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Once Claude can measure something, it can make it faster

231 points · 153 comments · matthieu_bl

  1. hungryhobbit · · focus · HN ↗
    How about you make Opus 5.5 actually work?

    I had it try to prepare a code review for me. Not only did it refuse, it refused to even tell me what the prompt (written by another Claude!) was. Why?

    When I had another model read the session (all of the "stupider" models handled it just fine) it explained that it had the word "reasoning" in it

    That's the entirety of Anthropic's billions of dollars of research: any prompt with the word "reasoning" is trying to hack Claude to figure out how it reasons!

    A model like that should never have gotten out of QA, let alone been released.

    1. dolmen · · focus · HN ↗
      This issue is mentioned on the Opus 5.5 post [1] from Anthropic (no idea if it has been added after your rant):

        > Don’t ask it to show its reasoning in the reply
        >
        > What to do. Remove requests to reproduce its internal reasoning in the reply from your prompts and instructions.
        >
        > Why it matters on Opus 5.5. A request to reproduce its internal reasoning in the reply can be declined. It’s one of the flag categories.
        >
        > How. Ask Claude for what you need instead, for example, “Explain why you chose this approach in three sentences.”
      
      [1]: <a href="https:&#x2F;&#x2F;claude.dev&#x2F;blog&#x2F;getting-the-most-out-of-opus-5-5&#x2F;" rel="nofollow">https:&#x2F;&#x2F;claude.dev&#x2F;blog&#x2F;getting-the-most-out-of-opus-5-5&#x2F;
      1. crooked-v · · focus · HN ↗
        That&#x27;s extremely stupid, but also it&#x27;s a completely different thing from literally just having the word &quot;reasoning&quot; in the text.
        1. rendaw · · focus · HN ↗
          If only we had some sort of artificial intelligence-like system that could decide not only based on the word but also surrounding context, and maybe even in cases when that word is not specifically used.
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