Save 4 hours! We auto-setup your workflow! Free!

Drop your workflow.json — we handle every dependency, custom node, and model. Just open the link and run.

Auto-Setup Workflow Json (Free) Now!
ComfyUI > Nodes > MiniMax-H3-Prompt-Rewriter-ComfyUI > MiniMax-H3 Prompt Writer (T2VA/I2VA/FL2VA/L2VA)

ComfyUI Node: MiniMax-H3 Prompt Writer (T2VA/I2VA/FL2VA/L2VA)

Class Name

MiniMaxH3GuidedWriter

Category
MiniMax-H3
Author
pytraveler (Account age: 2136days)
Extension
MiniMax-H3-Prompt-Rewriter-ComfyUI
Latest Updated
2026-08-13
Github Stars
0.03K

How to Install MiniMax-H3-Prompt-Rewriter-ComfyUI

Install this extension via the ComfyUI Manager by searching for MiniMax-H3-Prompt-Rewriter-ComfyUI
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter MiniMax-H3-Prompt-Rewriter-ComfyUI in the search bar
After installation, click the Restart button to restart ComfyUI. Then, manually refresh your browser to clear the cache and access the updated list of nodes.

Visit ComfyUI Online for ready-to-use ComfyUI environment

  • Free trial available
  • 16GB VRAM to 80GB VRAM GPU machines
  • 400+ preloaded models/nodes
  • Freedom to upload custom models/nodes
  • 200+ ready-to-run workflows
  • 100% private workspace with up to 200GB storage
  • Dedicated Support

Run ComfyUI Online

MiniMax-H3 Prompt Writer (T2VA/I2VA/FL2VA/L2VA) Description

Sophisticated node for generating audio-video descriptions with MiniMax's writing guide, enhancing creative projects with guided prompts.

MiniMax-H3 Prompt Writer (T2VA/I2VA/FL2VA/L2VA):

The MiniMaxH3GuidedWriter is a sophisticated node designed to generate audio-video descriptions using MiniMax's proprietary writing guide. This node is particularly beneficial for users who wish to create detailed and coherent prompts without relying on LoRA (Low-Rank Adaptation) models, allowing for broader compatibility with various instruction-following models. By leveraging the MiniMax-H3 guide, the node ensures that the outputs are consistent and interchangeable with those produced by LoRA-based rewriters, making it a versatile tool in any creative workflow. The guide is fetched from MiniMaxAI/MiniMax-H3 upon first use, ensuring that users always have access to the latest writing techniques. This node is ideal for AI artists looking to enhance their creative projects with high-quality, guided prompts.

MiniMax-H3 Prompt Writer (T2VA/I2VA/FL2VA/L2VA) Input Parameters:

prompt

The prompt parameter is the initial text input that you want to transform into a detailed audio-video description. It serves as the foundation for the guided writing process, and its content significantly influences the final output. There are no strict minimum or maximum values for this parameter, but providing a clear and concise prompt will yield the best results.

model

The model parameter specifies the instruction-following model to be used for generating the description. This parameter determines the model's capabilities and influences the quality and style of the output. Users can choose from various models, with the default being a 4B model that can run on an 8 GB card.

task

The task parameter defines the specific task or objective for the guided writing process. It helps tailor the output to meet particular requirements or goals, ensuring that the generated description aligns with the intended use case.

resolution

The resolution parameter indicates the desired level of detail or granularity in the output description. Higher resolutions result in more detailed descriptions, while lower resolutions produce more concise outputs. This parameter allows users to control the depth of information in the final result.

duration

The duration parameter specifies the length of the audio-video content that the description will cover. It helps ensure that the generated prompt is appropriately scaled to match the intended duration of the content. The parameter accepts integer values, with no strict minimum or maximum limits.

greedy

The greedy parameter is a boolean flag that determines whether the node should prioritize generating the most likely output at each step. When set to True, the node may produce more predictable and coherent descriptions, while setting it to False allows for more creative and diverse outputs.

seed

The seed parameter is an integer value used to initialize the random number generator for the guided writing process. By setting a specific seed, users can ensure reproducibility of the output, allowing them to generate the same description across multiple runs.

keep_model_loaded

The keep_model_loaded parameter is a boolean flag that indicates whether the model should remain loaded in memory after the writing process is complete. Keeping the model loaded can improve performance for subsequent runs, especially when working with large models.

reference_material

The reference_material parameter allows users to provide additional context or information that can be used to guide the writing process. This optional parameter can enhance the relevance and accuracy of the generated description by incorporating specific details from the reference material.

options

The options parameter is a dictionary that allows users to customize various settings for the guided writing process. By providing specific options, users can fine-tune the behavior of the node to better suit their needs. If not provided, default settings are used.

unique_id

The unique_id parameter is an optional identifier that can be used to track the progress of the writing process. It is particularly useful for monitoring and managing multiple concurrent runs of the node.

MiniMax-H3 Prompt Writer (T2VA/I2VA/FL2VA/L2VA) Output Parameters:

rewritten_prompt

The rewritten_prompt is the primary output of the MiniMaxH3GuidedWriter node. It is a detailed and coherent audio-video description generated based on the input prompt and guided by the MiniMax-H3 writing guide. This output is designed to be interchangeable with those produced by LoRA-based rewriters, ensuring consistency and compatibility in creative workflows.

MiniMax-H3 Prompt Writer (T2VA/I2VA/FL2VA/L2VA) Usage Tips:

  • To achieve the best results, provide a clear and concise initial prompt that accurately reflects the desired outcome.
  • Experiment with different models and resolutions to find the optimal balance between detail and performance for your specific project.
  • Utilize the reference_material parameter to incorporate specific details and enhance the relevance of the generated description.

MiniMax-H3 Prompt Writer (T2VA/I2VA/FL2VA/L2VA) Common Errors and Solutions:

"Model not found"

  • Explanation: This error occurs when the specified model is not available or cannot be loaded.
  • Solution: Ensure that the model name is correct and that the model is properly installed and accessible.

"Invalid seed value"

  • Explanation: This error indicates that the provided seed value is not a valid integer.
  • Solution: Verify that the seed parameter is set to a valid integer value to ensure reproducibility.

"Guide fetch failed"

  • Explanation: This error occurs when the node is unable to fetch the MiniMax-H3 guide from the repository.
  • Solution: Check your internet connection and ensure that the GUIDE_REPO and GUIDE_REVISION settings are correct. Retry the operation once the connection is stable.

MiniMax-H3 Prompt Writer (T2VA/I2VA/FL2VA/L2VA) Related Nodes

Go back to the extension to check out more related nodes.
MiniMax-H3-Prompt-Rewriter-ComfyUI
RunComfy
Copyright 2025 RunComfy. All Rights Reserved.

RunComfy is the premier ComfyUI platform, offering ComfyUI online environment and services, along with ComfyUI workflows featuring stunning visuals. RunComfy also provides AI Models, enabling artists to harness the latest AI tools to create incredible art.

MiniMax-H3 Prompt Writer (T2VA/I2VA/FL2VA/L2VA)