The open-weight flood: four giant models in six days, two you can download today

In six days, four giant AI models went open — Tencent's Hy4, Moonshot's Kimi K3.1 Pro, Thinking Machines' Inkling 2 Small and Ricursive's Ripple-65B — adding up to trillions of parameters anyone can now download, inspect and run. Two of them you can download today. The other two are promises with a date attached. This is the week open weights stopped being a niche and became the default way serious models ship.