ByteBrief

Best read upright.

We're a portrait publication through and through. Turn your phone back and your briefing picks up right where you left it.

(We tried widescreen once. It wasn't us.)

ByteBrief

Developing11 outlets · over 5 days

Z.ai launches GLM-5.3 with cyber skills

Z.ai released GLM-5.3, an open-weight model scoring 60 on the Artificial Analysis Intelligence Index, tying Kimi K3 for top open-model spot. It excels at coding and vulnerability discovery, with weights delayed two weeks for safety controls. OpenVuln scans code repositories using the model.

Read the full brief

The story so far8 updates, latest first.

Latest
What changedTies Kimi K3 for top open-model spot
GLM-5.3 tops open-model rankings, delayed release
TThe Decoder·5 days ago
Newscores, intelligence, index
Z.ai GLM-5.3 Scores 60 on Intelligence Index
TTechmeme·6 days ago
Newlaunches, cyber, skills
GLM-5.3 launches with cyber skills, finds Cursor flaw
VVentureBeat·10 days ago
Newchina, rivals, models
China's GLM-5.3 rivals U.S. models at hacking
AAxios Tech·10 days ago
Newdebuts, long, horizon
Z.ai debuts GLM-5.3 with long-horizon coding, cybersecurity upgrades
SSiliconANGLE·10 days ago
Newships, claims, open
Z.AI Ships GLM-5.3, Claims Top Open-Weight Coding Model
DDecrypt·10 days ago
Newcoding, gains, come
GLM-5.3 coding gains come from post-training
TThe New Stack·10 days ago
Meta Open-Sources Muse Glimmer 30B Model
IInfoQ·11 days ago

Tracked by ByteBrief