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Fable 5 – Median thinking declined in August

428 points · 293 comments · espeed

  1. alexjplant · · focus · HN ↗
    I seem to recall Anthropic going on record saying that they don't do anything to model performance to stretch their compute capacity. I've anecdotally noticed massive peaks and troughs in performance week to week (albeit with Opus, not Fable).

    I wonder what their official explanation for this behavior is.

    1. espeed · · focus · HN ↗
      They did. More than once...

      Anthropic Walks Back Policy That Could Have ‘Sabotaged’ AI Researchers Using Claude <a href="https:&#x2F;&#x2F;www.wired.com&#x2F;story&#x2F;anthropic-responds-to-backlash-on-claudes-secret-sabotage-on-ai-research&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.wired.com&#x2F;story&#x2F;anthropic-responds-to-backlash-o...

      But it&#x27;s still happening: <a href="https:&#x2F;&#x2F;github.com&#x2F;anthropics&#x2F;claude-code&#x2F;issues&#x2F;81759" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;anthropics&#x2F;claude-code&#x2F;issues&#x2F;81759

      1. mirashii · · focus · HN ↗
        And here&#x27;s another great example of how a bunch of people who don&#x27;t know what&#x27;s going on throw noise into the system. That post is simply confused: the 1m opus calls are the auto-mode classifier, actual agent calls are still in Fable.
        1. espeed · · focus · HN ↗
          Look at the usage. Fable wasn&#x27;t being consumed.
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