Model release · Zhipu
GLM-5.3-FlashX
- Model released
Standalone API SKU launched 2026-09-18 (not a Flash marketing alias). Official Model Code glm-5.3-flashx; listed separately from Flash on docs (~200 tok/s). Same multimodal base as Flash. Ox Alpha was Flash’s prior stealth name, not FlashX. Platform list price (press citation of BigModel table): about ¥2 in / ¥7 out / ¥0.57 cache-hit per 1MTok; official pricing UI is SPA—confirm in console.
Availability
API glm-5.3-flashx (open.bigmodel.cn / z.ai); Chat Completion; GLM Coding Plan does not yet include FlashX