
OpenAI says it was achieved with «our latest experimental reasoning LLM:»
1/N I’m excited to share that our latest @OpenAI experimental reasoning LLM has achieved a longstanding grand challenge in AI: gold medal-level performance on the world’s most prestigious math competition—the International Math Olympiad (IMO). pic.twitter.com/SG3k6EknaC
— Alexander Wei (@alexwei_) July 19, 2025
According to Alexander Wei at OpenAI, the model followed the same rules as the 670 humans lining up for the competition, which means it solved 5 of 6 exceedingly difficult problems within the allotted time of two sessions of 4.5 hours.
No tools, no internet
The exam allows no tools, no internet access, and only about 10%, or 67, of the human participants sitting for the exam managed to get a gold medal, writes Engadget.
The OpenAI model got 35 out of 42 points available, just barely above the barrier for winning the gold, according to the contest’s official web page.
Too soon for ChatGPT 5
ChatGPT 5 is coming «soon,» the Olympiad tweets say, but don’t expect this kind of performance from it. They won’t be releasing this model until «many months» from now, which is too soon for GPT 5, CEO Sam Altman confirms in his tweet on the issue:
we achieved gold medal level performance on the 2025 IMO competition with a general-purpose reasoning system! to emphasize, this is an LLM doing math and not a specific formal math system; it is part of our main push towards general intelligence.
when we first started openai,… https://t.co/X46rspI4l6
— Sam Altman (@sama) July 19, 2025
«This is an experimental model that incorporates new research techniques we will use in future models,» he says.
Read more: Alexander Wei’s post onXx, some background on Engadget.