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black-forest-labs/flux-1.1-pro-ultra-finetuned

Inference model for FLUX 1.1 [pro] Ultra using custom `finetune_id`. Supports 4MP images and raw mode for realism

Capabilities

Reference Images Seed

Cost

Community model (estimated from hardware time)

Input Parameters

finetune_id required string

Finetune ID for making images using a previously trained fine-tune. Only IDs from trainings made using Replicate's Flux Pro fine-tuning model are supported.

prompt required string

Text prompt for image generation

aspect_ratio string

Aspect ratio for the generated image

Default: "1:1"
21:9 16:9 3:2 4:3 5:4 1:1 4:5 3:4 2:3 9:16 9:21
finetune_strength number

Controls finetune influence

Default: 1 min: 0, max: 2
image_prompt string

Image to use with Flux Redux. This is used together with the text prompt to guide the generation towards the composition of the image_prompt. Must be jpeg, png, gif, or webp.

image_prompt_strength number

Blend between the prompt and the image prompt.

Default: 0.1 min: 0, max: 1
output_format string

Format of the output images.

Default: "jpg"
jpg png
raw boolean

Generate less processed, more natural-looking images

Default: false
safety_tolerance integer

Safety tolerance, 1 is most strict and 6 is most permissive

Default: 2 min: 1, max: 6
seed integer

Random seed. Set for reproducible generation

Version: b36b42ab3e17 Updated: 6/26/2026 110.6K runs