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TechRadar
John-Anthony Disotto

OpenAI's Deep Research smashes records for the world's hardest AI exam, with ChatGPT o3-mini and DeepSeek left in its wake

Humanity's Last Exam.

  • The accuracy achieved by the top-scoring AI in the world's hardest benchmark as improved by 183% in just two weeks
  • ChatGPT o3-mini now scores up to 13% accuracy depending on capacity
  • OpenAI Deep Research obliterates competition with 26.6% accuracy result
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