November 4, 2026 Generally Available: Claude Haiku 5.5, Kimi K3 Claude Haiku 5.5 and Kimi K3 are generally available with full Kiro support across the Kiro IDE, CLI, Crew, and Web. Both models' Experimental labels no longer apply. The Kiro Excluded Models indemnity exception no longer applies to Claude Haiku 5.5; Kimi K3 remains a Kiro Excluded Model. To load the latest model list, restart the IDE or CLI, run kirocrew restart for Crew, or refresh Web in your browser. Learn more -> { PREVIOUS } Claude Haiku 5.5 Now Available { NEXT } Claude Fable 5.1 Preview Begins Rolling Out to Kiro Enterprise
Kiro: Generally Available: Claude Haiku 5.5, Kimi K3
First seen · AWS / Kiro
Models:Adds Claude Haiku 5.5 ·Adds Kimi K3