Andrew Ng: prompting will die in 7 months, harness engineering is what replaces it
blaizedsouza · x · 2026-10-05
Andrew Ng argues that "prompting will die in 7 months; harnesses are what will replace it." The accompanying article on harness engineering contends most people fix agents at the wrong layer — rewriting prompts, adding instructions, switching models, expanding context — when failures persist. Harness engineering is framed as the missing layer between smart models and reliable agents, providing context, safe tools, durable state, verification, and recovery.
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