Four anonymous models on the same channel unmasked. All four were Chinese labs. The fifth still has not.
You will understand
Four masks dropped, all Chinese.
Ox is the fifth and still covered.
The playbook is not the knife.
Why
All four were Chinese labs. That pushes; it does not sign the fifth.
Precedents. Four stealth models on the same channel revealed as Chinese labs. Ox Alpha still has not.
20 ago 2026
Ox Alpha · The fifth. Still masked.
Revealed as. UNCLAIMED · Z.ai GLM-5.x V/Flash? · no publicado
First in the series with native video. Dual: OpenRouter stealth/ox-alpha + OpenCode Zen x-preview-f-free. 1,048,576 ctx, 131,072 out, 100T/day capacity (not a meter). Z.ai still silent.
The GLM family, in parallel
If Ox Alpha is Z.ai’s, it fits 6 days after GLM-5.3: same building, new cameras. Public 5.3 is text-only and 128K out; Ox has video and 131,072.
Version
Date
Params
Ctx
Note
GLM-4.5
jul 2025
355B / 32B act
128K
MoE coding + agents
GLM-4.5-Air
jul 2025
106B / 12B act
128K
little sibling
GLM-5
feb 2026
744B / 40B act
200K
was Pony Alpha · 28.5T pretrain tokens
GLM-5.2
jun 2026
mismo base ~744B
1M
IndexShare, million context
GLM-5.3
14 ago 2026
mismo base, más post-training
1M
text-only in public · “Scaling post-training is all we did”