GLM-5.3: Nearly Matches Claude Mythos Exploits
GLM-5.3 open weights model scored 12% vs Claude Mythos 14% in vulnerability exploits, per Andrew's Letter in The Batch.
SourceAnalysis
GLM-5.3 open weights model scored 12% against Claude Mythos at 14% in vulnerability exploitation tests this week in Andrew's Letter. The Batch also highlighted Xiaomi's new open weights leader, Gemini 3.8 Live, DeepSeek-V4.1-Flash and AREX agents, underscoring rapid gains in open weights model performance across the AI industry impact.
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