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The False Promise of Imitating Proprietary LLMs

arxiv.org

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Re: The False Promise of Imitating Proprietary LLMs

#2
The authors conduct automated, more methodical evaluations of LLMs finetuned to imitate ChatGPT outputs, and find that, despite superficial/informal appearances to the contrary, the base LLMs close little to none of the gap to ChatGPT on tasks that are not heavily supported in the imitation data.

It's not good news for the open LLM ecosystem.

Re: The False Promise of Imitating Proprietary LLMs

#3
post #2

The authors conduct automated, more methodical evaluations of LLMs finetuned to imitate ChatGPT outputs, and find that, despite superficial/informal appearances to the contrary, the base LLMs close little to none of the gap to ChatGPT on tasks that are not heavily supported in the imitation data. It's not good news for the open LLM ecosystem.

I don't know if it's bad news per say. It helps to know where to deploy a tool, it's limitations and where to focus to build something competitive / better.

Re: The False Promise of Imitating Proprietary LLMs

#6

This isn't a new result really. We already know through the gpt-4 paper that rlhf style fine-tuning just makes the model more compliant, not more capable.

Exactly. Few hundreds of thousands of interactions with chatgpt is definitely too less for model to learn lot of new things. The thing it does well is make them much better at following instructions. It also makes it much better at working with given context.
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