Anthropic releases a new Opus model amid Mythos Preview buzz - The Verge

So Anthropic, having watched its own Mythos model cause such a stir that it's still locked in the lab, has decided the best way to handle that is to release a new Opus model that specifically doesn't advance the 'capability frontier.' The company's press release states Claude Opus 4.7 is essentially a cybersecurity-focused tune-up, with 'additional safeguards' that sound suspiciously like a PR team's translation of 'we're still terrified of what Mythos might do.' This is the AI safety equivalent of putting a child lock on a nuclear reactor while the engineers argue about whether the reactor should exist at all.

Anthropic's announcement that findings from Opus 4.7's deployment will 'help work towards a broader release of Mythos-class models' is a masterclass in corporate euphemism. Translation: 'We're using our paying customers as beta testers for safety features we should have figured out before building something we're too scared to release.' The fact that this comes just days after Anthropic announced plans to hire 800 more people in London — following the strategic relocation we noted last week — suggests they're expanding their capacity to build things they won't release faster than ever.

The cybersecurity angle is particularly rich. Adding 'safeguards' to a model that's explicitly not pushing boundaries feels like installing a five-point harness on a stationary bicycle. But it does create the perfect corporate narrative: every cautious, incremental release becomes 'progress toward safety' rather than what it actually is — a stall tactic while the industry waits to see who blinks first on actually deploying dangerous capabilities. Anthropic gets to look responsible while doing exactly what every other lab is doing: building more capacity to build things that scare them.