---
base_model:
- black-forest-labs/FLUX.1-dev
pipeline_tag: text-to-image
tags:
- gguf
- flux
- text-to-image
- imatrix
---

# Support

- ComfyUI-GGUF: TBC
- Forge: TBC
- stable-diffusion.cpp: [llama.cpp Feature-matrix](https://github.com/ggerganov/llama.cpp/wiki/Feature-matrix)

# Bravo
Combined imatrix multiple images 25 and 50 steps [city96/flux1-dev-Q8_0](https://huggingface.co/city96/FLUX.1-dev-gguf/blob/main/flux1-dev-Q8_0.gguf) euler

| Filename | Quant type | File Size | Description |
| -------- | ---------- | --------- | ----------- |
| - | IQ1_S | TBC | TBC |

# Alpha
Simple imatrix: 512x512 single image 8/20 steps [city96/flux1-dev-Q3_K_S](https://huggingface.co/city96/FLUX.1-dev-gguf/blob/main/flux1-dev-Q3_K_S.gguf) euler 

data: `load_imatrix: loaded 314 importance matrix entries from imatrix.dat computed on 7 chunks`.

Using [llama.cpp quantize cae9fb4](https://github.com/ggerganov/llama.cpp/commit/cae9fb4361138b937464524eed907328731b81f6) with modified [lcpp.patch](https://github.com/city96/ComfyUI-GGUF/blob/main/tools/lcpp.patch).

## Experimental from q8

| Filename | Quant type | File Size | Description |
| -------- | ---------- | --------- | ----------- |
| [flux1-dev-IQ1_S.gguf](https://huggingface.co/Eviation/flux-imatrix/blob/main/experimental-from-q8/flux1-dev-IQ1_S.gguf) | IQ1_S | 2.45GB | TBC |
| - | IQ1_M | - | broken |
| [flux1-dev-TQ1_0.gguf](https://huggingface.co/Eviation/flux-imatrix/blob/main/experimental-from-q8/flux1-dev-TQ1_0.gguf) | TQ1_0| 2.63GB | TBC |
| [flux1-dev-TQ2_0.gguf](https://huggingface.co/Eviation/flux-imatrix/blob/main/experimental-from-q8/flux1-dev-TQ2_0.gguf) | TQ2_0 | 3.19GB | TBC |
| [flux1-dev-IQ2_XXS.gguf](https://huggingface.co/Eviation/flux-imatrix/blob/main/experimental-from-q8/flux1-dev-IQ2_XXS.gguf) | IQ2_XXS | 3.19GB | TBC |
| [flux1-dev-IQ2_XS.gguf](https://huggingface.co/Eviation/flux-imatrix/blob/main/experimental-from-q8/flux1-dev-IQ2_XS.gguf) | IQ2_XS | 3.56GB | TBC |
| [flux1-dev-IQ2_S.gguf](https://huggingface.co/Eviation/flux-imatrix/blob/main/experimental-from-q8/flux1-dev-IQ2_S.gguf) | IQ2_S | 3.56GB | TBC |
| [flux1-dev-IQ2_M.gguf](https://huggingface.co/Eviation/flux-imatrix/blob/main/experimental-from-q8/flux1-dev-IQ2_M.gguf) | IQ2_M | 3.93GB | TBC |
| [flux1-dev-Q2_K.gguf](https://huggingface.co/Eviation/flux-imatrix/blob/main/experimental-from-q8/flux1-dev-Q2_K.gguf) | Q2_K | 4.02GB | TBC |
| [flux1-dev-Q2_K_S.gguf](https://huggingface.co/Eviation/flux-imatrix/blob/main/experimental-from-q8/flux1-dev-Q2_K_S.gguf) | Q2_K_S | 4.02GB | TBC |
| [flux1-dev-IQ3_XXS.gguf](https://huggingface.co/Eviation/flux-imatrix/blob/main/experimental-from-q8/flux1-dev-IQ3_XXS.gguf) | IQ3_XXS | 4.66GB | TBC |
| [flux1-dev-IQ3_XS.gguf](https://huggingface.co/Eviation/flux-imatrix/blob/main/experimental-from-q8/flux1-dev-IQ3_XS.gguf) | IQ3_XS | 5.22GB | TBC |
| [flux1-dev-IQ3_S.gguf](https://huggingface.co/Eviation/flux-imatrix/blob/main/experimental-from-q8/flux1-dev-IQ3_S.gguf) | IQ3_S | 5.22GB | TBC |
| [flux1-dev-IQ3_M.gguf](https://huggingface.co/Eviation/flux-imatrix/blob/main/experimental-from-q8/flux1-dev-IQ3_M.gguf) | IQ3_M | 5.22GB | TBC |
| [flux1-dev-Q3_K_S.gguf](https://huggingface.co/Eviation/flux-imatrix/blob/main/experimental-from-q8/flux1-dev-Q3_K_S.gguf) | Q3_K_S | 5.22GB | TBC |
| - | Q3_K_M | TBC | TBC |
| - | Q3_K_L | TBC | TBC |
| - | IQ4_XS | TBC | TBC |
| - | IQ4_NL | TBC | TBC |
| - | Q4_0 | TBC | TBC |
| - | Q4_K | TBC | TBC |
| - | Q4_K_S | TBC | TBC |
| - | Q4_K_M | TBC | TBC |
| - | Q5_K | TBC | TBC |

## Observations

Sub-k-quants not diferentiated as expected: IQ2_XS == IQ2_S, IQ3_XS == IQ3_S == IQ3_M.
- Check if [lcpp_sd3.patch](https://github.com/city96/ComfyUI-GGUF/blob/main/tools/lcpp_sd3.patch) includes more specified quant logic
- Extrapolate the existing logic