
blog.cloudflare.com
May 18, 2026
14 min read
64/100
Summary
For the last few months, we've been testing a range of security-focused LLMs on our own infrastructure. These LLMs help identify potential vulnerabilities in our own systems, so we can fix them â and they also show us what attackers are going to be able to do with the latest models. None of these LLMs has captured more attention than Mythos Preview, from Anthropic. A few weeks ago, we were invited...