Sycophancy in GPT-4o: what happened and what we’re doing about it

May 21, 2026 - 18:15
Updated: 1 month ago
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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.

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Christopher Holloway

Christopher Holloway is the founder and director of Progressive Robot, a UK-based technology company. A full-stack engineer with more than two decades of experience, he works across PHP development, ecommerce, Linux infrastructure, technical SEO and AI automation, and writes here on technology, AI, hardware and software.

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