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At a White House summit, Xi Jinping says the US and China have "the capability and responsibility to develop and manage AI for good" as "leading nations" in AI (Mallory Wilson/The Hill)

Chinese President Xi Jinping said Thursday the U.S. and China have an obligation to manage the development …

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Harness Engineering 101: How Coding Agents Actually Work

Take one model and give it 169 real bug-fixing tasks from SWE-bench Verified. Keep the weights, the tasks and the context window exactly the same.

  • Harness engineering optimizes model performance in tasks
  • Agent combines model with harness to complete tasks
  • Loop engineering wraps harness in additional loops

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