Microsoft agentically ports Copilot runtime to Rust for $120K

Microsoft used AI agents to port its Copilot runtime from TypeScript to Rust, costing about $120K in tokens and three weeks of developer time, converting 430K lines across 135 releases into 800K lines of Rust with a 15.9x speedup on one benchmark.

• AI coding quality depends on managing it right2026-09-20
• Simulated students help AI tutors learn faster2026-09-20
• Microsoft director calls AI scraping 'largest theft of labor in human history'2026-09-19
• Prediction: Nvidia-backed AI stock Marvell could 10X by 20332026-09-19
• Microsoft's Suleyman Calls OpenAI's Latest AI Revelation a 'Serious Situation'2026-09-18