Simon Willison • 11/30/2025

ChatGPT is three years old today

This article reflects on the three-year anniversary of ChatGPT's launch. It details the low-key initial announcement by Sam Altman, internal skepticism at OpenAI, and the decision to release it despite focusing on other projects. It includes quotes from key team members on their surprise at its viral success and notes its growth to 800 million monthly users, cementing its status as a historic software launch.

0 comments

#artificial intelligence #large language models #ai