Anthropic’s Claude Mythos AI Model Nearing Release After Raising Cybersecurity Alarms

Anthropic’s Claude Mythos AI Model Nearing Release After Raising Cybersecurity Alarms

Anthropic’s Claude Mythos AI Model Nearing Release After Raising Cybersecurity Alarms

https://decrypt.co/369383/anthropic-claude-mythos-ai-model-nearing-release-cybersecurity-alarms

Publish Date: 2026-05-28 14:27:00

Source Domain: decrypt.co

In brief

  • Anthropic said it expects to bring its Claude Mythos AI model to customers “in the coming weeks” after completing additional tests.
  • Claude Mythos has drawn scrutiny after researchers found it could autonomously identify vulnerabilities and complete complex cyberattacks.
  • Anthropic has limited Claude Mythos access through its Project Glasswing program.

Anthropic said Thursday that it expects to expand access to its Claude Mythos AI models “in the coming weeks,” signaling the company may soon move beyond the tightly restricted rollout surrounding the cybersecurity-focused system.

“We’re making swift progress on developing these safeguards and expect to be able to bring Mythos-class models to all our customers in the coming weeks,” Anthropic said alongside the announcement of its new Opus 4.8 model release.

The statement is Anthropic’s clearest indication yet that wider availability for Mythos is in the works, following months of warnings from researchers, governments, and cybersecurity experts about the model’s capabilities.

Anthropic did not say what safeguards still need to be completed before Mythos receives a wider rollout, or whether all customers will receive the same level of access once the model becomes more broadly available.

Anthropic did not immediately respond to a request for comment by Decrypt.

Users on Myriad—a prediction market platform operated by Decrypt’s parent company, Dastan—increasingly believe that the model will release by the end of June, giving that possibility a 44% chance as of that writing. That’s up from just 17.5% this morning.

Claude Mythos first surfaced in March after draft Anthropic blog materials leaked online. At the time, Anthropic described Mythos as “the most powerful AI model we’ve ever developed,” and positioned it as a new tier above the company’s cutting-edge Opus models.

“Although Mythos is currently far ahead of any other AI model in cyber capabilities, it presages an upcoming…

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