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AI IntelligenceAug 21, 2026AI Intelligence
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Z.ai launches GLM-5.3 with claimed 50% gain on coding benchmark

Z.ai, the international arm of Chinese AI company Zhipu, released GLM-5.3, an update focused on coding, long-horizon tasks and cybersecurity. Z.ai claims it scores 50% higher than GLM-5.2 on its internal Z.ai Code Bench, with the gains attributed to post-training rather than a new base model.

Frontier EditorialSource: TechNode
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Z.ai launches GLM-5.3 with claimed 50% gain on coding benchmark: Z.ai, the international arm of Chinese AI company Zhipu, released GLM-5.3, an update focused on coding, long-horizon tasks and cybersecurity. Z.ai claims it scores 50% higher than GLM-5.2 on its internal Z.ai Code Bench, with the gains attributed to post-training rather than a new base model.

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