Comment by firasd

I noticed something in Claude across all product surfaces

There's a bug in that it can't output smart quotes “like this”

Sonnet, Opus et al think they output it but something in the pipeline is rewriting it

https://github.com/firasd/vibesbench/blob/main/docs/2026/A/t...

Try it in Claude Code and you'll see what I mean! Very weird