https://www.bloomberg.com/news/articles/2026-04-21/anthropic-s-mythos-model-is-being-accessed-by-unauthorized-users
Article
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Unauthorized users gained access to Mythos on the same day Anthropic announced its limited release.
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A private online forum group has been using it without authorization since.
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Mythos is Anthropic’s most capable model, described as ‘too dangerous for public release’.
Discussion
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Irony noted: a frontier cybersecurity model couldn’t secure its own access controls.
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Commenters say the unauthorized access undermines claims of controlled, safe deployment.
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General sentiment: AI bubble may ‘explode rather than burst’ given incidents like this.
Discuss on HN