---

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