ZAI Shares Jump After Company Confirms and Open-Sources GLM-5.3-Flash
ZAI Co Ltd shares rallied after the firm publicly confirmed and open-sourced GLM-5.3-Flash, a 320-billion-parameter, mixture-of-experts model with native support for text, image, and video inputs and a 1-million-token context window. The model - previously circulating anonymously as 'Ox Alpha' - was released under an MIT license with weights upload…