Here's a screenshot from my locally hosted emotive audiobook narration software backed by Qwen3.6 for checking grammar (and invoking a custom SymSpell implementation for spelling):

https://i.ibb.co/2LLVZ0N/keenlore-proofread.png

It took about two hours to code using Opus 5.5. Finding and fixing grammar mistakes is quick. Not sure why magazines aren't doing similar checks.