Imagen 3 Fast vs FLUX1.1 [pro] Ultra
Newest: FLUX1.1 [pro] Ultra · Image editing: Neither edits images · Self-hosting: No open weights. Not enough arena votes yet for a quality score, so this is a spec comparison.
GoogleImagen 3 Fast
- Arena—
- From$0.02/image
- Max size—
Black Forest LabsFLUX1.1 [pro] Ultra
- Arena—
- From—
- Max size—
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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.
- NewestFLUX1.1 [pro] UltraImagen 3 Fast Oct 17, 2024 · FLUX1.1 [pro] Ultra Nov 1, 2024
- Widest inputsSame inputsImagen 3 Fast: Text prompts · FLUX1.1 [pro] Ultra: Text prompts
- Image editingNeither edits imagesTakes a reference image as input: Imagen 3 Fast no · FLUX1.1 [pro] Ultra no
- Self-hostingNo open weightsBoth are available only through APIs and apps
- Most API hostsSame reachImagen 3 Fast: 1 · FLUX1.1 [pro] Ultra: 1
Every spec in one table
Dashes mean the data is not published.
| Specification | Imagen 3 FastGoogle | FLUX1.1 [pro] UltraBlack Forest Labs |
|---|---|---|
| Price | ||
| Starting price | $0.02/image standard | — |
| How it is billed | Per image | — |
| Output | ||
| Produces | Images | Images |
| Inputs | ||
| Text prompts | Yes | Yes |
| Reference images (editing) | No | No |
| Access | ||
| Weights | Proprietary | Proprietary |
| API hosts | 1 | 1 |
| Released | Oct 17, 2024 | Nov 1, 2024 |
Which should you choose?
Which is better, Imagen 3 Fast or FLUX1.1 [pro] Ultra?
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?
Imagen 3 Fast costs from $0.02/image (standard). FLUX1.1 [pro] Ultra has no published per-image price. Prices are list rates and change often; check the lab before budgeting.
What is the difference between Imagen 3 Fast and FLUX1.1 [pro] Ultra?
Imagen 3 Fast is an image model from Google (Oct 17, 2024), taking text prompts and producing images. FLUX1.1 [pro] Ultra is an image model from Black Forest Labs (Nov 1, 2024), taking text prompts and producing images.
Which is newer?
Imagen 3 Fast Oct 17, 2024; FLUX1.1 [pro] Ultra Nov 1, 2024.
Which can edit an existing image?
Takes a reference image as input: Imagen 3 Fast no; FLUX1.1 [pro] Ultra no.
Can I run any of these on my own hardware?
No open weights. Both are available only through APIs and apps.
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