The rumor was that the 5.5 is a brand new pretrain. But who knows, it's 2x as expensive as 5.4, so it would check out.
If so that would be big, they haven’t been able to successfully pretrain in close to two years (since 4o).
alt Hacker News
If so that would be big, they haven’t been able to successfully pretrain in close to two years (since 4o).