Zai Releases Open Source GLM-5.3-Flash Model with 1M Token Context

HowDevelop · x · 2026-08-29

Zaiorg has released its new open-source model, GLM-5.3-Flash (formerly Ox Alpha), now live on Nebius Token Factory. The model features a 1M-token context window, multimodal capabilities, and a zero data retention policy. It is available for developers to build with immediately.

Related event: Z.ai Open-Sources GLM-5.3 and GLM-5.3-Flash(28 posts)→

Original post →

More from Models

Models channel →