OpenAI Blog · Apr 29, 2025
Sycophancy in GPT-4o: what happened and what we’re doing about it
Reviewed by Errol Vogt, Site support technician & online learning analyst · original summary · editorial policy
Sycophancy in GPT-4o: what happened and what we’re doing about it. 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. This update is relevant for small-office operators tracking changes in their tools.
Operator takeaway: For operators: review whether 'Sycophancy in GPT-4o: what happened and what we’re doing about it' affects your current setup before relying on it in production.
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