# GLM-5.3 Nearly Matches Mythos at Exploits: Anthropic

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## Article Metadata
- Title: GLM-5.3 Nearly Matches Mythos at Exploits: Anthropic
- Summary: Anthropic finds open-weight GLM-5.3 solves 50 of 410 ExploitBench exploits, near Mythos Preview, and its safeguards fall to abliteration.
- Published: Oct 2, 2026, 3:22 PM EDT
- Updated: Oct 2, 2026, 3:22 PM EDT
- Category: AI Security
- Primary topic: Glm 5 3
- Authors: Marcus Chen
- Read time: 3 min
- Language: en_US
- Publication time zone: America/New_York (U.S. Eastern Time)
- Access: Free to read

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- [AI Security](https://threatfrontier.com/categories/ai-security): Category archive for related coverage.
- [Glm 5 3](https://threatfrontier.com/tags/glm-5-3): 2 public articles in this topic.

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