Private AI
GPT-5.6 Luna Pro runs the fast GPT-5.6 Luna tier with maximum reasoning for higher-quality responses on lightweight coding, analysis, and agentic tasks.
Added Jul 9, 2026
Context Window
1.1M
Max Output
128.0K
Input Price (Auto)
$1.00/1M
Output Price (Auto)
$6.00/1M
Cache Read (Auto)
$0.10/1M
Capabilities
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
51.2
Auto routing is available for this model. Explicit provider selection is not available.
Loading provider options…
Coding Index
71.4
GPQA Diamond
Graduate-level scientific reasoning
91.1%
Better than 96% of models compared
HLE
Humanity's Last Exam
37.2%
Better than 95% of models compared
AA-LCR
Long context reasoning evaluation
74.0%
Better than 98% of models compared
SciCode
Python programming for scientific computing
52.5%
Better than 95% of models compared
Last updated Jul 22, 2026
Artificial Analysis