Why Anthropic's 'safe' Mythos-class model won't answer questions about cancer

The broad safeguards built into Anthropic's Claude Fable 5, a Mythos-class AI model, blocks some mundane requests on ...

Anthropic releases its first Mythos-class model to the public

Anthropic first announced Mythos in April, calling it a “step change” in capabilities, but opted to tightly control its ...

Anthropic Releases New ‘Mythos-Class’ Model to General Public With Guardrails

Queries about dangerous topics such as cybersecurity or bioweapons will be steered to an older Opus model.

Anthropic releases Fable 5 model, built on the same tech that spooked the government

Anthropic released its latest model Tuesday afternoon, heralding the public’s first access to the AI company’s most powerful ...

Anthropic just released public Mythos-class AI model called Claude Fable, details here

Back in April, Anthropic unveiled its Claude Mythos AI model that it said was too powerful to publicly release.

Anthropic Debuts Claude Opus 4.8, Teases Upcoming Launch of ‘Mythos-Class Models’

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 ...