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craigmarttoday at 3:10 PM1 replyview on HN

This is something we have known for a very long time, and companies are not trying to hide that either. They do it to avoid letting competitors train their models on the CoTs


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stingraycharlestoday at 3:20 PM

Yes hasn’t this been around since Opus 4.6? I very much recall this change happening around January or February, and it was very explicitly to prevent distillation. Sonnet does not have this limitation.

Fun fact: if you go back to the old school from 2 years ago and provide explicit CoT prompts, you get the full thinking prompts back again!

So you disable thinking altogether, and instead make thinking part of the regular prompt by prompting it:

“Before providing your answer, think step by step. For example:

The use is asking me to… I need to think about the blah blah. First, I should foo the bar, and then blah blah.

Answer: <put your final answer here>”

And tada.wav we have CoT as it worked in the GPT3 era back again.

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