Open-source releaseModerate global significanceConfirmed confidence
Z.ai releases lightweight MoE model GLM-4.5 Air
Z.ai releases GLM-4.5 Air, a lighter 106-billion-parameter MoE variant optimized to reduce redundancy and improve inference speed.
What happened
Event details
Released on July 28, 2025, GLM-4.5 Air is a 106-billion-parameter mixture-of-experts Transformer. Z.ai positions it as a compressed GLM-4.5 variant for faster inference and distributes it as an open model.
Assessment
Why it matters
GLM-4.5 Air gives the open ecosystem a lighter member of Z.ai's GLM-4.5 family aimed at more efficient deployment.
67/100Global significance score. Regional effects are recorded only when the evidence supports a meaningful difference.
Availability
Access notes
Available as an open model through the GLM-4.5 documentation or repository.