OpenAI delays GPT-5.6 release for US security review

OpenAI defers public rollout of GPT‑5.6 as US seeks early access to frontier AI models

OpenAI defers GPT-5.6 launch at U.S. government request, limiting access to vetted partners under 30-day pre-release framework. Trend: frontier AI now requires government pre-approval—procurement and deployment timelines must account for national-security review windows.