Post

Nicholas C. Zakas
@humanwhocodes.com

Impressed with Opus 5.5 so far. I've been using it on a project where I previously used Sonnet 5 exclusively and Opus 5.5 is not only better but it's actually using up less of the five-hour and weekly limits than Sonnet did while accomplishing the same amount of work.

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Francois Ward
@phoenixmatrix.bsky.social

I have both Claude and Codex accounts plus a harness setup with Open Router, and right now Opus 5.5 beats everything for dev including Fable/Astra. It's so good. Sonnet 5 was really REALLY bad though, so that must be a huge jump here.