Developing3 outlets · over 4 days
Z.ai GLM-5.3 tops CyberGym, edges Mythos 5
Z.ai unveiled open-weights model GLM-5.3, scoring 84.5 percent on CyberGym, ahead of Anthropic's Mythos 5 and OpenAI's GPT-5.6 Sol. The company plans full access in two weeks after safety evaluation.
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