On Friday evening, the government ordered Anthropic to block access to Fable 5 and Mythos 5 for all foreign nations, both inside and outside the US, due to national security concerns. …
OpenAI is preparing to launch a new frontier cybersecurity model, GPT-5.5-Cyber. …
… Emil Michael, the Defense Department’s chief technology officer, told CNBC on Friday that Anthropic is still a supply chain risk, but called its powerful security model, Mythos, a “separate national security moment,” adding that “we have to make sure that our networks are hardened up, because that …
… However, OpenAI has so far lacked a similar security product. …
On Wednesday, the AISI, which evaluates AI models for the British government, said both Anthropic’s Claude Mythos Preview and OpenAI’s GPT-5.5 showed progress well above previous trends on cybersecurity testing. …
…OpenAI’s models, by comparison, appeared in more than 230 examples, while Google and Anthropic each appeared dozens of times. A similar pattern appeared in another database of more ambitious government…
… Subscribe: Spotify | Apple Podcasts | Overcast | Pocket Casts | More If you want to know more about everything we discuss in this episode, here are a few links to get you started: The AI-designed car is taking shape OpenAI’s big Codex update is a direct shot at Claude Code Microsoft and OpenAI’s fa…
… Fable is a Mythos with security guardrails. …
Security Cybersecurity is the rickety scaffolding supporting everything you do online. …
… In 2024, the Biden administration published a memorandum on AI and national security, setting up rules for how AI can be used in certain national security scenarios — and for now, even under Trump, that policy is in force. …