Zhipu's GLM-5.3 Gains Come Entirely From Post-Training on the Same 756B Base
Developers found that Zhipu's GLM-5.3 shares the exact same 756B base model as GLM-5.2, with all capability gains attributed to post-training optimization. Observers praised Zhipu's post-training prowess, arguing it shows the technique still has enormous headroom.
2026-08-14 ~ 2026-08-15 · 2 related posts
- Episode 1: Zhipu GLM-5.3 Spotted in Codebase, Post-Training Targets K3 and GPT-5.6(2026-08-03, 5 posts)
- Episode 2: Zhipu's GLM-5.3 Model Leaked Ahead of Launch(2026-08-14, 2 posts)
- Episode 3: Zhipu Releases GLM-5.3: Post-Training Scaling Tops Open-Source Benchmarks(2026-08-14, 41 posts)
- Episode 4: Zhipu's GLM-5.3 Gains Come Entirely From Post-Training on the Same 756B Base(2026-08-14, 2 posts)
- GLM-5.3 Capability Gains Attributed Entirely to Post-Training — cedric_chee · 2026-08-14
- Zhipu's GLM 5.3 Gains on Same Base Model, Highlighting Post-Training Power — oran_ge · 2026-08-15