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How fast is Chinese AI catching up with the U.S.? Tech world divided

One of the most important yet hardest-to-assess issues in AI security is how quickly China is developing top-tier AI models, Axios reported. China’s Z.ai drew attention with its open-source GLM-5.2 model, which was seen as matching Anthropic Opus4.8 in agentic capabilities. While some assessments say the U.S. lead has nearly vanished, others argue benchmarks do not prove China has solved compute and infrastructure constraints needed for frontier competition.