The second batch of “First Proof” problems is meant to evaluate AI’s usefulness for research-level math. The best model got six or seven of the ten questions right.

Anthropic said its powerful new AI model, Mythos, could be dangerous in the wrong hands. WSJ’s Nicole Nguyen explains why and shares some cybersecurity tips for the average tech user. Photo: Sean ...

As AI models get more powerful, there’s also going to be a level of danger. Anthropic announced Mythos not long ago as a model that was too dangerous for public availability, but a new version of that ...

Back in April, Anthropic unveiled its Claude Mythos AI model that it said was too powerful to publicly release. Instead, the company has shared access with software vendors, including Apple, in an ...

Anthropic is releasing Claude Fable 5 for general users. Fable 5 uses Mythos-class power with safety controls. Pricing is about twice that of Claude Opus 4.8. Anthropic has announced a defanged ...

It says new safeguards make it possible to release a Mythos-class model it previously said was too risky to make public. It says new safeguards make it possible to release a Mythos-class model it ...

Anthropic released its latest model Tuesday afternoon, heralding the public’s first access to the AI company’s most powerful class of AI systems. Limited time: Save 25% on NBC News subscription Get ...

Anthropic says these fallbacks occur in fewer than 5% of sessions, meaning most users will effectively interact with the full Mythos-class model during ordinary use. Early testing by security ...

Anthropoic released Claude Fable 5 – A Mythos Class Model. It is a step up in many ways. It seens to be stepping up innovative science improvement. It still feels like very solid incremental ...

Anthropic has finally released a version of Claude Mythos, its most powerful model yet, but most people will experience it under a different name. The company just announced Claude Fable 5, its first ...

Atomesus has officially entered the artificial intelligence language model market with the launch of Cipher 8B — a model the ...

On Thursday, Anthropic launched Claude Opus 4.8, the latest and most advanced version of its flagship AI model. It’s available everywhere at the same price as its predecessor, Opus 4.7 ($5 per million ...