
Anthropic did not give Britain’s AI Security Institute (AISI) its Mythos 5.1 model to test before release, the Financial Times reported. Reporters Lucy Fisher and Madhumita Murgia said it is the first time a major model has been kept from the UK instit…

DeepSeek released V4.1-Flash on Thursday. It is a smaller model that the company says beats its own flagship on coding and agent tasks, at a lower price. The Hangzhou lab announced it in a thread on X and published the weights on Hugging Face under the…

Sébastien Bubeck is the OpenAI researcher at the centre of the Navier-Stokes credit dispute. He has now given his account of the private talks with the two mathematicians who say OpenAI mistreated them. He denies trying to strip one of them of credit f…

ENISA, the European Union’s cybersecurity agency, has been given access to Anthropic’s Mythos 5 and is now testing it alongside OpenAI’s GPT-6 Astra, a European Commission spokesperson said on Thursday. Reuters reported the confirmation, bringing an en…

Anthropic has published an account of four cybersecurity evaluations in which its models gained unauthorised access to the open internet, and disclosed that finding them required scanning roughly 481 million transcripts. The assessment was published on…
Anthropic researcher Jacob Coxon resigned over AI extinction fears, calling for pacing agreements between labs.

A senior Anthropic safety researcher has said there is more than a 10 percent chance artificial intelligence “could kill all humans” by the end of the decade, just hours after a colleague resigned over fears the AI lab and its rivals are carelessly racing to build “superhuman systems” they cannot control. In a post on […]
Last month, a Claude user noticed his account was consuming tokens even though he wasn’t working. Anthropic has since warned users about hackers.