Core Insights - OpenAI's internal reasoning model has won the IOI 2025 gold medal, outperforming 325 human competitors and ranking 6th overall, 1st in the AI category [1][7][12] - The model used for IOI is the same as the one that won the IMO gold medal, without any special training for the IOI competition [5][12] - OpenAI's model achieved a significant improvement in ranking, moving from the 49th percentile to the 98th percentile within a year [12][20] Group 1 - The internal reasoning model was represented by a strawberry image, which may evolve into the official mascot for OpenAI's internal reasoning system [2] - The model participated in the IOI online competition with 330 total participants, where the top five positions were held by human competitors [8] - OpenAI confirmed the model's high score and its ranking in the IOI competition, highlighting its performance against human participants [7][12] Group 2 - The model operated under the same constraints as human participants, with a 5-hour time limit and a maximum of 50 submissions, without internet access or external search capabilities [12][14] - OpenAI's internal model is not accessible to the public, distinguishing it from commercial models [14][20] - In contrast, commercial models like Grok 4 showed poor performance in the IOI, with Grok 4 achieving only 26.2% accuracy [15][16] Group 3 - The competitive landscape in AI is intense, with major companies like OpenAI, Google, and Anthropic vying for top rankings in prestigious competitions [22][27] - Winning competitions like IOI and IMO serves as a powerful marketing tool, enhancing brand recognition and attracting talent and investment [24][27] - The ongoing competition among AI giants reflects the rapid technological advancements and the industry's competitive nature [24][27]