GPT 4o series

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

1. GPT-4oReleased May 13, 20249.0#434

• Aug 272026ResearchChatGPT makes homework polished, but human thinking keeps it original
• May 32026ResearchOpenAI's o1 just beat doctors at ER triage
• Feb 122026AI modelsOpenAI is clearing out legacy ChatGPT models
• Jan 292026AI modelsOpenAI is retiring GPT-4o from ChatGPT
• Aug 192025IndustrySam Altman admits we're in an AI bubble, rejects sex chatbots
• Aug 132025AI modelsChatGPT rolls out GPT-5 speed controls and brings back 4o