# GitHub Copilot Fusion Is GA: Model Routing That Halves AI Coding Costs > Source: > Published: 2026-10-30 05:12:36+00:00 GitHub Copilot Fusion is now generally available. The model router cuts AI coding costs by 51% using three execution patterns. Here is what developers need to know. The post GitHub Copilot Fusion Is GA: Model Routing That Halves AI Coding Costs appeared first on byteiota .