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

Grok Imagine Image Quality vs GLM-Image

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. 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

  2. Z.ai (Zhipu)

    GLM-Image

    Released Jan 14, 2026

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

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

Every spec in one table

Dashes mean the data is not published.

Grok Imagine Image Quality vs GLM-Image specifications side by side
SpecificationGrok Imagine Image QualityxAIGLM-ImageZ.ai (Zhipu)
Quality (blind human votes)
Text to image arenaElo-style score · higher is better—1,012 ±9#76 of 82 · 4,854 votes
Image editing arenaElo-style score · higher is better1,391 ±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 billedPer image—
Output
ProducesImagesImages
Resolutions1K · 1.5K · 2K—
Highest resolution2K—
Largest image2K—
Images per requestUp to 10—
Inputs
Text promptsYesYes
Reference images (editing)YesYes
Max reference images5—
Access
WeightsProprietaryOpenMIT
API model IDgrok-imagine-image-quality—
API hosts11
ReleasedApr 3, 2026Jan 14, 2026
03 — Questions

Which should you choose?

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

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 Grok Imagine Image Quality and GLM-Image?

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

Which is newer?

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

Which can edit an existing image?

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

Can I run any of these on my own hardware?

GLM-Image. Downloadable weights (MIT).

04 — Keep comparing

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