tech

April 25, 2026

OpenAI releases "Spud" GPT-5.5 model

AI releases are getting faster, more efficient and more powerful.

OpenAI releases "Spud" GPT-5.5 model

TL;DR

  • OpenAI launched GPT-5.5 ('Spud'), its most capable model to date.
  • The new model is faster, sharper, and handles multi-step workflows more autonomously.
  • GPT-5.5 shows strongest improvements in coding, computer use, office work, and scientific research.
  • Users can provide complex, multi-part tasks for GPT-5.5 to plan and execute.
  • Early access users reported significant time savings on work tasks.
  • The model was trained on Nvidia's GPUs, with Nvidia employees gaining access.
  • Nvidia's new chips significantly reduce the cost of running advanced AI.
  • OpenAI is focusing on enterprise adoption following increased competition.
  • The economics of running AI systems may become as crucial as the models themselves.

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