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Claude Opus 5.5

1806 points · 1134 comments · km144

  1. sailingparrot · · focus · HN ↗
    > Claude Opus 5.5 is our first release since we called for pacing the frontier.

    Interesting how the very first line is used to remind the reader of their call to pace the frontier just last week, and everything else after that line is to demonstrate with very specific numbers how they absolutely are not pacing.

    1. maxutility · · focus · HN ↗
      I think a lot of outsiders interpret “pace the frontier” as slowing down, whereas the labs see AI improvements on track to accelerate dramatically and intend pacing as slowing the acceleration in capability improvements, rather than slowing down altogether.
      1. rudedogg · · focus · HN ↗
        I think the market didn’t react like they expected and now they’re like “jk”.
      2. sailingparrot · · focus · HN ↗
        I’m an insider, 10 years working on LLM. 1/6th of the cost for roughly the same performance as fable 5.1, 21 days after fable 5.1 came out, this does not feel like the derivative is flattening.
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