Stop Anthropomorphizing Intermediate Tokens as Reasoning/Thinking Traces (2025)
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Re: Stop Anthropomorphizing Intermediate Tokens as Reasoning/Thinking Traces (2025)
#2This paper addresses something that has always bothered me about LLMs. You read their reasoning, see something like “Wait, that’s wrong” and then watch them make the exact mistake they just identified.
Re: Stop Anthropomorphizing Intermediate Tokens as Reasoning/Thinking Traces (2025)
#3In other words, it isn't qualitatively different from character dialogue. "Keep cheese on your pizza by using glue" is the same problem regardless of whether the script calls for the character to speak it out-loud or not.
Re: Stop Anthropomorphizing Intermediate Tokens as Reasoning/Thinking Traces (2025)
#4Re: Stop Anthropomorphizing Intermediate Tokens as Reasoning/Thinking Traces (2025)
#5> While a human may say “aha” to indicate exactly a sudden internal state change, this interpretation is unwarranted for models which do not have any such internal state, and which on the next forward pass will only differ from the pre-aha pass by the inclusion of that single token in their context. Interpreting the “aha” moment as meaningful exemplifies the long-neglected assumption about long CoT models – the false…
Re: Stop Anthropomorphizing Intermediate Tokens as Reasoning/Thinking Traces (2025)
#6Seems like they are closer to scratch than reasoning... Generating some scratch to draw from helps make it easier to compute the real answer.
Re: Stop Anthropomorphizing Intermediate Tokens as Reasoning/Thinking Traces (2025)
#7> While a human may say “aha” to indicate exactly a sudden internal state change, this interpretation is unwarranted for models which do not have any such internal state, and which on the next forward pass will only differ from the pre-aha pass by the inclusion of that single token in their context. Interpreting the “aha” moment as meaningful exemplifies the long-neglected assumption about long CoT models – the false…
By itself, "aha" carries no insight, but the insight is probably stated immediately after it. In that case the aha is semantically useful, by identifying the insight it is near.
when utilized by AI, it's a probabilistic output and it's variable whether or not that rhetorical trick is useful. it also pushes a non-skeptical reader to focus too much on the following text or even to believe that they, themselves, derived some insight. this is effectively a kind of persuasive sophistry which is not helpful - adding rules around it prevents people from deluding themselves with AI
Re: Stop Anthropomorphizing Intermediate Tokens as Reasoning/Thinking Traces (2025)
#8Thinking traces should be treated as black boxes. There is no point in reading them. Only the LLMs’ conclusions are relevant. This is particularly true of Opus 5, which employs reasoning that seems highly questionable but very often reaches excellent conclusions (compared to its peers)
Re: Stop Anthropomorphizing Intermediate Tokens as Reasoning/Thinking Traces (2025)
#9> While a human may say “aha” to indicate exactly a sudden internal state change, this interpretation is unwarranted for models which do not have any such internal state, and which on the next forward pass will only differ from the pre-aha pass by the inclusion of that single token in their context. Interpreting the “aha” moment as meaningful exemplifies the long-neglected assumption about long CoT models – the false…
By itself, "aha" carries no insight, but the insight is probably stated immediately after it. In that case the aha is semantically useful, by identifying the insight it is near.
If the intermediate tokens represent reasoning or thought, you would expect "aha" to occur after the thoughts that led to the realisation, including the thoughts encoding the explanation: they don't have any other state. There is no reason to draw the conclusion you've drawn. Furthermore, what LLMs are doing isn't thought.
Re: Stop Anthropomorphizing Intermediate Tokens as Reasoning/Thinking Traces (2025)
#10Poster side dialogue and Q&A about this work at ICML.