I assume you don’t use Claude a lot? If you interact with it on a daily basis, it becomes your second instinct to identify its writing. Anthropic models talk like they are penalized by making sentences flow naturally. "The X I didn’t expect" is basically a mandatory section of a Claude-authored blog post at this point.

Was it 4.5 or 4.6 that started using "load-bearing" all the time? Boy, the first time I saw that I knew immediately that was the Next Big Tic for Claude.