GLM-5.3 open weights released with 50% coding gain over v5.2

carrycooldude · x · 2026-08-29

Modular announced that GLM-5.3 open weights are now public, with Day Zero support available on Modular Cloud. The model is claimed to be the most capable open-weights model for coding, showing a 50% improvement over GLM-5.2 on Zaiorg's Code Bench.

Related event: Z.ai Open-Sources GLM-5.3 and GLM-5.3-Flash(28 posts)→

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