AWS Unveils Frontier Agents Including Kiro, an Autonomous Coding Agent That Works for Days

Summary

At AWS re:Invent 2025, Amazon introduced a new category it calls "frontier agents" — autonomous AI systems designed to work independently for extended periods without human supervision. Three frontier agents were previewed: Kiro (an autonomous coding agent), AWS Security Agent, and AWS DevOps Agent. AWS CEO Matt Garman declared that "agents will have as much impact on your business as the internet or the cloud." Kiro, the most ambitious of the three, is an autonomous developer agent that can wo