GitHub spills the beans about OpenAI’s GPT-5 model ahead of official announcement

Last month, OpenAI CEO Sam Altman said « we are releasing GPT-5 soon, » and on Sunday, Altman teased the GPT-5 by posting a screenshot on X that had « ChatGPT 5 » written in the top-left corner. A recent tweet from OpenAI’s official X account suggests the model will be launched later today at 5 PM UTC, but thanks to GitHub, you don’t have to wait that long to know more about GPT-5.

LIVE5TREAM THURSDAY 10AM PT— OpenAI (@OpenAI) August 6, 2025

GitHub, in a now-deleted blog post, mistakenly revealed some details about the GPT-5. The post stated that GPT-5 offers « major improvements in…