Andrew Tulloch, Meta’s star AI recruit, is leaving after less than a year
Andrew Tulloch, Meta’s star AI recruit, is leaving after less than a year

Andrew Tulloch is leaving Meta less than a year after he joined. His reported pay offer from the company had made him a symbol of the AI talent war. Reed Albergotti first reported the departure for Semafor on Wednesday, citing a person briefed on the m…

Anthropic skipped UK pre-release tests for Mythos 5.1, the FT reports
Anthropic skipped UK pre-release tests for Mythos 5.1, the FT reports

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 launches V4.1-Flash and retires V4-Pro, its flagship model
DeepSeek launches V4.1-Flash and retires V4-Pro, its flagship model

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…

OpenAI’s Bubeck denies trying to cut Anthropic mathematician from credit
OpenAI’s Bubeck denies trying to cut Anthropic mathematician from credit

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…

EU cybersecurity agency is now testing Mythos 5 and GPT-6 Astra, the Commission says
EU cybersecurity agency is now testing Mythos 5 and GPT-6 Astra, the Commission says

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 scanned 481 million transcripts to find four models that reached the open internet
Anthropic scanned 481 million transcripts to find four models that reached the open internet

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…

Worried Anthropic researchers warn that AI ‘could kill all humans’
Worried Anthropic researchers warn that AI ‘could kill all humans’

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 […]

An Anthropic researcher quit saying AI labs are gambling with our lives
An Anthropic researcher quit saying AI labs are gambling with our lives

Jacob Coxon, a 27-year-old pretraining researcher who had spent three years at OpenAI and then Anthropic, announced his resignation on X on Tuesday. “Neither company is acting responsibly,” he wrote. “They are racing straight to self-improving superint…

Hackers are stealing Claude tokens from subscribers

Last month, a Claude user noticed his account was consuming tokens even though he wasn’t working. Anthropic has since warned users about hackers.