The Open-Source Pincer - How GLM-5.1, the Frontier Model Forum Pact, and a $370B Capex Surge Signal a Phase Change in Closed-Model Defensibility
In a two-week window, Zhipu's GLM-5.1 matched Claude Opus 4.6 and GPT-5.4 on SWE-Bench Pro under an MIT license, the Frontier Model Forum was activated for the first time as a coordinated defense against Chinese distillation, and the closed frontier labs committed over $370 billion in fresh capex. Together these are not three stories. They are one.