Anthropic's Powerful AI Model Too Dangerous to Release

Cybersecurity consortium formed to control access to advanced AI system ahead of Anthropic's IPO

Apr. 10, 2026 at 8:55am

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A highly detailed, 3D macro illustration of a glowing, neon-lit AI neural network architecture, with intricate circuitry and pulsing data flows, conceptually representing the immense power and complexity of advanced AI models like Anthropic's Mythos.Anthropic's powerful new AI model, Mythos, is too advanced to be released publicly, raising concerns about the growing security risks posed by cutting-edge AI systems.Syracuse Today

Anthropic, the AI company valued at around $380 billion and reportedly preparing for an IPO this year, has developed a new AI model called Claude Mythos that it deems too powerful and risky to be released publicly. Instead, the company is rolling out the model through an invitation-only initiative called Project Glasswing, restricted to defensive cybersecurity work and limited to around 40 organizations including tech giants like Amazon, Apple, Microsoft, and Cisco.

Why it matters

Anthropic's decision to tightly control access to its powerful new AI model highlights the growing concerns around the potential misuse of advanced AI systems. By partnering with major enterprise players, Anthropic is positioning itself as a leader in mitigating these emerging AI security risks, which could strengthen its standing with corporate customers ahead of its rumored IPO.

The details

The Mythos model significantly outperforms Anthropic's previous AI offerings, according to the company's own benchmarks. However, Anthropic has implied that Mythos is also much larger and more expensive to operate than its predecessor, Claude Opus. This may be one reason why the company is limiting access - it simply may not have the compute resources to serve Mythos at scale in its current state. Anthropic says it is working on safeguards for the model, and some customers may be willing to pay a premium for its capabilities. The company will also cover the first $100 million in costs for Glasswing participants.

  • Anthropic announced the Mythos model and Project Glasswing initiative on Tuesday, April 9, 2026.
  • Anthropic is reportedly preparing for an IPO later this year.

The players

Anthropic

An artificial intelligence company valued at around $380 billion and reportedly preparing for an IPO in 2026.

Dario Amodei

The CEO of Anthropic, who previously worked at OpenAI.

OpenAI

A rival AI lab that once made a similar call to withhold the GPT-2 model over concerns it could be misused.

Amazon

One of the technology companies participating in Anthropic's Project Glasswing initiative.

Apple

One of the technology companies participating in Anthropic's Project Glasswing initiative.

Microsoft

One of the technology companies participating in Anthropic's Project Glasswing initiative.

Cisco

One of the technology companies participating in Anthropic's Project Glasswing initiative.

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What they’re saying

“By creating a tightly controlled consortium and working directly with industry partners, Anthropic is 'taking a lead in the industry as to mitigating these new risks.' It's an approach that 'plays really well with the chief security officers of the world.'”

— Paulo Shakarian, Professor of Artificial Intelligence, Syracuse University

“I share Anthropic's concerns around Mythos' potential misuse, but I think there is also a resource limitation at play. Anthropic has not announced how large Mythos is, but has implied that it is many times larger—and more expensive—than Claude Opus. I think it is likely that they simply do not have the GPU and other compute resources available to serve it at scale.”

— Richard Whaling, Lead Researcher, Charlemagne Labs

What’s next

Anthropic has said it is already working on safeguards for the Mythos model, and AI models tend to become cheaper and more practical over time. Some customers may also be willing to pay a premium for the model's advanced capabilities.

The takeaway

Anthropic's decision to tightly control access to its powerful new AI model, Mythos, highlights the growing concerns around the potential misuse of advanced AI systems. By partnering with major enterprise players through its Project Glasswing initiative, Anthropic is positioning itself as a leader in mitigating these emerging AI security risks, which could strengthen its standing with corporate customers ahead of its rumored IPO.