GLM-5

GLM-5 is a large language model developed by Zhipu AI, a Beijing-based AI research company, featuring approximately 744 billion parameters — making it one of the most powerful open-weight models ever released. GLM-5 is notable for being the first open-weight model to reach performance parity with OpenAI's GPT-5.2 across major benchmarks, including reasoning, coding, and multilingual comprehension. Unlike fully proprietary models from OpenAI, Google, or Anthropic, GLM-5's weights are publicly available, enabling organizations to deploy the model on their own infrastructure, fine-tune it for specialized domains, and maintain full data sovereignty. GLM-5 employs a Mixture-of-Experts (MoE) architecture, activating only a fraction of its total parameters per inference step, dramatically reducing compute costs relative to dense models of comparable capability. The model supports a 128K-token context window, enabling long-document analysis, complex multi-step reasoning, and deep code comprehension. GLM-5 represents a significant milestone in the global AI landscape, demonstrating that frontier-level intelligence is no longer the exclusive domain of Western tech giants. Its bilingual Chinese-English pretraining corpus gives GLM-5 a competitive edge in East Asian language tasks while remaining highly capable in European languages. At Context Studios, we have evaluated GLM-5 extensively for client deployments requiring on-premise inference or EU-compliant data handling. Its combination of open weights, extended context, and frontier performance makes GLM-5 a compelling alternative to closed, API-gated models for enterprises prioritizing control and compliance.