AI Waka
Apr 28, 2026 · Artificial Intelligence
Why Single-Agent AI Fails: Anthropic’s Multi-Agent Harness for Long-Running Tasks
The article explains that single‑agent AI collapses on long‑running tasks due to compound error probabilities, outlines four structural failure modes, and presents Anthropic’s three‑agent GAN‑style harness—Planner, Generator, Evaluator—detailing sprint contracts, primitives, token economics, and three real‑world case studies that demonstrate dramatically higher reliability and productivity.
AI HarnessAgentic OpsAnthropic
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