OpenAI Readies GPT-5.6 'Sol, Terra, Luna' for Limited Preview Under Preparedness Framework
BuildFastWithAI (OpenAI)·high signal
OpenAI announced plans to make GPT-5.6 Sol, Terra, and Luna generally available in the coming weeks, starting with a limited preview for a small group of trusted partners following coordination with the U.S. government. Under OpenAI's Preparedness Framework, all three are classified as High capability in both Cybersecurity and Biological/Chemical risk, with tailored safeguards per model. The staged, government-coordinated rollout signals frontier-model releases are now gated by national-security review, not just product readiness.