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Because in my use cases they are? Coding and math, science research are my primary use cases and codex with o3 and o3 consistently outperforms others in complex tasks for me. I can’t say a model is better just to appeal to HN. If another model is as good as o3 id use that in a second.

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I also feel similarly. o3 feels quite distinct in what it is good at compared to other models.

For example, I think 2.5 Pro and Claude 4 are probably better at programming. But, for debugging, or not-super-well-defined reasoning tasks, or even just as a better search, o3 is in a league of its own. It feels like it can do a wider breadth of tasks than other models.

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