GPT-6 Luna

The one document we hold for GPT-6 Luna states no capability level or safeguard, and no incident on record names it. See other OpenAI versions or every model with documented facts.

Released 3 September 2026
Framework: Preparedness Framework
1 source document

GPT-6 Luna's documents report 2 test results that this page does not list, because each is a table row or a line that does not name this version on its own. Read them in GPT-6 Astra System Card.

Previous version: GPT-5.6 Sol (August) · Compare the two

Documents listed for this version

GPT-6 Astra System Card · OpenAI · 3 September 2026