BetterWaifu Optimal Image Sizes
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By gerogero
Updated: March 11, 2025
The models on the BetterWaifu site are descended from SDXL, which was trained at a base resolution of 1024×1024, but was further fine-tuned on multiple aspect ratios.
All width and height measurements on BetterWaifu must to rounded to a multiple of 8. This is used to guarantee quality of generations.
By using these aspect ratios for your generations, you will get the most optimal results — here are some recommendations. Standard designation usually guarantees a higher quality.
| Width | Height | Ratio (W:H) | Fraction | Standard |
|---|---|---|---|---|
| 704 | 1408 | 0.5 | 1:2 | S |
| 704 | 1344 | 0.5238095238 | 11:21 | |
| 768 | 1344 | 0.5714285714 | 4:7 | S |
| 768 | 1280 | 0.6 | 3:5 | S |
| 832 | 1216 | 0.6842105263 | 13:19 | |
| 832 | 1152 | 0.7222222222 | 13:18 | |
| 896 | 1152 | 0.7777777778 | 7:9 | S |
| 896 | 1088 | 0.8235294118 | 14:17 | S |
| 960 | 1088 | 0.8823529412 | 15:17 | |
| 960 | 1024 | 0.9375 | 15:16 | S |
| 1024 | 1024 | 1 | 1:1 | |
| 1024 | 960 | 1.066666667 | 16:15 | |
| 1088 | 960 | 1.133333333 | 17:15 | |
| 1088 | 896 | 1.214285714 | 17:14 | S |
| 1152 | 896 | 1.285714286 | 9:7 | S |
| 1152 | 832 | 1.384615385 | 18:13 | |
| 1216 | 832 | 1.461538462 | 19:13 | |
| 1280 | 768 | 1.666666667 | 5:3 | S |
| 1344 | 768 | 1.75 | 7:4 | S |
| 1344 | 704 | 1.909090909 | 21:11 | |
| 1408 | 704 | 2 | 2:1 | S |
| 1472 | 704 | 2.090909091 | 23:11 | |
| 1536 | 640 | 2.4 | 12:5 | |
| 1600 | 640 | 2.5 | 5:2 | S |
| 1664 | 576 | 2.888888889 | 26:9 | |
| 1728 | 576 | 3 | 3:1 | S |
