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OpenAI releases GPT-5.5 and signals larger AI breakthroughs coming, but admits recent progress has stalled

THE DECODER · 2026年4月24日

OpenAI releases GPT-5.5 and signals larger AI breakthroughs coming, but admits recent progress has stalled

AI要約

  • OpenAI deployed GPT-5.5 and its chief scientist Jakub Pachocki publicly stated that AI progress over the past period has been 'surprisingly slow' — a candid admission that the rate of improvement has not matched earlier expectations.
  • Pachocki promised 'extremely significant improvements' in the medium term, signaling that OpenAI believes the next generation of models will represent major leaps forward — meaning GPT-5.5 may be a stepping stone rather than the next major breakthrough.
  • For anyone using OpenAI's tools (ChatGPT, API customers, businesses building on the platform), this sets expectations: today's capabilities are closer to the baseline than the ceiling, so critical workflows should plan for major capability upgrades in the coming months rather than betting on incremental gains.

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