Two Open-Source Surprise Strikes: Alibaba's 2.4-Trillion-Parameter Model and Zhipu's Mysterious Powerhouse Unveiled in the Same Week
In the final week of August 2026, Alibaba's Qwen team open-sourced the 2.4-trillion-parameter Qwen3.8-Max, while Zhipu AI's Z.ai revealed that the mysterious "Ox Alpha" model on OpenRouter was actually GLM-5.3-Flash. The twin releases highlight contrasting open-source strategies, a 26-fold inference cost gap, and a shared bet on coding and agent workloads.