---
title: "Tsinghua study: AI coding agents cut costs 26% by rewriting their own scaffolding"
date: 2026-11-02
source: http://www.bing.com/news/apiclick.aspx?ref=FexRss&aid=&tid=6ae888dcef5f4bf5ba010c49d320dd8a&url=https%3a%2f%2fwww.msn.com%2fen-us%2ftechnology%2fartificial-intelligence%2ftsinghua-study-ai-coding-agents-cut-costs-26-by-rewriting-their-own-scaffolding%2far-AA2gAwEC&c=7714332593166257815&mkt=en-us
description: "Tsinghua's HarnessPro cuts AI coding agent costs 26% while boosting accuracy without model retraining. Factory Droid 1.0 confirms harness engineering is now the primary AI optimization lever."
---

# Tsinghua study: AI coding agents cut costs 26% by rewriting their own scaffolding

Tsinghua's HarnessPro cuts AI coding agent costs 26% while boosting accuracy without model retraining. Factory Droid 1.0 confirms harness engineering is now the primary AI optimization lever.

*Published: 2026-11-02*