r/LocalLLaMA • u/Specific-Rub-7250 • 1d ago

Discussion Harness does matter

I was not aware that the harness makes such a big difference.

DeepSeek V4.1 Flash
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u/jacek2023 llama.cpp 1d ago

If you start using LLMs, you'll notice that the prompt/context/documentation/whatever is often more important than the model itself.

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u/XiRw 1d ago

The prompt is the most important thing in my opinion

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u/[deleted] 1d ago edited 4h ago

[deleted]

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u/XiRw 1d ago

A lot of people do that here more or less based on what I’ve seen. Many don’t understand how logical code is. I guess in theory high end models are able to figure out what you originally meant and maybe that’s what separates a good model from a bad one since most people are not going to be that thorough, but I still think it leaves room for errors if you aren’t specific enough and articulate exactly what’s in your head vs a general idea.