Why Is the U.S. Restricting Access to Frontier AI?

The U.S. decision to restrict access to some of Anthropic's latest AI models over national security concerns directly affects EU-U.S. cooperation in cyberspace.

Rym Momtaz, Raluca Csernatoni, and Louise Marie Hurel discuss what this means for Europe's strategic autonomy and technological sovereignty.

[00:00:00] Intro, [00:01:01] The Securitization of Frontier AI, [00:18:12] Different Access Levels to Frontier AI Models, [00:26:04] Government vs. Public Access to Frontier AI.

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Louise Marie Hurel, June 22, 2026, “Gatekeeping the Frontier: When AI Access Becomes a National Security Concern (rusi.org/explore-our-research/publications/com…),” Royal United Services Institute.

Louise Marie Hurel, Elijah Glantz, and Daniel Cuthbert, “Developing a Framework for Secure Third-Party Access to Frontier AI (rusi.org/explore-our-research/publications/res…),” Royal United Services Institute.

Rym Momtaz, ed., May 7, 2026, “Taking the Pulse: Is it Worth it for Europeans to Placate Trump? (carnegieendowment.org/europe/strategic-europe/…),” Strategic Europe, Carnegie Europe.

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Raluca Csernatoni, June 2, 2025, “Can the EU Achieve its Tech Ambitions? (carnegieendowment.org/europe/posts/2025/06/can…),” Carnegie Europe.