ComfyUI Flux/SD3 Prompt Generator

ComfyUI Prompt Flux/SD3 Generator

This workflow offers a completely self-contained solution for generating and optimizing prompts for both CLIP-L and T5XXL, running entirely within ComfyUI without requiring any external APIs or Ollama.

Key Features

• Dual Input Methods: Process images using Florence-2 Vision Language Model or input custom prompts manually

• Fully Local Processing: All language models run directly within ComfyUI

• Zero External Dependencies: No need for API keys or Ollama setup

Technical Architecture

The workflow utilizes three locally running Mistral-7B-Instruct models in sequence to:

• Generate detailed descriptions

• Optimize prompt structure

• Format specialized outputs for CLIP-L and T5XXL

Components

• Florence2 custom nodes for image analysis

• Searge-LLM custom nodes for running Mistral-7B locally

• Custom prompt styling and optimization scripts

• Integrated CLIP-L and T5XXL output formatters

  Searge LLM Installation Guide

  1. Create directory:

  2. mkdir ComfyUI/models/llm_gguf

  3. Download model:

  • File: Mistral-7B-Instruct-v0.3.Q4_K_M.gguf (4.37 GB)

  • Place in: ComfyUI/models/llm_gguf/