OpenAI releases GPT-5.6 to select users vetted by US government
GPT-5.6 isn't for everyone. OpenAI just locked it behind US government vetting.

Why it matters
OpenAI is fragmenting model access by geography and security clearance, signaling that frontier AI capabilities now trigger national security gatekeeping. This reshapes competitive dynamics and sets precedent for how dual-use AI gets distributed.
The key facts
5 to knowGPT-5.6 released in limited preview
Access restricted to US government-vetted users
New cybersecurity capabilities highlighted
Model distribution now subject to government approval
Suggests dual-use concern classification
Go to the source
Financial Times Technologyft.com
Publisher excerpt: San Francisco-based company announces ‘limited preview’ of new models with powerful cyber security capabilities