Stay up to date with notifications from The IndependentNotifications can be managed in browser preferences.Jump to contentThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged inAllNewsSportCultureLifestyleOpenAI is poised to launch its most advanced AI model, GPT-5.6 Sol, alongside lower-cost Terra and Luna models, following a delay prompted by US government national security concerns. Experts have warned that advanced models could significantly accelerate sophisticated cyberattacks, with Washington intensifying its scrutiny of powerful AI model releases. Axios indicated that the Trump administration approved the broad release of GPT-5.6 after additional testing and meetings between OpenAI and government officials. Competitor Anthropic had temporarily disabled its Mythos 5 and Fable 5 models following a US government export control order, which was subsequently lifted after safeguards were implemented. OpenAI had previously granted only a small group of vetted partners access to GPT-5.6, and their details were shared with authorities. In fullOpenAI set to launch most advanced GPT model yet after delayed rolloutMore bulletinsThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in

Trump administration restricts OpenAI's GPT-5.6 release. General availability by August 2026 at 3.3% YES.

The company’s most advanced model was held back for additional government testing amid fears powerful AI systems could be misused; Washington has increased oversight of frontier…

The rollout is nigh, after the White House got involved.