On 25 Stet Tasks, Opus 4.8 Wrote Smaller Patches. Opus 5 Searched Wider.

Opus 4.8 and Opus 5 tied on strict functional score across 25 matched Stet tasks, but their paired artifacts differed: Opus 4.8 had the lower footprint on 20 tasks, while Opus 5 ran more shell commands on 18 and more tests on 15.