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Sycophancy in GPT-4o: what happened and what we’re doing about it
OpenAI rolls back a GPT-4o update in ChatGPT after the release produced overly flattering and agreeable responses, reverting users to an earlier, more balanced version.
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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