o3 mini series

Each model's score on the Intelligence board (Intelligence Index) on the last day it was listed

1. o3-miniReleased Jan 31, 202512.5#341

• Jul 92025AI modelsOpenAI reportedly ready to launch open-weight model next week
• May 302025AI modelsAlibaba's QwenLong-L1 tackles the long-context AI reasoning barrier
• May 152025IndustryOpenAI launches $250k challenge to find ancient Amazon ruins
• Mar 312025Open sourceOpenAI is finally releasing an open-weight model
• Feb 122025AI toolsOpenAI expands ChatGPT file uploads and boosts reasoning limits
• Feb 62025AI modelsOpenAI pulls back the curtain on o3-mini's thoughts