BLAST RADIUS

Open-weight & owned stack · Open lab releases

Zhipu Releases GLM-5.3-Flash Open-Weight Model

Sep 21, 2026

Zhipu released GLM-5.3-Flash, a 320-billion-parameter open-weight model with 18 billion active parameters and a one-million-token context window.

Read the original at z.aiOpens the publisher's site in a new tab

More in Open-weight & owned stack

Xiaomi Releases MiMo-V2.6 Open-Weight Model FamilySep 22Intrinsic open-sources Core robotics software infrastructureSep 22Harvey Launches Kimi-Based In-House ModelSep 21Kimi K3 Reaches AWS And Alibaba Cloud PlatformsSep 21Eidon Open-Sources Large Egocentric Robotics DatasetSep 22