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Sycophancy in GPT-4o: What happened and what we¡Çre doing about it | OpenAI

https://openai.com/index/sycophancy-in-gpt-4o/

GPT-4o Is An Absurd Sycophant - by Zvi Mowshowitz

https://thezvi.substack.com/p/gpt-4o-is-an-absurd-sycophant

A comparison of ChatGPT/GPT-4o's previous and current system prompts

https://simonwillison.net/2025/Apr/29/chatgpt-sycophancy-prompt/

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