Two Rulebooks: EU GPAI Enforcement Goes Binding Aug 2 as US Stays Voluntary

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With the August 2, 2026 activation of the EU AI Act's general-purpose-AI enforcement looming — binding obligations with penalties up to the greater of €15M or 3% of global turnover — the US–EU regulatory split is hardening. The June 2 US executive order took the opposite tack: a voluntary regime routing 'covered frontier models' through optional 30-day pre-release government access via NSA/CISA benchmarking. Builders shipping GPAI into Europe face a hard compliance deadline in roughly five weeks.