Personally, I have Claude do the coding. Then 5.2-high do the reviewing.
I might flip that given how hard it's been for Claude to deal with longer context tasks like a coding session with iterations vs a single top down diff review.
Then I pass the review back to Claude Opus to implement it.
I have Opus 4.5 do everything then review it with Gemini 3.
I might flip that given how hard it's been for Claude to deal with longer context tasks like a coding session with iterations vs a single top down diff review.