OpenAI offers nine UK banks GPT-5.5 Cyber access through its TAC program while Anthropic's Mythos Preview remains blocked, reshaping AI cybersecurity competition.

LONDON, May 29 : British banks still have not been able to gain access to Anthropic's Mythos artificial intelligence model to check their systems against cyber threats, six weeks…

Bailey, speaking to Bloomberg TV, said Anthropic was willing to share the models on a trial basis but there appeared to be a political hold-up.