models/Chroma-Flash-Heun - Rank 256

Chroma-Flash-Heun - Rank 256

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12/13/2025
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5:13:24 AM
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Girl steering a speedboat away from an explosion with flare smoke in a bustling night harbor, a drone overhead and navigation screens glowing.

Recommended Prompts

This is a nature documentary close-up photograph of the right side of the face of a tiger. The photograph is centered on it's highly detailed and speckled eye surrounded by intricately detailed fur. Overlaid at the center of the image is a title text that says "CHROMA-DC-2K" in a large white 3D letters. Amateur photography. Unfiltered. Real life. Natural light. Subtle shadows.

Recommended Negative Prompts

This low quality greyscale unfinished sketch is inaccurate and flawed. The image is very blurred and lacks detail with excessive chromatic aberrations and artifacts. The image is overly saturated with excessive bloom. It has a toony aesthetic with bold outlines and flat colors.

Recommended Parameters

samplers

DPM++ SDE

steps

8

cfg

1

Version Highlights

Rank 256 should be used without CFG (set to 1.0 in ComfyUI) and has significant reduction of step count depending on sampler/scheduler used. (8-16 for dpmpp_sde/heun/res_2s and 16-24 for euler/er_sde/res_multistep/res_2m etc.)

Creator Sponsors

I can't upload every model in one go so for any of the other ranks in the meantime, visit this huggingface model repo

This series of LoRA models are extractions from chroma-unlocked-v47-flash-heun and despite the indicating name it is not restricted to be used with Heun sampler nor that lowest step is supported across all ranks.

I can't upload every model in one go so for any of the other ranks in the meantime, visit this huggingface model repo

Contributor

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Model Details

Model type

LORA

Base model

Chroma

Model version

Rank 256

Model hash

b6364420d4

Creator

Discussion

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Images by Chroma-Flash-Heun - Rank 256

tool Images