BREAKING
Z.ai Releases Open GLM-5.2 at 51
GLM-5.2 Tops Open Models
Fable 5
60
Opus 4.8
56
GPT-5.5
55
GLM-5.2
51
Open Weights vs Closed Frontier
GLM-5.2
Open
●
Public, self-hostable weights
●
1M-token context
●
Top of Design Arena
Fable 5 / Mythos 5
Closed
●
No params or pricing
●
Mainly API-based
●
US export controls
Restrictions, Then a Release
1
US blocks Fable 5 & Mythos 5
↓
2
CBRN & cyber concerns cited
↓
3
Z.ai ships GLM-5.2
Founder: Won't Take That Long
China's Catch-Up in Focus
AI NEWS BLITZ
China's Z.ai just dropped its open-weight GLM-5.2, topping the open-model rankings.