Technology

Anthropic says new AI model too dangerous for public release

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by Miranda Nazzaro - 04/09/26 2:18 PM ET

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by Miranda Nazzaro - 04/09/26 2:18 PM ET

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Anthropic announced this week it will hold back the full release of its new AI model because it believes it is too dangerous for the public at this stage.

The model, called Claude Mythos Preview, will be available to a select group of technology firms, including Microsoft, Apple, CrowdStrike and Amazon Web Services, along with more than 40 organizations that build critical software infrastructure, the AI firm announced Tuesday.

This consortium is part of Anthropic’s new initiative Project Glasswing, which will focus on identifying and patching security vulnerabilities in critical software programs. The company said the initiative was formed after the company discovered the capabilities of Mythos Preview, stating the model “could reshape cybersecurity.”

The AI firm claimed Mythos Preview already found thousands of high-security vulnerabilities, including some in every major operating system and web browser, that were previously unknown to the software’s developers. Some of these vulnerabilities date back more than two decades, according to Anthropic.

Prior to AI models like Mythos, these vulnerabilities could go undetected for years given the limited security expertise on the topic. Now, the technology is providing opportunities for hackers and foreign adversaries to more easily detect these vulnerabilities.

“Given the rate of AI progress, it will not be longer before such capabilities proliferate, potentially beyond actors who are committed to deploying them safely,” Anthropic wrote in its announcement. “The fallout — for economics, public safety, and national security — could be severe.”

The company added, “Project Glasswing is an urgent attempt to put these capabilities to work for defensive purposes.”

Anthropic notes these capabilities, while dangerous, also provide opportunities to more easily find and fix flaws in software, and make new software with fewer security bugs.

“Project Glasswing is an important step toward giving defenders a durable advantage in the coming AI-driven era of cybersecurity,” Anthriopic wrote.

Glasswing’s partner companies will use Mythos Preview in their defensive security work and findings will be shared by Anthropic for the whole industry. The organizations that build or maintain critical software infrastructure will use the model to scan first-party and open-source systems, Anthropic said.

The company will commit up to $100 million in usage credits and $4 million in direct donations to open source security organizations.

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