LaunchAI ModelsAugust 17, 2026

Z.ai launches GLM-5.3 with claimed 50% coding benchmark gain

Z.ai, Zhipu's international brand, launched GLM-5.3, an update focused on coding, long-horizon tasks, and cybersecurity. It claims a 50% score gain over GLM-5.2 on its internal Z.ai Code Bench, with weights to be released two weeks after launch.

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Z.ai launches GLM-5.3 with claimed 50% coding benchmark gain