tech

April 30, 2026

ChatGPT 5.5 scored 87 where the next best model scored 67. Here's what that gap looks like in real work.

Using GPT-5.5 for the first time was the most blown-away I have felt about a model release in a while, and the reason is not benchmark scores. The reason is that I handed it the kind of work that breaks models, the kind with messy files and legal risk and 23 deliverables that have to open in the right format, and it came back with something close to a real executive handoff. That has not happened before.

ChatGPT 5.5 scored 87 where the next best model scored 67. Here's what that gap looks like in real work.

TL;DR

  • GPT-5.5 excels at complex, multi-step work, surpassing previous models.
  • Its strength is enhanced by a system including Codex, computer use, and Images 2, enabling task completion.
  • The model performed exceptionally well on an executive knowledge-work package, a data migration, and a 3D research build.
  • Areas for improvement include backend hygiene and visual design capabilities.
  • The review details routing strategies for using GPT-5.5 and other models for real-world work.
  • Five advanced prompts are provided to push the boundaries of what can be delegated to AI.

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