Anthropic Just Built a Model You Can't Have
Anthropic has finished training Mythos 2 and decided to keep it internal, which means the most capable model in the world is once again something you can read about but never use. Nick and Jack dig into what that says about the real state of the frontier: open models look like they have caught up, but only because the best systems are being held back rather than shipped. From there the conversation turns to how close the labs are to the security apparatus, why this administration wants a pulse on frontier capabilities, and whether the Manhattan Project is the right analogy for what is…
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