GLM-5.3 gains driven by post-training, not base model
teortaxesTex · x · 2026-08-19
Technical breakdown reveals GLM-5.3 reuses the 743B MoE base from GLM-5.2, with improvements attributed to the post-training stack (SFT → SAO → OPD → large-scale executable sandbox training). This highlights the impact of RL infrastructure and distillation on unlocking base model potential.
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