CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins86% CONFIDENCEOverall confidence: 86%How well the pin's source and references back up its dates.Weighted average of how firmly 6 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better
Z.ai put GLM-5.3 into its API, GLM Coding Plan and ZCode client on 14 August 2026: Reuters (via The Standard[6]) is dated 14 August and says Z.ai "said on Friday", and DataNorth[5] says it was "released on 14 August 2026". Z.ai's developer release notes log the entry under 18 August and the open weights followed on 28 August; both are later steps, not the release.Z.ai (Zhipu AI) releases GLM-5.3, a post-training-only upgrade of GLM-5.2 that scores 28.3 on Terminal Bench 3.0 and 84.5% on the CyberGym vulnerability benchmark, with a 1M-token context and open weights two weeks later.
1.00