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Claude Opus 5.5

1806 points · 1134 comments · km144

  1. sznio · · focus · HN ↗
    I'm more excited by the Haiku 5.5 announcement buried in this post. I'm wondering if we will finally get a decently capable fast model.
    1. enraged_camel · · focus · HN ↗
      We use Haiku 4.5 inside our product. It continues to be absurdly capable for converting natural language to structured JSON based on a set of fairly complex business rules.
      1. anthonypasq · · focus · HN ↗
        bro why. its literally the most overpriced model in existence right now. i could name about 10 models off the top of my head that would be better and cheaper
        1. enraged_camel · · focus · HN ↗
          We tried Luna and it scored way lower in our evals. Muse also. We haven't had a chance to test others.
          1. Game_Ender · · focus · HN ↗
            How much time were you able to put into tuning your prompts? And was it worse on all fronts (cost, latency, accuracy) or just some?
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