Sources: CISA doesn't have access to Mythos Preview, even as some other government agencies use it; Anthropic says it briefed CISA before Mythos' unveiling (Sam Sabin/Axios)

Sam Sabin / Axios: Sources: CISA doesn't have access to Mythos Preview, even as some other government agencies use it; Anthropic says it briefed CISA before Mythos' unveiling — The Cybersecurity and Infrastructure Security Agency doesn't have access to Anthropic's powerful new Mythos Preview model …

Sources say NSA is using Mythos Preview, and a source says it is also being used widely within the DoD, despite Anthropic's designation as a supply chain risk (Axios)
Sources suggest Anthropic is holding off from a wider Mythos release until it can reliably serve it to customers; Anthropic has suffered outages in recent weeks (Financial Times)
Sources: Dario Amodei is set to meet with WH Chief of Staff Susie Wiles on Friday, a breakthrough in Anthropic's effort to resolve its fight with the Pentagon (Axios)
Sources: Anthropic largely left European regulators out of the loop as it limited Mythos' release to select companies and organizations; the UK AISI tested it (Politico)
White House says a meeting between Chief of Staff Susie Wiles and Dario Amodei had been 'productive and constructive'; source: Scott Bessent joined the meeting (Axios)

Source: Techmeme | 2026-04-21

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