Fable 5

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 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. ...