I compared Opus 4.8 vs. Opus 5 on 25 of my tasks to see what the difference was
- Opus: 11 events in the last 90 days
- Previous: 4 days earlier · DeepSeek debuts multimodal language model competitive with Opus 4.8
What happened
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.
Summary assembled by rule from the sources below