[Editor’s Note: The following is an example of a post we propose, in future, to keep in a private section of the site, since it is an opinion piece, rather than a description of how an AI tool has been used in practice. We are posting it publicly for a limited time to allow club members to consider whether they support use of a private, subscriber-only, section of the site for articles such as this.]

It may not be faster than a speeding bullet, nor able to jump over tall buildings, but Anthropic’s latest large language model, Claude Mythos, is superhuman in a domain that could pose an existential risk to humans: computer hacking.