AIThe Decoder1h ago
Anthropic says Zhipu's open-weight GLM-5.3 nearly matches Claude Mythos
Anthropic says Zhipu's open-weight GLM-5.3 nearly matches Claude Mythos Preview at building exploits
TL;DROpen-source Chinese AI model rivals Claude at writing working exploits cheaply.
Why it matters: Powerful exploit-generation capabilities are now accessible and affordable outside closed ecosystems, raising security and dual-use risks.
Zhipu's open-weight model GLM-5.3 writes cyber exploits nearly as well as Claude Mythos Preview, according to Anthropic. Its smaller Flash variant put together a reliable Chrome attack for just $20.40 at Zhipu's API prices. The model's safeguards are easy to strip out, and…
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