Post by Fidji Simo on X
Fidji Simo@fidjissimo
XGPT-5.1 is a great new model that we think people are going to like more than 5. But with 800M+ people using ChatGPT, one default personality won’t work for everyone. We launched new preset personalities so people can make ChatGPT their own.
t.co
1.2K likes165 repliesPosted Nov 12, 2025