Report: Discord Group Uses Claude's Supposedly Secret Mythos

AI Enthusiasts Haven't Used Model to Probe for Vulns, Source Tells Bloomberg Greg Sirico • April 22, 2026

An unauthorized group of users gained access to Claude Mythos Preview artificial intelligence model and have regularly used it since the day that AI firm Anthropic revealed the model's existence while pronouncing it too dangerous to release to the public, reports Bloomberg.

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Anthropic made a splash when earlier this month it said it would reserve access to a select group of companies joined together under "Project Glasswing," with the understanding that they would use the model to find and fix security vulnerabilities before hackers get access to equally powerful tech. Members include Nvidia, Apple, Amazon and Cisco (see: Anthropic Calls Its New Model Too Dangerous to Release).

A source told Bloomberg the unauthorized users belong to a private Discord channel ...