Alibaba launches Qwen3.8-Max, a 2.4-trillion-parameter flagship

Alibaba released Qwen3.8-Max on 3 August 2026, the largest model the Qwen family has produced so far. It is a sparse mixture-of-experts design: 2.4 trillion parameters in total, of which roughly 95 billion are activated per token, with a context window of up to one million tokens. The model is available worldwide through Alibaba Cloud's Model Studio APIs and through QwenWork, the company's workplace agent platform. Alibaba said full model weights would follow for public download, alongside a smaller Qwen3.8-27B variant aimed at hardware-constrained deployments. On the Arena.AI leaderboard Qwen3.8-Max became the highest-ranked Chinese model for text tasks and placed second globally for vision, putting it in the same bracket as current frontier systems from OpenAI and Anthropic. Alibaba shares rose sharply in Hong Kong on the announcement.