GPT-5.6 Luna
#23 of 274 scored.
OpenAIJul 9, 2026Closed
Capabilities Index
Range 154.0–158.7
156.4
Context
Takes file, image, text
1.05M
Input
Per 1M tokens
$0.20
Output
Per 1M tokens
$1.20
Benchmarks
How it scores.
- GPQA Diamond88.8%
26th of 186
- FrontierMath82.1%
14th of 81
- ARC-AGI-259.5%
27th of 79
- SimpleQA Verified41.0%
43rd of 77
- Mock AIME98.3%
20th of 176
Everything else Epoch has for it
- ARC-AGI88.0%
- DTBench81.8%
- DeepSWE67.2%
- Surface Evolver Bench61.9%
- FrontierMath-Tier-4-v2-Private61.0%
- WeirdML60.9%
- ProofBench60.0%
- LMCA57.1%
- Balrog45.6%
- FrontierCode39.8%
- Chess Puzzles36.9%
- SimpleBench36.2%
- Furniture Assembly17.9%
- Mystery Game Puzzles13.0%
On the index
Around it.
Sources