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Applied AI·October 24, 2026·1 min read

OpenAI Built a Giant Fake Internet for Its Agents to Use and Abuse Safely

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A sandboxed ‘fake internet’ for agents is a clear move toward industrial-scale agent training and red-teaming — closer to a simulated economy than a unit test. If you’re building agentic systems, assume eval expectations are rising fast: regulators and enterprise buyers will increasingly ask what synthetic environments you use to test failure modes before touching real users or data.