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Anthropic offers EU access to Mythos<br>Bloc in talks to use American AI model in first expansion outside US and UK

Chief executive Dario Amodei has previously said that Anthropic is keen to share Mythos with US-allied governments © Ruhani Kaur/Bloomberg

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Laura Dubois in Brussels and Madhumita Murgia in London

PublishedJune 1 2026

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Anthropic has offered the EU access to its Mythos artificial intelligence model, in the first instance of expanded access to the highly capable cyber security software outside the US and the UK.<br>A spokesperson for the EU’s cyber security agency Enisa confirmed it was in talks to use the model, a development that was first reported by Bloomberg. “It’s been offered but the conditions are still being agreed,” the spokesperson said.<br>European Commission officials visited San Francisco last week to negotiate with the company about joining its so-called Project Glasswing — an industry coalition of mainly US companies that have been using it since early April to find and patch security vulnerabilities in their systems.<br>“I can confirm that the Commission had several productive meetings with Anthropic. We welcome the latest developments on potential future access,” European Commission spokesperson Thomas Regnier said on Monday.<br>“This is the result of the Commission’s strong bilateral co-operation and engagement with Anthropic,” he said, adding that “this latest development is of utmost importance to get a clear picture of the potential risks”.<br>The exact conditions for the EU’s access to Anthropic’s program still need to be defined, including how much access the US company would gain to the bloc’s own systems while using Mythos, according to people familiar with the discussions.<br>Anthropic declined to comment.<br>Earlier this year, Anthropic chief executive Dario Amodei told the FT that the company was keen to share Mythos with US-allied governments.<br>“We’re excited for the US government . . . and the governments of all our allies to use this technology to defend Ukraine, to defend Taiwan, to defend democracies under attack,” Amodei said in April. “But I don’t want them turned on our own people or used for undemocratic ends, whether by autocracies or our own governments.”<br>Recommended<br>InterviewLunch with the FT<br>Anthropic chief Dario Amodei: ‘I don’t want AI turned on our own people’

Anthropic initially limited the release of Claude Mythos Preview to a small group of companies considered part of critical infrastructure, due to its advanced cyber capabilities and the potential for it to be used as a weapon for cyber attacks. These included tech companies such as Microsoft and Apple, banks including JPMorgan, and cyber security groups such as CrowdStrike, among others.<br>The company has been working closely with the US government on testing and deploying the model internally with national security and other sensitive departments.<br>Outside the US, the UK government is the only known entity to have gained access via the government’s AI Security Institute, which evaluated it prior to its rollout.<br>Last week Anthropic said it was working on releasing Mythos to all its customers.<br>“Models of this capability level require stronger cyber safeguards before they can be generally released,” the company said in a statement. “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.”<br>Additional reporting by Paola Tamma in Brussels

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