GLM-4.5: Zhipu AI’s Open-Source Breakthrough in Multimodal AI Performance

GLM-4.5: Zhipu AI’s Open-Source Breakthrough in Multimodal AI Performance Visual representation of Mixture of Experts architecture (Source: Unsplash) Introduction: The New Benchmark in Open-Source AI Zhipu AI has unveiled GLM-4.5, a revolutionary open-source model featuring a MoE (Mixture of Experts) architecture with 355 billion parameters. Remarkably efficient, it activates only 32 billion parameters during operation while outperforming leading models like Claude Opus 4 and Kimi K2 across 12 standardized benchmarks. This comprehensive analysis explores its three core capabilities and technical innovations that position it just behind GPT-4 and Grok-4 in overall performance. Core Capabilities: Beyond Standard AI Functionality 1. Advanced …