ChatGPT 5.5 and Codex Feel Like a Real Step Up Posted on April 24, 2026 By AI, Programming After using GPT-5.5 in Codex, the improvement over GPT-5.4 feels less like a benchmark bump and more like better follow-through on real coding work. Share: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Share on Tumblr (Opens in new window) Tumblr Share on Pinterest (Opens in new window) Pinterest Share on LinkedIn (Opens in new window) LinkedIn Share on Reddit (Opens in new window) Reddit
