGPT-6 Lunao1-mini
LMArena Instruction Following14091304
LiveBench Instruction Following—65.4%

Long Context GPT-6 Luna leads

GPT-6 Luna: 43.0 (#111), o1-mini: 40.1 (#161)

Long Context benchmarks
BenchmarkGPT-6 Lunao1-mini
LMArena Longer Query14091320

Writing & Preference GPT-6 Luna leads

GPT-6 Luna: 58.3 (#119), o1-mini: 48.4 (#202)

Writing & Preference benchmarks
BenchmarkGPT-6 Lunao1-mini
LMArena Text13911317
LMArena Creative Writing13631244
LMArena Multi-Turn13961314
Short-Story Creative Writing—64.9%
LiveBench Language—40.9%

Frequently asked questions

Is GPT-6 Luna better than o1-mini?

GPT-6 Luna is the stronger model overall, scoring 53.3 to 34.0 on the Noometry Index.

Is GPT-6 Luna or o1-mini better for coding?

GPT-6 Luna scores higher on coding benchmarks: 55.5 versus 35.5 in the Noometry coding category.

How many benchmarks do GPT-6 Luna and o1-mini share?

22 benchmarks have published results for both models. GPT-6 Luna has 42 scored results on Noometry and o1-mini has 39.

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