It’s not your imagination — ChatGPT models actually do hallucinate more now

According to internal tests, newer models like o3 and o4-mini hallucinate significantly more than older versions, and OpenAI doesn't know why.

Apr 27, 2025 - 11:31
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It’s not your imagination — ChatGPT models actually do hallucinate more now
According to internal tests, newer models like o3 and o4-mini hallucinate significantly more than older versions, and OpenAI doesn't know why.