alt Hacker NewsThe randomness is something we add on purpose; you can set an LLM's "temperature" to 0 to get deterministic output. This tends to make the quality of its responses worse for reasons I don't think anyone really understands, but it's still functional.
I don't think the state of the art LLM providers let you do this anymore (?), but they certainly could if they wanted to, and you can do it yourself with a local model.
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antx • yesterday at 6:36 PM
Setting the temperature to 0 mathematically tells the system to always choose the absolute highest-probability word (known as "greedy decoding"), but in no reality is this "deterministic". Output drift is still a thing.
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You can also use a seeded random generator to get the same random numbers each time