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

Stable Diffusion 3.5 Large vs Imagen 3

Preferred for text to image: Imagen 3 · Newest: Stable Diffusion 3.5 Large · Image editing: Neither edits images. Quality scores are blind human-preference votes; specs and prices come from each lab’s listings.

  1. Stability AI

    Stable Diffusion 3.5 Large

    Released Oct 22, 2024

    • Text to image
    • Arena938
    • From—
    • Max size—
    Full specs Remove Stable Diffusion 3.5 Large

  2. Google

    Imagen 3

    Released Oct 15, 2024

    • Text to image
    • Arena1,057
    • From$0.04/image
    • Max size—
    Full specs Remove Imagen 3

  3. Add a model

    Make it a three-way comparison.

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.

  • Preferred for text to imageImagen 3Stable Diffusion 3.5 Large 938 (#81) · Imagen 3 1,057 (#65) — blind human votes
  • NewestStable Diffusion 3.5 LargeStable Diffusion 3.5 Large Oct 22, 2024 · Imagen 3 Oct 15, 2024
  • Widest inputsSame inputsStable Diffusion 3.5 Large: Text prompts · Imagen 3: Text prompts
  • Image editingNeither edits imagesTakes a reference image as input: Stable Diffusion 3.5 Large no · Imagen 3 no
  • Self-hostingStable Diffusion 3.5 LargeDownloadable weights
  • Most API hostsSame reachStable Diffusion 3.5 Large: 1 · Imagen 3: 1
02 — Side by side

Every spec in one table

Dashes mean the data is not published.

Stable Diffusion 3.5 Large vs Imagen 3 specifications side by side
SpecificationStable Diffusion 3.5 LargeStability AIImagen 3Google
Quality (blind human votes)
Text to image arenaElo-style score · higher is better938 ±4#81 of 82 · 23,396 votes1,057 ±3#65 of 82 · 359,756 votes (best)
Price
Starting price—$0.04/image standard
How it is billed—Per image
Output
ProducesImagesImages
Inputs
Text promptsYesYes
Reference images (editing)NoNo
Access
WeightsOpenProprietary
API hosts11
ReleasedOct 22, 2024Oct 15, 2024
03 — Questions

Which should you choose?

Which is better, Stable Diffusion 3.5 Large or Imagen 3?

For text to image, voters prefer Imagen 3 (Stable Diffusion 3.5 Large 938 (#81) · Imagen 3 1,057 (#65)). Arena scores come from blind, side-by-side human votes on the same prompts; when the gap is inside both models’ error margins we call it a tie. Test your own prompts before you commit.

Which is cheaper?

Imagen 3 costs from $0.04/image (standard). Stable Diffusion 3.5 Large has no published per-image price. Prices are list rates and change often; check the lab before budgeting.

What is the difference between Stable Diffusion 3.5 Large and Imagen 3?

Stable Diffusion 3.5 Large is an image model from Stability AI (Oct 22, 2024), taking text prompts and producing images. Imagen 3 is an image model from Google (Oct 15, 2024), taking text prompts and producing images.

Which is newer?

Stable Diffusion 3.5 Large Oct 22, 2024; Imagen 3 Oct 15, 2024.

Which can edit an existing image?

Takes a reference image as input: Stable Diffusion 3.5 Large no; Imagen 3 no.

Can I run any of these on my own hardware?

Stable Diffusion 3.5 Large. Downloadable weights.

04 — Keep comparing

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