I had the same problem - Opus models past 4.7 tend to inflate output tokens for no good reasons, introduce innumerable jargons and is a pain to read. Then, I cam across this: https://github.com/ayghri/i-have-adhd/blob/main/skills/i-hav...

You can either install that skill or put the Rules section directly in your Global CLAUDE.md for Claude or Personalization setting for Codex and it should cut down the output verbosity by quite a fair bit.