GPT-5.6-LUNA
GPT-5.6-LUNA is a chat model developed by OpenAI. No further technical or performance details are available from the provided evidence.
Input
Output
Context
1050K
Max Output
128K
Parameters
-
Technical Specifications
Model TypeChat
Context Window1,050,000 tokens
Max Output Tokens128,000 tokens
ParametersNot available
Release DateJun 23, 2026
Training CutoffFeb 16, 2026
Licenseproprietary
Open SourceNo
Input Modalities
ImageText
Output Modalities
Text
Capabilities
Benchmarks
Artificial Analysis
37.2%
HLE
74.0%
AA-LCR
91.1%
GPQA
52.5%
SciCode
27.2%
Tau2 Banking
71.4
Coding
51.2
Intelligence
80.9%
Terminal-Bench 2.1
264
Speed (tok/s)
97.0
TTFA (s)
97.0
TTFT (s)
Resources & Links
proprietary, Proprietary - API access only
More Models by OpenAI
Related Tools
Data sourced from official provider APIs and documentation
Last updated: Jul 15, 2026
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