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Claude Opus 5.5

1806 points · 1134 comments · km144

  1. ApolloFortyNine · · focus · HN ↗
    >Because Opus 5.5 is comparable to Claude Mythos 5.1 in biology and cybersecurity, we’re deploying it with safeguards similar to those on Claude Fable 5.1. Vetted organizations can apply today to our Life Sciences Verification Program to use Opus 5.5 for biology research. In the coming weeks we will also be expanding access to our Cyber Verification Program, and verified cybersecurity practitioners will be able to use Opus 5.5 for their work.

    Ah, they're spreading their limits to all their models it seems. Definitely not a good thing long term in my opinion.

    1. user43928 · · focus · HN ↗
      kernel development is now also banned:

      >Opus 5.5 has classifiers similar to Fable models for a small set of capabilities related to the development of frontier LLMs, such as kernel development for certain ML accelerators. They shouldn't impact the vast majority of traditional AI or ML development, research, or general coding. These classifiers cause Claude to fall back from Opus 5.5 to Opus 5.

      But hey, they 'should not impact the vast majority' of ML development. Great.

      1. dannyw · · focus · HN ↗
        IIRC it only blocks kernel development for Huawei and other Chinese chips.

        Fable and Opus, since 5.1 and 5, will happily hill climb on my CUDA kernels for transformers.

      2. solenoid0937 · · focus · HN ↗
        Absolutely nothing wrong with slowing down kernel development on Chinese chips.
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