PaperAgent

Aug 15, 2026 · Artificial Intelligence

DeepSeek Harness Open‑Source and Alibaba’s LongHorizon‑Harness: MEA Loop Boosts Long‑Horizon AI Agents

The article introduces DeepSeek Harness and Alibaba’s LongHorizon‑Harness, explains their Manage‑Execute‑Audit (MEA) loop for explicit task‑state management, and shows benchmark improvements—WeaveBench up to 80.7%, OSWorld 3×, Terminal‑Bench 77.2%—while analyzing token costs, compute allocation, and case studies of failure recovery.