As impressive as Opus 4.5 is, it still fails in one situation that it assumes 0-index while the component it supposes to work with assume 1-index. It has access to the said information on disk, but just forgets to look into.

Opus 4.5 is incredible, it is the GPT-4 moment for coding because how honest and noticeable the capacity increase is. But still, it has blind spots just like human.