ZMIME
Image model comparison · 2 models · Updated Nov 2, 2026

GLM-Image vs Grok Imagine Image Quality

Newest: Grok Imagine Image Quality · Self-hosting: GLM-Image. Not enough arena votes yet for a quality score, so this is a spec comparison.

  1. Z.ai (Zhipu)

    GLM-Image

    Released Jan 14, 2026

    • Text to image
    • Image editing
    • Arena1,012
    • From—
    • Max size—
    Full specs Remove GLM-Image

  2. xAI

    Grok Imagine Image Quality

    Released Apr 3, 2026Deprecated

    • Text to image
    • Image editing
    • Arena1,391
    • From$0.05/image
    • Max size2K
    Full specs Remove Grok Imagine Image Quality

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01 — At a glance

Where they differ

Quality is the arena score from blind, side-by-side human votes. Price, length and resolution come from each lab’s own listings.

  • NewestGrok Imagine Image QualityGLM-Image Jan 14, 2026 · Grok Imagine Image Quality Apr 3, 2026
  • Widest inputsSame inputsGLM-Image: Text prompts, Reference images · Grok Imagine Image Quality: Text prompts, Reference images
  • Image editingBoth edit imagesTakes a reference image as input: GLM-Image yes · Grok Imagine Image Quality yes
  • Self-hostingGLM-ImageDownloadable weights (MIT)
  • Most API hostsSame reachGLM-Image: 1 · Grok Imagine Image Quality: 1
02 — Side by side

Every spec in one table

Dashes mean the data is not published.

GLM-Image vs Grok Imagine Image Quality specifications side by side
SpecificationGLM-ImageZ.ai (Zhipu)Grok Imagine Image QualityxAI
Quality (blind human votes)
Text to image arenaElo-style score · higher is better1,012 ±9#76 of 82 · 4,854 votes—
Image editing arenaElo-style score · higher is better—1,391 ±6#12 of 61 · 38,207 votes
Price
Starting price—$0.05/image 1K
Top price—$0.07/image 2K
Extra charges—$0.01 per input image
How it is billed—Per image
Output
ProducesImagesImages
Resolutions—1K · 1.5K · 2K
Highest resolution—2K
Largest image—2K
Images per request—Up to 10
Inputs
Text promptsYesYes
Reference images (editing)YesYes
Max reference images—5
Access
WeightsOpenMITProprietary
API model ID—grok-imagine-image-quality
API hosts11
ReleasedJan 14, 2026Apr 3, 2026
03 — Questions

Which should you choose?

Which is better, GLM-Image or Grok Imagine Image Quality?

Neither model has enough arena votes for a reliable quality score yet, so this page compares specs only. Run the same three or four prompts through each and judge the results.

Which is cheaper?

Grok Imagine Image Quality costs from $0.05/image (1K), up to $0.07/image (2K). GLM-Image has no published per-image price. Prices are list rates and change often; check the lab before budgeting.

What is the difference between GLM-Image and Grok Imagine Image Quality?

GLM-Image is an image model from Z.ai (Zhipu) (Jan 14, 2026), taking text prompts and reference images and producing images. Grok Imagine Image Quality is an image model from xAI (Apr 3, 2026), taking text prompts and reference images and producing images.

Which is newer?

GLM-Image Jan 14, 2026; Grok Imagine Image Quality Apr 3, 2026.

Which can edit an existing image?

Takes a reference image as input: GLM-Image yes; Grok Imagine Image Quality yes.

Can I run any of these on my own hardware?

GLM-Image. Downloadable weights (MIT).

04 — Keep comparing

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