Interactive Timeline
June 11, 2018
GPT-1 Released
February 14, 2019
GPT-2 Released
December 11, 2019
OpenAI founded as for-profit
May 28, 2020
GPT-3 Released
November 30, 2022
ChatGPT Launched
February 7, 2023
Microsoft's
0B Investment
March 14, 2023
GPT-4 Released
November 6, 2023
Custom GPTs Launched
Welcome to ChatGPT History
Select a timeline event to explore the fascinating history of ChatGPT and its development. Click on any point above to learn more!
Quick Stats
Launch Date
Nov 30, 2022
100M Users in
2 months
Based on
GPT-3.5/4
Training Method
RLHF