GLM-4.5-Air
Z.ai · GLM Air line · lightweight · open weights
Inactiveno release in over a year
Released Jul 28, 2025 · what changed →Days since last release
Days since last release
GLM-4.5-Air · Jul 28, 2025
439
days
The newest GLM Air model is GLM-4.5-Air, released on July 28, 2025. It has been 439 days since then, more than a year without a release, so the line is inactive; a new release would bring it back.
Where the line stands
How long it has been since the last release against the line's usual gap and its recent ones — the rhythm, not a date.
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Every GLM Air release
Newest first — what each version changed versus the one before, in Z.ai's own numbers.