GLM (Z.AI)

Z.AI's (Zhipu AI, Tsinghua-affiliated) open GLM model family — GLM-4.5 the agentic/reasoning/coding foundation model, GLM-4.7 a frontier-competitive reasoner that in this corpus beats GPT-5 High and Claude-Sonnet-4.5 on AIME2025/HMMT/IMOAnswerBench, and GLM-5.2 a 750B-total/40B-active open MoE trained with SAO, reported by Databricks as statistically tied with Opus 4.8 on quality at 34% less per task; the large-MoE open-weight line that competes on capability where Gemma competes on efficiency