PaperAgent

Mar 29, 2026 · Artificial Intelligence

Why Model Power Isn’t Enough: Inside Anthropic’s Harness for Building Real AI Applications

The article analyzes Anthropic’s Harness framework, showing how combining a planner, a generator model, and an automated evaluator transforms powerful language models into reliable, end‑to‑end AI applications, highlighting the engineering challenges, iterative feedback loops, cost trade‑offs, and evolving design as models improve.