Rumor: Zhipu GLM-5.3 release next week; speculation on Frontier model capabilities

xeophon · x · 2026-08-18

Rumors suggest the public release of Zhipu GLM-5.3 weights is next week. Discussion also touches on PostTrainBench v1.1, with extrapolation suggesting official baselines might be hit by Sept 2026, though the author believes Frontier labs likely possess internal models significantly better than the current 51.1% score.

Related event: Frontier models projected to surpass instruct baseline by September 2026 as GLM-5.3 open-source looms(2 posts)→

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