China's Z.ai launches model it says rivals Anthropic's Mythos

Artificial intelligenceGLM-5.3 boasts advanced performance on coding and security frontsChinese Z.ai is known for developing an AI model that defended against a cyberattack by OpenAI models. (Photo by Tomoko Wakasugi)TOMOKO WAKASUGIAugust 15, 2026 06:49 JSTSHANGHAI -- Chinese AI startup Z.ai has released a model with enhanced coding and security capabilities said to rival leading competitors, the company announced Friday.Read NextArtificial intelligenceDeepSeek releases official V4 Pro model with sharply higher user pricesArtificial intelligenceMoonshot AI's CEO turned down Apple and built Chinese rival to AnthropicEquitiesChipmaker CXMT becomes China's most valuable company as Tencent slipsArtificial intelligenceAlibaba's new Qwen AI model falls short of 'second only to Fable 5' claimArti