GLM-5.3 Flash (Ox Alpha): Free Z.ai Open-Weight Chat
oxalpha.run
LaunchIndex first observed GLM-5.3 Flash (Ox Alpha): Free Z.ai Open-Weight Chat (oxalpha.run) live on 9 September 2026. View its launch screenshot, category, technologies, and verification evidence.
A launch record built from evidence.
GLM-5.3 Flash (Ox Alpha): Free Z.ai Open-Weight Chat (oxalpha.run) was first observed live on 9 September 2026.
Ox Alpha is a site documenting the GLM-5.3 Flash open-weight chat model, with benchmarks, analysis, and references to Z.ai. It presents findings and a case-based narrative for researchers and developers.
Its profile is classified as Media within Technology / Artificial intelligence. Verification detected Next.js and Google Analytics.
What the launch signal contained.
- First observed live
- Previous state
- No prior non-live observation
- Last verified
- Canonical host
- oxalpha.run
- Category
- Technology / Artificial intelligence
- Website type
- Media
- Observed title
- GLM-5.3 Flash (Ox Alpha): Free Z.ai Open-Weight Chat
- Observed description
- Chat free with GLM-5.3 Flash, Z.ai's open-weight (MIT) 1M-context model: the anonymous 'Ox Alpha' stealth model, now revealed as Zhipu AI's.
- Detected technologies
- Next.jsGoogle Analytics
- Screenshot captured
- Evidence source
- Browser observation · Local
- Evidence confidence
- 93%
- HTTP status
- 200
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