README.md

metadata

language: en
license: apache-2.0
tags:
  - gguf
  - qwen35
  - qwen3.5
  - prompt-enhancer
  - text-to-video
  - uncensored
  - sulphur
  - ltx
  - comfyui
  - llama.cpp
  - lm-studio
  - multimodal
  - vision
base_model: SulphurAI/Sulphur-2-base
pipeline_tag: text-generation
library_name: llama.cpp

Sulphur-2 Prompt Enhancer Uncensored - GGUF

Quantized GGUF files for the uncensored prompt enhancer from SulphurAI/Sulphur-2-base. Converts short prompts into detailed video generation prompts for LTX 2.3 / Sulphur-2.

Model Info

Field	Value
Base	Qwen3.5-9B (multimodal)
Architecture	qwen35
Context	262,144 tokens
Blocks	32 layers
Embedding	4096
Uncensoring	Rimuru A+(B-C) merge, B=Hauhau

Files

File	Size	BPW	Description
prompt_enhancer_uncensored-Q4_K_M.gguf	5.3 GB	5.02	Standard 4-bit k-quant (balanced)
prompt_enhancer_uncensored-IQ4_NL.gguf	5.1 GB	4.85	Importance-aware 4-bit (non-linear)
mmproj-prompt_enhancer_uncensored.gguf	880 MB	—	Vision projector (BF16)

Converted from BF16 safetensors → F16 GGUF → quantized with llama.cpp. No requantization — clean F16 source.

Usage

ComfyUI

Drop both the model GGUF and mmproj into ComfyUI/models/text_encoders/ or ComfyUI/models/LLM/GGUF/. Use with ComfyUI-Qwen3.5-Uncensored node.

LM Studio / llama.cpp

llama-server -m prompt_enhancer_uncensored-Q4_K_M.gguf \
  --mmproj mmproj-prompt_enhancer_uncensored.gguf \
  -ngl 99 --host 0.0.0.0

Source

• Original model: SulphurAI/Sulphur-2-base
• Quantized by PeppX