UK safety institute regains access to US frontier models
The US restored the UK AI Safety Institute's access to the latest OpenAI and Anthropic models for safety testing, reversing an order from roughly a month ago that had barred both labs from sharing their models with the AISI.
- UK AISI had been locked out of the frontier model tier it was built to evaluate
- Order to stop model sharing came from US side roughly a month ago
- Restoration signals the alliance held despite the initial freeze