OpenAI previews GPT-5.6 (Sol/Terra/Luna) behind government-gated access

OpenAI's new tier launched to only ~20 government-approved partners, at the White House's request, after Sol crossed OpenAI's 'High' cybersecurity-risk threshold on an internal attack test. Wider availability is promised 'in the coming weeks.'

What it means The second frontier launch in a month gated by government — capability is now colliding with access control, which shapes what you can actually build on.