Claude Mythos vs Opus 4.8: 90x More Firefox Exploits (opens in new tab)

I spent a few hours digging into Anthropic's Mythos Preview disclosure and the BleepingComputer report that Mythos-class models are coming to all customers "in the coming weeks." The headline numbers are wild. The conclusion is boring. Let me explain. TL;DR Mythos beats Opus 4.6 by ~90x on offensive security benchmarks (181 Firefox exploits vs 2 in matched tests). Opus 4.8 already matches Mythos on alignment scores — that's how Anthropic justified the public rollout. Mythos will likely cost $...