With the release of GPT-6 Astra, OpenAI has quietly redrawn the boundary between the cloud and the personal machine, enabling AI agents to run locally on consumer and enterprise processors rather than through distant data centers. This architectural shift — announced in September 2026 and already embedded in GitHub Copilot — carries implications that extend well beyond software, touching the semiconductor industry and the long-standing question of who controls the computation that shapes daily life. Intel and AMD find themselves at an unexpected crossroads, positioned to benefit from a wave of