White House Bars OpenAI and Anthropic From Sharing Models With UK Testers First

The White House has told OpenAI and Anthropic not to provide new AI models to the UK's AI Safety Institute before they pass US government testing, citing that they are American companies. The directive affects US-UK cooperation on frontier model safety testing.

2026-09-25 ~ 2026-09-25 · 4 related posts

• White House asks OpenAI and Anthropic to withhold new models from UK testers — Polymarket · 2026-09-25
• White House tells OpenAI and Anthropic to run US testing before sharing models with UK agency — david_stillwell · 2026-09-25

2 near-duplicate retellings: NathanpmYoung · KeeganMcB