18 Jun, 2026

Anthropic rolls out Claude Fable 5, but it’s available for a limited time

Anthropic has begun rolling out a new model called “Fable,” which is based on the same underlying model as Mythos, its most powerful AI model class. Anthropic previously said that it developed a model called “Mythos,” which is a state-of-the-art model that poses security risks to companies around the world. At that time, Anthropic noted […]

3 mins read

Anthropic confirms Claude Mythos-class models will roll out to the public

Anthropic has confirmed that it plans to bring Mythos-class models to the general public after delaying the rollout due to security risks to public and private software. Mythos was announced in April as a restricted model and was made available only to select companies, including security researchers. At that time, Anthropic cited major “security” risks with […]

2 mins read

Anthropic’s restricted Claude Mythos model may be coming to Claude Code

Anthropic appears to be preparing for the public rollout of “Mythos,” which was announced in April as a restricted model that poses major security risks to private and public software. On April 7, Anthropic announced the Mythos in early preview and called it a new frontier model with strikingly advanced capabilities in computer security tasks. Anthropic […]

2 mins read