ComfyUI > Nodes > ComfyUI > OpenAI ChatGPT

ComfyUI Node: OpenAI ChatGPT

Class Name

OpenAIChatNode

Category
api node/text/OpenAI
Author
ComfyAnonymous (Account age: 763days)
Extension
ComfyUI
Latest Updated
2026-05-13
Github Stars
112.77K

How to Install ComfyUI

Install this extension via the ComfyUI Manager by searching for ComfyUI
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter 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.

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OpenAI ChatGPT Description

Generate text responses using OpenAI model for various tasks, simplifying interaction with language models.

OpenAI ChatGPT:

The OpenAIChatNode is designed to generate text responses using an OpenAI model, specifically tailored for text generation tasks. This node serves as a bridge between your creative ideas and the powerful capabilities of OpenAI's language models, allowing you to produce coherent and contextually relevant text outputs. It is particularly beneficial for tasks that require natural language understanding and generation, such as creating dialogue, writing content, or generating creative text based on specific prompts. The node simplifies the process of interacting with OpenAI's models, making it accessible even to those without a technical background, by abstracting the complexities of API interactions and providing a user-friendly interface for text generation.

OpenAI ChatGPT Input Parameters:

truncation

Truncation is a boolean parameter that determines whether the generated text should be truncated to fit within a specified length. This is useful when you want to ensure that the output does not exceed a certain number of tokens, which can be important for maintaining concise responses or adhering to character limits in specific applications. The default value is typically False, meaning no truncation is applied unless specified.

instructions

Instructions are optional text inputs that provide additional context or guidance to the model, helping to shape the nature of the generated response. By specifying instructions, you can influence the tone, style, or content of the output, making it more aligned with your specific needs. This parameter can be left empty if no specific instructions are required.

max_output_tokens

Max output tokens define the maximum number of tokens that the model can generate in response to a given input. This parameter helps control the length of the output, ensuring that it remains within a manageable size. The value can be adjusted based on the desired length of the response, with higher values allowing for longer outputs. The default value is typically set to a reasonable number that balances detail and brevity.

OpenAI ChatGPT Output Parameters:

ModelResponseProperties

The output of the OpenAIChatNode is encapsulated in the ModelResponseProperties, which includes the generated text response along with any additional metadata related to the response. This output is crucial as it provides the actual text generated by the model, which can then be used in various applications such as chatbots, content creation, or any other text-based tasks. The output is designed to be easily interpretable, allowing you to seamlessly integrate it into your projects.

OpenAI ChatGPT Usage Tips:

  • To optimize the quality of the generated text, provide clear and concise instructions that guide the model towards the desired output style or content.
  • Experiment with different values for max_output_tokens to find the right balance between detail and brevity in the generated responses.
  • Use the truncation feature to ensure that the output fits within specific length constraints, which can be particularly useful for applications with strict character limits.

OpenAI ChatGPT Common Errors and Solutions:

"Model not supported for top_p and temperature"

  • Explanation: Some models, such as o4-mini, do not support the top_p and temperature parameters, which are often used to control randomness and diversity in text generation.
  • Solution: Ensure that you are using a model that supports these parameters, or avoid using them if they are not necessary for your task.

"Invalid input file format"

  • Explanation: The node only accepts text (.txt) and PDF (.pdf) files as input. If you attempt to use a different file format, this error will occur.
  • Solution: Convert your input files to the supported formats before using them with the node.

"Exceeded max output tokens"

  • Explanation: The generated response exceeds the specified maximum number of tokens.
  • Solution: Increase the max_output_tokens parameter to allow for longer responses, or refine your input to encourage more concise outputs.

OpenAI ChatGPT Related Nodes

Go back to the extension to check out more related nodes.
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