{"type": "article", "title": "Anthropic says Zhipu's open-weight GLM-5.3 nearly matches Claude Mythos Preview at building exploits", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/anthropic-says-zhipu-s-open-weight-glm-5-3-nearly-matches-claude-mythos-preview", "original_source": "https://the-decoder.com/anthropic-says-zhipus-open-weight-glm-5-3-nearly-matches-claude-mythos-preview-at-building-exploits/", "published": "2026-09-30T11:05:05+00:00", "accessed": "2026-09-30", "id": "anthropic-says-zhipu-s-open-weight-glm-5-3-nearly-matches-claude-mythos-preview"}