China's Z.AI Ships GLM-5.3, Calling It the Top Open-Weight Coding Model - Decrypt

Zhipu AI releases GLM-5.3, claims it's the strongest open-weights coding model

Zhipu AI releases GLM-5.3 open-weights coding model claiming strongest agent performance; found 2,436 vulnerabilities across 269 projects via exploitation-chain reasoning. Chinese open-weights models now rival US frontier alternatives on coding+security—critical signal reshaping LLM stack decisions for cost-aware and vendor-independent teams.