Post by Romain Huet on X
Romain Huet@romainhuet
XHello GPT-5.5!
Our best model yet is here. It’s smarter, faster, and gets more done.
I had the chance to capture first reactions from developers building with it: it writes better code, understands more complex tasks, and keeps going.
Can’t wait to see what you build with it!
151 likes13 repliesPosted Apr 23, 2026