Stable Diffusion 3.5 Large vs FLUX1.1 [pro] Ultra
Newest: FLUX1.1 [pro] Ultra · Image editing: Neither edits images · Self-hosting: Stable Diffusion 3.5 Large. Not enough arena votes yet for a quality score, so this is a spec comparison.
Stability AIStable Diffusion 3.5 Large
- Arena938
- From—
- Max size—
Black Forest LabsFLUX1.1 [pro] Ultra
- Arena—
- From—
- Max size—
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Make it a three-way comparison.
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] UltraStable Diffusion 3.5 Large Oct 22, 2024 · FLUX1.1 [pro] Ultra Nov 1, 2024
- Widest inputsSame inputsStable Diffusion 3.5 Large: Text prompts · FLUX1.1 [pro] Ultra: Text prompts
- Image editingNeither edits imagesTakes a reference image as input: Stable Diffusion 3.5 Large no · FLUX1.1 [pro] Ultra no
- Self-hostingStable Diffusion 3.5 LargeDownloadable weights
- Most API hostsSame reachStable Diffusion 3.5 Large: 1 · FLUX1.1 [pro] Ultra: 1
Every spec in one table
Dashes mean the data is not published.
| Specification | Stable Diffusion 3.5 LargeStability AI | FLUX1.1 [pro] UltraBlack Forest Labs |
|---|---|---|
| Quality (blind human votes) | ||
| Text to image arenaElo-style score · higher is better | 938 ±4#81 of 82 · 23,396 votes | — |
| Output | ||
| Produces | Images | Images |
| Inputs | ||
| Text prompts | Yes | Yes |
| Reference images (editing) | No | No |
| Access | ||
| Weights | Open | Proprietary |
| API hosts | 1 | 1 |
| Released | Oct 22, 2024 | Nov 1, 2024 |
Which should you choose?
Which is better, Stable Diffusion 3.5 Large 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.
What is the difference between Stable Diffusion 3.5 Large and FLUX1.1 [pro] Ultra?
Stable Diffusion 3.5 Large is an image model from Stability AI (Oct 22, 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?
Stable Diffusion 3.5 Large Oct 22, 2024; FLUX1.1 [pro] Ultra Nov 1, 2024.
Which can edit an existing image?
Takes a reference image as input: Stable Diffusion 3.5 Large no; FLUX1.1 [pro] Ultra no.
Can I run any of these on my own hardware?
Stable Diffusion 3.5 Large. Downloadable weights.
Related comparisons
- Stable Diffusion 3.5 Large vs Imagen 3Google · Oct 15, 2024
- Stable Diffusion 3.5 Large vs Recraft V3Recraft · Oct 30, 2024
- Stable Diffusion 3.5 Large vs Ideogram v2Ideogram · Aug 21, 2024
- FLUX1.1 [pro] Ultra vs Recraft V3Recraft · Oct 30, 2024
- FLUX1.1 [pro] Ultra vs Imagen 3Google · Oct 15, 2024
- FLUX1.1 [pro] Ultra vs Ideogram v2Ideogram · Aug 21, 2024
