GPT-5.6 and Grok 4.5 released in the same week: which model did the government review first?

TL;DR AI
2 min readKey summary
xAI unveiled Grok 4.5, trained with Cursor, aiming beyond coding to document and analysis tasks.
OpenAI launched GPT-5.6 and GPT-Live; GPT-5.6 was first rolled out under U.S. government review and approval before becoming broadly available.
The launches show AI competition is expanding beyond raw performance into price, safety, and regulatory compliance.
Enterprise users will need to weigh access timing, token costs, and security requirements when choosing models.
