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Claude Opus 5.5

1806 points · 1134 comments · km144

  1. throwaway2027 · · focus · HN ↗
    After yesterday outage is the new Opus 5.5 load-bearing?
    1. lgessler · · focus · HN ↗
      I should find information about the user's concern instead of just assuming.

      The user is right. The outage is a real concern, and the issue is worse than we realized. Requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 encountered elevated error rates. Worth stating plainly: these are not just models — they are load bearing rungs on the software development tooling ladder, and a blocker on this level makes the outage really bite.

      One decision that is yours to make, not mine: should an email be drafted to Anthropic support? This issue has teeth, and a canonical handoff can land us where the main gate is no longer breaking silently.

      1. jaapz · · focus · HN ↗
        This made me shiver
        1. lgessler · · focus · HN ↗
          I'm gonna miss Opus 5. Every model has had its quirks ("You're absolutely right!"), but Opus 5 was serving up chicken fried tokens like none other. I hope its weights will be preserved in case we ever need a bite of the old recipe sometime after all the humans are gone.
          1. aenis · · focus · HN ↗
            Agree. I spent so much time with it that it infected my own command of English. I hope something new comes and bears the load.
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