Z

GLM

Z.ai · flagship line · open weights

7 releases since 2025Latest: GLM-5.3

The newest GLM model is GLM-5.3, released on August 14, 2026. It has been 57 days since then and the line's usual gap is 62 days, so by its own rhythm the next GLM model is due.

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.

Z

GLM-5.3

Z.ai · GLM line · flagship · open weights
Due57 days since the last release — usual gap is 62

GLM-5.3 keeps GLM-5.2's base model and API price but, after more post-training, completes 28.3% of Terminal-Bench 3.0 tasks instead of 4.6% and 66.9% of DeepSWE v1.1 tasks instead of 46.2%.

Released Aug 14, 2026 · what changed →
Days since last release
GLM-5.3 · Aug 14, 2026
57
days
Usual gap
62
days
Recent gaps
GLM-5.3 · Aug 2026
62
GLM-5.2 · Jun 2026
78
GLM-5.1 · Mar 2026
43
GLM-5 · Feb 2026
52

Get new AI models by email

Every Monday, only when something shipped: the AI models that came out, what each one changed, and which lines are due next.

We email you a link to confirm first · unsubscribe anytime · read past issues · about the newsletter

Every GLM release

Newest first — what each version changed versus the one before, in Z.ai's own numbers.

Aug
14
Z
GLM-5.3Z.ai · GLMOpen weights

GLM-5.3 keeps GLM-5.2's base model and API price but, after more post-training, completes 28.3% of Terminal-Bench 3.0 tasks instead of 4.6% and 66.9% of DeepSWE v1.1 tasks instead of 46.2%.

Compared with GLM-5.2 · the model it replaces

Completes 28% of very hard command-line coding tasks, up from under 5%

Terminal-Bench 3.0 — hard multi-step jobs in a computer terminal

28.3%

▲ up from 4.6% · +23.7 points

Scores 11 points higher than GLM-5.2 on an independent intelligence test

Artificial Analysis Intelligence Index v4.3.2 — one score averaging 10 hard tests

45

▲ up from 34 · +11 points

Costs developers the same as GLM-5.2

Price per 1M tokens — what developers pay, input / output

$1.40 / $4.40

same as GLM-5.2

Jun
13
Z
GLM-5.2Z.ai · GLMOpen weights
Mar
27
Z
GLM-5.1Z.ai · GLMOpen weights
Feb
12
Z
GLM-5Z.ai · GLMOpen weights
Dec
22
Z
GLM-4.7Z.ai · GLMOpen weights
Sep
30
Z
GLM-4.6Z.ai · GLMOpen weights
Jul
28
Z
GLM-4.5Z.ai · GLMOpen weights