{"type": "article", "title": "Anthropic: Open GLM-5.3 Nearly Matches Mythos at Exploits", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/anthropic-open-glm-5-3-nearly-matches-mythos-at-exploits", "original_source": "https://www.digitalapplied.com/blog/glm-5-3-cyber-exploits-anthropic-open-weight-risk", "published": "2026-09-29T00:00:00+00:00", "accessed": "2026-10-01", "id": "anthropic-open-glm-5-3-nearly-matches-mythos-at-exploits"}