Meta unveils new ‘open’ AI model to rival Chinese competition

Meta on Thursday launched a new open-weight AI model which it claims rivals, and in some cases outperforms, similar products from leading Chinese developers.
Muse Spark Open “is the most capable US open-weight model to date,” Meta’s chief of AI Alexandr Wang wrote on X.
Unlike with so-called closed models — such as Anthropic’s Claude or OpenAI’s ChatGPT — developers can download the parameters, or weights, of an open-weight model and then customize it.
Chinese developers have emerged as dominant players in the open-weight market for AI models over the past couple of years.
Alibaba’s Qwen, Moonshot AI’s Kimi K3 and Z.ai’s GLM models have been considered open-weight frontrunners glo...