Anthropic

Three days. That’s how long Anthropic’s most powerful AI model survived before the US government pulled the plug. On Friday the 13th — because of course it was — the Trump administration issued an export control directive ordering Anthropic to suspend all access to Claude Fable 5 and Mythos 5 for any foreign national. Since there’s no clean way to verify every user’s nationality in real time, Anthropic had to shut down both models for everyone. ...

The AI industry just got its biggest regulatory shock in years. On Friday evening, the US Commerce Department ordered Anthropic to immediately suspend access to Claude Fable 5 and Mythos 5 for all foreign nationals — including Anthropic’s own employees. Anthropic’s response? They shut down both models for everyone. Because when you can’t verify citizenship at the API level with zero notice, the only compliant option is a full kill switch. ...

The AI industry just had one of its most revealing weeks — not because of any single announcement, but because three companies made moves that expose where this market is actually heading. Anthropic launched Claude Fable 5 at premium prices with built-in safety classifiers. Google slashed its AI subscription to $5/month. OpenAI acquired a cloud infrastructure company to make its coding agents run for days without stopping. Three different bets. One clear signal: the AI market is fracturing into tiers, and the gap between “good enough” and “best available” is becoming a strategic decision that actually matters. ...

Anthropic just did something no one expected: it released the most powerful AI model on the planet and simultaneously told everyone it’s terrified of what models like it can do. Welcome to the era of Claude Fable 5 — the first public Mythos-class model, and possibly the last time “safety” and “frontier AI” will share a sentence without irony. Mythos Goes Public (Sort Of) Fable 5 is a Mythos-class model wrapped in safety classifiers. Think of it as a Formula 1 engine with a speed governor — still absurdly fast, but with guardrails that prevent it from doing anything Anthropic’s safety team would lose sleep over. ...

The AI industry just crossed a Rubicon. OpenAI — the company that kicked off the generative AI revolution with ChatGPT — has confidentially filed an S-1 with the SEC. One week after Anthropic filed its own IPO paperwork. With SpaceX also preparing a debut at $1.75 trillion. Combined IPO pipeline: $3.6 trillion. We haven’t seen anything like this since the dot-com era. Arguably, we’ve never seen it at all. From Nonprofit Lab to $852 Billion OpenAI’s trajectory borders on absurd. Founded as a nonprofit in 2015, it released ChatGPT in late 2022 and changed everything. Converted to for-profit. Amassed hundreds of millions of users. Closed a $122 billion funding round in March 2026 — the largest in Silicon Valley history — at roughly $852 billion. ...

There’s a moment in every sci-fi film where the scientist realizes the experiment is already several steps ahead. Anthropic just published a report suggesting we’re living in that scene — except the lab is real, the model is Claude, and the data is staggering. The Numbers That Should Stop You Cold In a report titled “When AI Builds Itself,” Anthropic dropped internal metrics that rewrite the conversation about where AI development actually stands: ...

Anthropic said Claude Mythos was too dangerous to release publicly. They shared it with 40 handpicked organizations. They committed $100 million to help patch the vulnerabilities it found. It leaked anyway. And now Google has confirmed the first known case of an AI-developed zero-day exploit being used by actual cybercriminals in the wild. The containment era lasted about six weeks. The Model That Finds What Humans Can’t Quick recap for anyone not tracking this saga: Claude Mythos Preview is Anthropic’s unreleased frontier model that autonomously discovers zero-day vulnerabilities — unknown flaws in software that developers haven’t patched because they didn’t know they existed. ...

There’s a moment in every technology shift when the old rules stop applying and nobody’s figured out the new ones yet. We just hit that moment — and it’s happening in cybersecurity. Over the past 48 hours, Anthropic’s Claude Mythos model cracked Apple’s five-year, billion-dollar M5 security architecture in five days, sent U.S. banks scrambling to patch exposed systems, and drew a direct challenge from Microsoft’s own multi-agent cybersecurity platform. ...

Your bank is being patched at emergency speed right now, and you probably have no idea why. Anthropic’s Mythos — the AI model so dangerous it was never publicly released — is ripping through Wall Street’s cybersecurity posture like a chainsaw through wet paper. US banks are uncovering thousands of vulnerabilities they never knew existed. Japan’s three largest banks just got access. And the cybersecurity community is arguing about whether any of this is actually new. ...

You know an AI model is serious when it gets two superpowers to pick up the phone. Anthropic’s Claude Mythos — the model so good at finding software vulnerabilities that it treats global infrastructure like tissue paper — just did something no diplomat, treaty, or summit could manage. It’s pushing the US and China toward actual AI safety talks. Not the performative kind. The “we’re both terrified” kind. The Model That Broke the Silence Quick recap if you’ve been living under a rock: Mythos can autonomously discover and exploit software vulnerabilities at a scale that makes seasoned security researchers nervous. The UK’s AI Safety Institute confirmed it can “execute multi-stage attacks on vulnerable networks and discover and exploit vulnerabilities autonomously.” Anthropic says it’s found holes in every major browser and operating system. ...