# Why I Built Fugue: Controlled Experiments for Agent Systems

> **Platform:** [SPIDITS AI](https://spidits.com/) — Real-Time AI News & Market Intelligence  
> **Published:** 2026-10-02T15:21:05.000Z  
> **Category:** PRODUCT_LAUNCH  
> **Impact Score:** 90/100  
> **Primary Source:** [CoreWeave](https://wf.coreweave.com/blog/why-i-built-fugue-controlled-experiments-for-agent-systems)  
> **Canonical Citation:** [https://spidits.com/timeline/why-i-built-fugue-controlled-experiments-for-agent-systems](https://spidits.com/timeline/why-i-built-fugue-controlled-experiments-for-agent-systems)

## Executive Summary
Generating code got cheaper. Knowing which change actually helped did not. Fugue tests one agent-system change at a time, with human approval and evidence that has to reconcile.

## Referenced Coverage & Sources
- **[CoreWeave](https://wf.coreweave.com/blog/why-i-built-fugue-controlled-experiments-for-agent-systems)**: Why I Built Fugue: Controlled Experiments for Agent Systems — _Generating code got cheaper. Knowing which change actually helped did not. Fugue tests one agent-system change at a time, with human approval and evidence that has to reconcile._

---
*Synthesized by SPIDITS AI Market Intelligence Desk. Track live AI news, model releases, and funding: [https://spidits.com](https://spidits.com)*