Model Harnesses Are Becoming Crucial
dl_weekly · x · 2026-07-11
This newsletter highlights a point from Lilian Weng: the "harness" wrapping the model is becoming just as important as the model itself, and this outer layer can now even be optimized by the agents within it. The core message is that system performance is increasingly dictated by orchestration, tool usage, and execution frameworks around the model, rather than just raw model capabilities.
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