GLM-5.2 is the new leading open weights model on Artificial Analysis

Z.ai’s open-weights GLM-5.2 beats GPT-5.5 on multiple long-horizon coding benchmarks for 1/6th the cost

Zhipu AI’s stock rockets after Chinese firm makes GLM-5.2 open source

Artificial Analysis overhauls its AI Intelligence Index, replacing popular benchmarks with 'real-world' tests