GPT-5.6 Luna

Released2026-07-09
Price per 1M$0.20 in · $1.20 out
Overall score58.1 · rank 52
Context window1,050,000 tokens
ProviderOpenAI
WeightsProprietary

Scores

DimensionScoreRankBenchmarks
Overall: Balanced 58.1 52 47
Overall: Coding 58.2 48 34
Overall: Reasoning 58.7 51 19
Overall: Agentic work 58.2 53 32
Overall: Frontend 57.8 43 14
Coding 58.4 41 10
Agents 58.1 53 10
Reasoning 58.4 61 12
Math 61.4 20 4
Knowledge 54.7 65 3
Frontend 57.7 40 2
General 58.4 39 4
Multimodal 56.9 36 2
Value vs price+12.816

Configurations

ConfigurationBalancedBenchmarks
Unspecified setting 54.5 ±4.0 7
High 56.7 ±4.2 8
Low 49.9 ±3.6 12
Max 58.6 ±0.9 34
Medium 52.0 ±4.0 9
Non-reasoning 46.3 ±4.0 9
Extra High 56.9 ±2.8 12

Evidence

Coding 58.4 ±1.6

BenchmarkResultSourceDate
CursorBench 35.9% Epoch AI 2026-11-11
DeepSWE 67.2% Epoch AI 2026-11-11
FrontierCode 39.8% Epoch AI 2026-11-11
SWE-rebench 43.6% SWE-rebench 2026-07-01
WeirdML v3 5.2% Epoch AI 2026-11-11
MirrorCode 21.1% Epoch AI 2026-10-21
IOI 61.8% Vals AI 2026-10-29
SWE-bench Verified (Vals run) 93.0% Vals AI 2026-09-01
SciCode 53.6% Epoch AI 2026-11-11
ProgramBench 0.0% Vals AI 2026-11-09

Agents 58.1 ±1.3

BenchmarkResultSourceDate
Terminal-Bench 4 17.6% Terminal-Bench 2026-06-26
SRE Bench 1.5% Vals AI 2026-11-05
Terminal-Bench-Science 0.0% Vals AI 2026-11-09
APEX-Agents 43.0% Epoch AI 2026-11-11
Terminal-Bench 4.0 (Vals run) 11.6% Vals AI 2026-11-09
Terminal-Bench 2.1 (Vals run) 79.0% Vals AI 2026-10-01
Tax Agent Bench 24.8% Vals AI 2026-11-09
SkillsBench 60.4% Vals AI 2026-10-29
BALROG 45.6% Epoch AI 2026-11-11
Vending-Bench 2 $4,095 Epoch AI 2026-11-11
CyberBench v1.1 73.6% Vals AI 2026-11-05

Reasoning 58.4 ±2.1

BenchmarkResultSourceDate
ARC-AGI-2 59.5% Epoch AI 2026-11-11
ARC-AGI-2 (ARC Prize verified) 59.6% ARC Prize 2026-11-11
Extended NYT Connections 69.4% Lech Mazur 2026-11-10
MysteryMechanism 14.4% Vals AI 2026-11-09
CritPt 20.6% Epoch AI 2026-11-11
ARC-AGI-1 (ARC Prize verified) 90.7% ARC Prize 2026-11-11
ARC-AGI-1 88.0% Epoch AI 2026-11-11
GPQA Diamond 91.6% Epoch AI 2026-07-09
GPQA Diamond (Vals run) 91.7% Vals AI 2026-09-01
BioMysteryBench 61.5% Vals AI 2026-11-09
ARC-AGI-3 0.2% ARC Prize 2026-11-11
Kagi Reasoning Benchmark 49.1% Kagi 2026-11-11
Chess Puzzles 43.0% Epoch AI 2026-10-13
SimpleBench 46.8% SimpleBench 2026-07-09
SimpleBench 46.8% Epoch AI 2026-11-11
Mystery Game Puzzles 21.0% Epoch AI 2026-07-28

Math 61.4 ±1.3

BenchmarkResultSourceDate
FrontierMath Tiers 1-3 82.1% Epoch AI 2026-07-09
FrontierMath Tier 4 61.0% Epoch AI 2026-07-09
OTIS Mock AIME 2024-2025 98.3% Epoch AI 2026-07-09
ProofBench v1.1 60.0% Vals AI 2026-11-09
ProofBench 60.0% Epoch AI 2026-11-11

Knowledge 54.7 ±3.6

BenchmarkResultSourceDate
SimpleQA Verified 41.0% Epoch AI 2026-08-10
MMLU-Pro (Vals run) 86.0% Vals AI 2026-09-01
Legal Research Bench 36.5% Vals AI 2026-11-09

Frontend 57.7 ±0.7

BenchmarkResultSourceDate
Vibe Code Bench v1.1 77.1% Vals AI 2026-11-09
LMArena WebDev 1,519 LMArena 2026-11-09

