China's Z.ai says new model nears Anthropic's Mythos 5 in cyber-defence tests
Beijing, Aug 14 - Chinese AI startup Z.ai claims its open-source GLM-5.3 model has come close to matching Anthropic's restricted Mythos 5 in detecting software vulnerabilities, according to a report on August 14. Z.ai stated that GLM-5.3 scored 84.5 percent on CyberGym, a test measuring the model's ability to review code, identify security flaws, and confirm their authenticity, slightly outperforming Mythos 5's 83.8 percent.








