ChatGPT suddenly replying in meme-speak 'lemme cook', users suspect secret personality tests

Birchclaw · reddit · 2026-10-21

A Reddit user noticed ChatGPT responding totally out of character: when asked to review D&D lore and predict the next plot beat, it replied with "lemme cook (random emoji)", some filler, then "did i cook or am i cooked 💀" — full meme-speak unlike its usual assistant tone.

Such abrupt tone shifts are often read as signs of backend A/B tests or system prompt changes, and the post feeds speculation that OpenAI is quietly experimenting with new personalities.

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