Not necessarily. If this huge model has taken months to pre-train and was expected to be released before, say, o3-mini, you could definitely have some last-min

Not necessarily. If this huge model has taken months to pre-train and was expected to be released before, say, o3-mini, you could definitely have some last-minute optimizations in o3-mini that were not considered at the time of building the architecture of gpt-4.5.