Anecdotally I noticed this in aider with 3.7 as well; the responses coming back from Claude 3.7 are wayyy more tokens than 3.5(+), and the model is a little less responsive to aider’s prompts. Upshot - it benchmarks better, but is frustrating to use and slower.

Using claude code, it’s clear that Anthropic knows how to get the best out of their model — and, the output spewing is hidden in the interface. I am now using both, depending on task.