General 58.4 ±2.8

BenchmarkResultSourceDate
EQ-Bench 4 1,146 EQ-Bench 2026-10-24
EQ-Bench Creative Writing v3 1,832 EQ-Bench 2026-11-11
LMArena Text 1,453 LMArena 2026-11-09
EQ-Bench Longform Creative Writing 75.5% EQ-Bench 2026-11-11

Multimodal 56.9 ±2.3

BenchmarkResultSourceDate
MMMU-Pro (Vals run) 85.0% Vals AI 2026-09-01
LMArena Vision 1,255 LMArena 2026-11-09

Results not used in the score

BenchmarkResultSourceWhy not used
ARC-AGI-1 34.2% Epoch AI A stronger configuration result was used
ARC-AGI-1 56.5% Epoch AI A stronger configuration result was used
ARC-AGI-1 87.7% Epoch AI A stronger configuration result was used
ARC-AGI-1 76.5% Epoch AI A stronger configuration result was used
ARC-AGI-1 (ARC Prize verified) 3.3% ARC Prize A stronger configuration result was used
ARC-AGI-1 (ARC Prize verified) 39.5% ARC Prize A stronger configuration result was used
ARC-AGI-1 (ARC Prize verified) 56.5% ARC Prize A stronger configuration result was used
ARC-AGI-1 (ARC Prize verified) 87.7% ARC Prize A stronger configuration result was used
ARC-AGI-1 (ARC Prize verified) 78.0% ARC Prize A stronger configuration result was used
ARC-AGI-2 5.1% Epoch AI A stronger configuration result was used
ARC-AGI-2 7.4% Epoch AI A stronger configuration result was used
ARC-AGI-2 47.6% Epoch AI A stronger configuration result was used
ARC-AGI-2 29.3% Epoch AI A stronger configuration result was used
ARC-AGI-2 (ARC Prize verified) 0.8% ARC Prize A stronger configuration result was used
ARC-AGI-2 (ARC Prize verified) 5.1% ARC Prize A stronger configuration result was used
ARC-AGI-2 (ARC Prize verified) 7.4% ARC Prize A stronger configuration result was used
ARC-AGI-2 (ARC Prize verified) 47.6% ARC Prize A stronger configuration result was used
ARC-AGI-2 (ARC Prize verified) 33.3% ARC Prize A stronger configuration result was used
ARC-AGI-3 0.2% ARC Prize A stronger configuration result was used
ARC-AGI-3 0.2% ARC Prize A stronger configuration result was used
ARC-AGI-3 0.0% ARC Prize A stronger configuration result was used
ARC-AGI-3 0.1% ARC Prize A stronger configuration result was used
Chess Puzzles 3.0% Epoch AI A stronger configuration result was used
Chess Puzzles 17.0% Epoch AI A stronger configuration result was used
CritPt 0.3% Epoch AI A stronger configuration result was used
CritPt 2.6% Epoch AI A stronger configuration result was used
CritPt 4.9% Epoch AI A stronger configuration result was used
CritPt 20.6% Epoch AI A stronger configuration result was used
CritPt 16.6% Epoch AI A stronger configuration result was used
CursorBench 16.0% Epoch AI A stronger configuration result was used
CursorBench 22.2% Epoch AI A stronger configuration result was used
CursorBench 33.0% Epoch AI A stronger configuration result was used
CursorBench 29.4% Epoch AI A stronger configuration result was used
DeepSWE 1.6% Epoch AI A stronger configuration result was used
DeepSWE 11.3% Epoch AI A stronger configuration result was used
DeepSWE 56.9% Epoch AI A stronger configuration result was used
DeepSWE 44.3% Epoch AI A stronger configuration result was used
FrontierMath Tiers 1-3 39.7% Epoch AI A stronger configuration result was used
FrontierMath Tiers 1-3 41.4% Epoch AI A stronger configuration result was used
GPQA Diamond 63.6% Epoch AI A stronger configuration result was used
GPQA Diamond 82.3% Epoch AI A stronger configuration result was used
Mystery Game Puzzles 20.0% Epoch AI A stronger configuration result was used
Mystery Game Puzzles 17.0% Epoch AI A stronger configuration result was used
Mystery Game Puzzles 12.0% Epoch AI A stronger configuration result was used
OTIS Mock AIME 2024-2025 40.0% Epoch AI A stronger configuration result was used
OTIS Mock AIME 2024-2025 66.7% Epoch AI A stronger configuration result was used
SciCode 40.4% Epoch AI A stronger configuration result was used
SciCode 46.1% Epoch AI A stronger configuration result was used
SciCode 46.8% Epoch AI A stronger configuration result was used
SciCode 50.5% Epoch AI A stronger configuration result was used
SciCode 51.6% Epoch AI A stronger configuration result was used
SimpleBench 46.8% Epoch AI A stronger configuration result was used

Names matched to this model

gpt-5-6-luna

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