GLM 5.2: China's Open Frontier Model Dropped the Day Anthropic Got Banned [2026]
ZhipuAI released GLM 5.2, a fully open-source 744B-parameter Mixture-of-Experts model with MIT-licensed weights, on June 13, 2026—the same day the US government restricted Anthropic's Claude Fable 5 under a new 'Mythos-c…