Z.AI GLM Image is a text-to-image model with flexible sizing, prompt expansion, and JPEG/PNG/WebP output formats.
Added Jan 14, 2026
Approx. Price
$0.025 per image
Model Type
text-to-image
Settings
Generation controls available for this model.
Images Per Run
Up to 4
Output images
Input Images
N/A
No reference/edit image input
Output Sizes
Custom Resolution
Number of Images
Default
1
Output Format
Default
jpeg
Options (3)
JPEG, PNG, WebP
Choose the output image format.
Prompt Expansion
Default
No
Enable AI-powered prompt enhancement.
Resolution
Default
1024*1024
Options (7)
1024*1024 (Square (1:1)), 1024*1536 (Portrait (2:3)), 1536*1024 (Landscape (3:2)), 768*1024 (Portrait (3:4)) +3 more
Seed
Default
-1
Set -1 for random or use a fixed number for reproducible results.
Benchmarks
Benchmarks
Human preference benchmarks sourced from Artificial Analysis.
Text to Image
#102 / 147
ELO
1067.0
Appearances
5,448
95% CI
-7/7
Image Editing
#63 / 67
ELO
949.0
Appearances
6,808
95% CI
-9/9
Release Date 2026-01 · Matched as GLM-Image
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