Sycophancy in GPT-4o: What happened and what we’re doing about it
OpenAI Blog
April 29, 2025
We have rolled back last week’s GPT‑4o update in ChatGPT so people are now using an earlier version with more balanced behavior. The update we removed was overly flattering or agreeable—often described as sycophantic.
Verticals
airesearch
Originally published on OpenAI Blog on 4/29/2025