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bytedance/hyper-flux-8step
Hyper FLUX 8-step by ByteDance
Capabilities
Cost
Community model (estimated from hardware time)
Input Parameters
| Name | Type | Description | Default | Constraints |
|---|---|---|---|---|
prompt * | string | Prompt for generated image | — | — |
aspect_ratio | string | Aspect ratio for the generated image. The size will always be 1 megapixel, i.e. 1024x1024 if aspect ratio is 1:1. To use arbitrary width and height, set aspect ratio to 'custom'. | "1:1" | 1:1 16:9 21:9 3:2 2:3 4:5 5:4 3:4 4:3 9:16 9:21 custom |
disable_safety_checker | boolean | Disable safety checker for generated images. This feature is only available through the API. See [https://replicate.com/docs/how-does-replicate-work#safety](https://replicate.com/docs/how-does-replicate-work#safety) | false | — |
guidance_scale | number | Guidance scale for the diffusion process | 3.5 | min: 0, max: 10 |
height | integer | Height of the generated image. Optional, only used when aspect_ratio=custom. Must be a multiple of 16 (if it's not, it will be rounded to nearest multiple of 16) | 848 | min: 256, max: 1440 |
num_inference_steps | integer | Number of inference steps | 8 | min: 1, max: 30 |
num_outputs | integer | Number of images to output. | 1 | min: 1, max: 4 |
output_format | string | Format of the output images | "webp" | webp jpg png |
output_quality | integer | Quality when saving the output images, from 0 to 100. 100 is best quality, 0 is lowest quality. Not relevant for .png outputs | 80 | min: 0, max: 100 |
seed | integer | Random seed. Set for reproducible generation | 0 | — |
width | integer | Width of the generated image. Optional, only used when aspect_ratio=custom. Must be a multiple of 16 (if it's not, it will be rounded to nearest multiple of 16) | 848 | min: 256, max: 1440 |
prompt required string Prompt for generated image
aspect_ratio string Aspect ratio for the generated image. The size will always be 1 megapixel, i.e. 1024x1024 if aspect ratio is 1:1. To use arbitrary width and height, set aspect ratio to 'custom'.
"1:1" disable_safety_checker boolean Disable safety checker for generated images. This feature is only available through the API. See [https://replicate.com/docs/how-does-replicate-work#safety](https://replicate.com/docs/how-does-replicate-work#safety)
false guidance_scale number Guidance scale for the diffusion process
3.5 min: 0, max: 10 height integer Height of the generated image. Optional, only used when aspect_ratio=custom. Must be a multiple of 16 (if it's not, it will be rounded to nearest multiple of 16)
848 min: 256, max: 1440 num_inference_steps integer Number of inference steps
8 min: 1, max: 30 num_outputs integer Number of images to output.
1 min: 1, max: 4 output_format string Format of the output images
"webp" output_quality integer Quality when saving the output images, from 0 to 100. 100 is best quality, 0 is lowest quality. Not relevant for .png outputs
80 min: 0, max: 100 seed integer Random seed. Set for reproducible generation
0 width integer Width of the generated image. Optional, only used when aspect_ratio=custom. Must be a multiple of 16 (if it's not, it will be rounded to nearest multiple of 16)
848 min: 256, max: 1440 16084e973122 Updated: 2/26/2026 21.6M runs