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What Anthropic Says Has Improved in Opus 5.5

This story is from 2026-10-07. It is preserved in the archive; the latest stories are on the live feed.

I went back to Anthropic's docs to see what 5.5 changes about the verbosity, repeated checks, and unnecessary delegation I wrote about with Opus 5. I previously shared a CLAUDE.md file on Reddit after reading Anthropic's documentation and noticing how many of the complaints about Opus 5 had explana…

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  1. 2026-10-07 07:42 · DEV Community — AI
    What Anthropic Says Has Improved in Opus 5.5

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