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Z.ai

Is GLM 5.3 out? Yes, since August 18, 2026

Yes. GLM 5.3 was released on August 18, 2026.

A browser notification for each confirmed release in this family. No account or email.

Have you used it? GLM 5.3

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Lab
Z.ai
Family
GLM
Release date
Source
Z.ai · New released

What changed

  • context 1.05M tokens · Context window of GLM 5.3. GLM 5.2 is the previous model of the same tier, but the gap is beyond what a percentage explains.
  • price $0.080 / MTok · Prompt price of GLM 5.3. GLM 5.2 is the previous model of the same tier, but the gap is beyond what a percentage explains.

About GLM 5.3

GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves...

Next GLM model to watch

Questions

When was GLM 5.3 released?
GLM 5.3 was released on August 18, 2026.
Who makes GLM 5.3?
GLM 5.3 is made by Z.ai.
What comes after GLM 5.3?
GLM 5.3 Flash, released on August 26, 2026.