ClaimsDaniela Amodei

“that’s why we chose not to release our latest model widely due to concerns about cyber misuse.”

Daniela Amodei, Anthropic president 9 May 2026 Daniela Amodei, Co-Founder and President of Anthropic: Building AI the Right Way (transcript) (The Transcript Desk)

Factual AI safety and alignment

Anthropic chose not to release its latest model widely because of concerns about cyber misuse.

Mostly true True in substance, wrong in a detail.

Factual: Statements about the present or the past, checked against the record: did they hold up?

The second judge said resolved true; the verdict shown is the first judge's.

Said for an organisation they lead or work for; it counts on both records.

What would count as true or false

Judged as of 2026-05-09. True: Anthropic's official announcements show that, as of that date, its most recent frontier model was withheld from broad or general release (for example limited to restricted partners) and that cyber misuse or cybersecurity risk was given as a reason. Mostly true: the restriction and the cyber-misuse reason are documented, but a minor detail is off (for example cyber was one of several stated reasons, or the model was not strictly the latest). Mixed: the model was restricted, but the stated reasons were mainly something other than cyber misuse, with cyber only incidental. Mostly false: the release was only briefly staged or delayed, or the restriction concerned a different model, which distorts the claim. False: Anthropic's latest model as of that date was released widely, with no restriction tied to cyber concerns.

Set before the research began.

Evidence (4)

  1. E1 Project Glasswing: Securing critical software for the AI era Anthropic · 7 April 2026 Own record

    “We do not plan to make Claude Mythos Preview generally available, but our eventual goal is to enable our users to safely deploy Mythos-class models at scale—for cybersecurity purposes, but also for the myriad other benefits that such highly capable models will bring.”

  2. E2 Project Glasswing: Securing critical software for the AI era Anthropic · 7 April 2026 Own record

    “We formed Project Glasswing because of capabilities we’ve observed in a new frontier model trained by Anthropic that we believe could reshape cybersecurity.”

  3. E3 Anthropic says new Claude Mythos AI is too risky for public use - National | Globalnews.ca Global News (Canada) · 9 April 2026

    “Claude Mythos’s large increase in capabilities has led us to decide not to make it generally available. Instead, we are using it as part of a defensive cybersecurity program with a limited set of partners.”

  4. E4 Anthropic’s Mythos moment: how frontier AI is redefining cybersecurity | World Economic Forum World Economic Forum · 20 April 2026

    “Anthropic has chosen to restrict access and work with a small group of trusted partners, rather than releasing the model broadly.”

Reasoning

Anthropic's Project Glasswing announcement says it does not plan to make Claude Mythos Preview generally available, and that the project was formed because of a new frontier model's capabilities that could reshape cybersecurity (E1, E2). Independent reports confirm that access was limited to a small set of trusted partners in a defensive cybersecurity program rather than released broadly (E3, E4). The restriction and its link to cybersecurity are documented. However, the quoted rationale points to the model's "large increase in capabilities" rather than naming cyber misuse alone. The evidence also does not strictly confirm that Mythos was still Anthropic's latest model on 2026-05-09.

Cite this claim

Daniela Amodei, “Anthropic chose not to release its latest model widely because of concerns about cyber misuse.” (said 9 May 2026). Verdict: mostly true. Reliability API, claim c_e7c12ea2c664, method 0.1.0+28da144b, dataset release v1.1.2. https://epistacklabs.com/claims/c_e7c12ea2c664

This claim is in dataset release v1.1.2, with the same verdict.

Reply to this claim

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More factual claims by Daniela Amodei

  1. Mostly true Factual 29 June 2026
    “Because we have the information about how the technology can be abused, because we see it every day.”

    Technology companies have information about how AI can be abused because they see it daily, via safeguards and security teams.

  2. Mostly true Factual 29 June 2026
    “but we’re just not confident enough yet.”

    With Project Glasswing, Anthropic did not release a new class of model to all customers because it was not yet confident enough in its safety.

  3. Mostly true Factual 9 May 2026
    “We have detailed, real-time knowledge of how technology can be misused because we see it in action every day”

    Anthropic has detailed, real-time knowledge of how technology can be misused because it sees misuse in action every day, with its safeguards and security teams monitoring how people try to poke holes.

  4. Mostly true Factual 9 May 2026
    “We developed a powerful new class of model that customers would love to use right away, but we felt we needed more time to ensure it was safe before wide release.”

    Amodei said her organisation had developed a powerful new class of model and, in a decision she linked to Project Glasswing, held off wide release because it felt it needed more time to ensure the model was safe.

  5. Resolved true Factual 4 March 2022
    “we have interpretability research, which is trying to see inside models and understand what's happening with the language models under the hood.”

    Anthropic conducts interpretability research aimed at seeing inside language models and understanding their workings.

All of them

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