Models & Stacks
Mythos Guide
A walkthrough of Mythos and how to set it up for your own builds.
Published April 2026
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Claude Mythos is Anthropic's newest frontier model, a general-purpose model that turned out to be strikingly exceptional at computer security. It was not specifically trained for it. That's what makes it dangerous: the same capabilities that help it fix software flaws could also exploit them.
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