{"slug": "zhipu-ai-releases-glm-5-3-claims-it-s-the-strongest-open-weights-coding-model", "title": "Zhipu AI releases GLM-5.3, claims it's the strongest open-weights coding model", "summary": "Zhipu AI released GLM-5.3, claiming it is the most powerful open-weights coding model, with a 50 percent improvement over its predecessor through post-training alone. Trained for cybersecurity, GLM-5.3 helped security teams find 2,436 vulnerabilities across 269 projects. The model weights are set to go open source in two weeks.", "body_md": "# Zhipu AI releases GLM-5.3, claims it's the strongest open-weights coding model\n\nBy Matthias BastianSource:\n\n[The Decoder](https://the-decoder.com) Zhipu AI has released GLM-5.3, a model that, according to its own benchmarks, is the most powerful open-weights coding model, with a 50 percent improvement over its predecessor through post-[training](/glossary/training) alone. Trained for cybersecurity, GLM-5.3 helped security teams find 2,436 vulnerabilities across 269 projects. The model weights are set to go open source in two weeks.\n\nThe article [Zhipu AI releases GLM-5.3, claims it's the strongest open-weights coding model](https://the-decoder.com/zhipu-ai-releases-glm-5-3-claims-its-the-strongest-open-weights-coding-model/) appeared first on [The Decoder](https://the-decoder.com).\n\nGet AI news in your inbox\n\nDaily digest of what matters in AI.", "url": "https://wpnews.pro/news/zhipu-ai-releases-glm-5-3-claims-it-s-the-strongest-open-weights-coding-model", "canonical_source": "https://www.machinebrief.com/news/zhipu-ai-releases-glm-53-claims-its-the-strongest-open-weigh-4xfn", "published_at": "2026-08-14 10:21:34+00:00", "updated_at": "2026-08-14 10:42:51.262739+00:00", "lang": "en", "topics": ["artificial-intelligence", "large-language-models", "ai-products"], "entities": ["Zhipu AI", "GLM-5.3", "The Decoder", "Matthias Bastian"], "alternates": {"html": "https://wpnews.pro/news/zhipu-ai-releases-glm-5-3-claims-it-s-the-strongest-open-weights-coding-model", "markdown": "https://wpnews.pro/news/zhipu-ai-releases-glm-5-3-claims-it-s-the-strongest-open-weights-coding-model.md", "text": "https://wpnews.pro/news/zhipu-ai-releases-glm-5-3-claims-it-s-the-strongest-open-weights-coding-model.txt", "jsonld": "https://wpnews.pro/news/zhipu-ai-releases-glm-5-3-claims-it-s-the-strongest-open-weights-coding-model.jsonld"}}