# Z.ai identifies Ox Alpha as GLM-5.3-Flash

_Tuesday, August 25, 2026 at 8:00 PM EDT · AI, Products · Latest · Tier 2 — Notable_

![Z.ai identifies Ox Alpha as GLM-5.3-Flash — Primary](https://images.ctfassets.net/jdtwqhzvc2n1/4032PIHdBJBW2kqNHAOME0/53c12ae6fbb334fab937a4dcc1065c33/Gemini_Generated_Image_3lw7jd3lw7jd3lw7.jpeg?w=800&q=75)

Z.ai on August 26 identified the previously anonymous Ox Alpha model as GLM-5.3-Flash. The source says its weights are MIT-licensed and inference is hosted by Z.ai, GMI Cloud, Cloudflare and other US-based providers. It lists launch-promotion pricing of 7.5 cents per million input tokens and 25 cents per million output tokens through September 9, after a 50% discount.

## Sources

- [VentureBeat](https://venturebeat.com/orchestration/glm-5-3-flash-will-likely-handle-45-of-your-ai-workloads)

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Retrieved: 2026-08-27T03:04:57.099Z
Publisher: Tech & Business (techandbusiness.org)