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OpenAI's chief scientist trusts AI with experiments but says it's not at the level to design complex systems

THE DECODER / 3/21/2026

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Key Points

  • OpenAI's chief scientist Jakub Pachocki says AI now handles experiments that previously took him about a week, showing significant productivity gains.
  • He notes that AI is not yet capable of designing or running complex systems on its own.
  • The statements indicate a shift toward AI-assisted experimentation within OpenAI's research and development workflow.
  • The article highlights ongoing limits and guardrails in deploying AI for high-stakes engineering tasks and design decisions.

OpenAI Chief Scientist Jakub Pachocki used to write every line of code by hand. Now AI handles experiments that once took him a week, but he's not ready to let it run the show.

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