[X]score: 0.10
Did we ever learn what model won gold at the IMO from OpenAI? It was a year ago and it was called an unreleased internal general purpose model back…
May 20, 2026
A question circulating about whether GPT-5.5 Pro has matched the unreleased OpenAI model that won IMO gold roughly a year ago. No new technical information; highlights ongoing opacity around OpenAI's internal model lineup.