The Model Is the Brain. The Harness Is Everything Else.
This story is from 2026-10-09. It is preserved in the archive; the latest stories are on the live feed.
When an AI agent fails, the first reaction is usually: "We need a better model." But most of the time, the model isn't the problem. The problem is everything around it. That "everything around it" has a name: the harness . What is a harness? A language model on its own does one thing: it takes in t…
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- 2026-10-09 05:54 · DEV Community — AI
The Model Is the Brain. The Harness Is Everything Else.
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