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The ReadOpenAI Blog

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

OpenAI publicly identified and corrected a behavioral regression in its flagship model—a sycophancy issue that degraded response quality. This is a real-time case study in how AI safety and alignment failures reach production, and the operational cost of fixing them post-deployment.

GPT-4o update rolled back due to overly sycophantic behavior