O1 is less powerful than O1-preview due to the less time it spends on thinking (compute time)
389 votes, 135 comments. I have asked the same coding question to both models 10 times and checked whether the code each model produced compiled…
https://www.reddit.com/r/OpenAI/comments/1h7qtaf/o1_is_less_powerful_than_o1preview_due_to_the/