It would be easier and faster to just train it on the stuff you want it to output. There are hundreds of billions of weights in models like gpt, and no one really knows what any individual one does.
this post was submitted on 06 Feb 2025
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With an ai model u can do what's called finetuning which is essentially training a pretrained model on a specific set of data to tweak the weights in the desired direction. There are multiple use cases for thus currently ie coding/specific language expert models, dolphin models for uncensored models, roleplaying finetunings etc etc.
We still have very little knowledge on how and what the weights in a model do. So manually tweaking them is unreasonable. There is lots of work related to trying to decode the meaning/purpose of specific neuron or group of neurons and if me manually boost/suppress it it will change the output to reflect as such.
I read a series of super interesting posts a few months back where someone was exploring the dimensional concept space in LLMs. The jump off point was the discovery of weird glitch tokens which would break GPTs, making them enter a tailspin of nonsense, but the author presented a really interesting deep dive into how concepts are clustered dimensionally, presenting some fascinating examples and, for me at least, explained in a very accessible manner. I don’t know if being able to identify those conceptual clusters of weights means we’re anywhere close to being able to manually tune them, but the series is well worth a read for the curious. There’s also a YouTube series which really dives into the nitty gritty of LLMs, much of which goes over my head, but helped me understand at least the outlines of how the magic happens.
(Excuse any confused terminology here, my knowledge level is interested amateur!)
Posts on glitch tokens and exploring how an LLM encodes concepts in multidimensional space. https://www.lesswrong.com/posts/8viQEp8KBg2QSW4Yc/solidgoldmagikarp-iii-glitch-token-archaeology
YouTube series is by 3Blue1Brown - https://m.youtube.com/@3blue1brown
This one is particularly relevant - https://m.youtube.com/watch?v=9-Jl0dxWQs8