OpenAIChatNode - ComfyUI Built-in Node Documentation

This node generates text responses from an OpenAI model. It sends your text prompt (and optionally images or files) to an OpenAI model and returns the generated text response.

Inputs

Parameter	Description	Data Type	Required	Range
`prompt`	Text inputs to the model, used to generate a response (default: empty)	STRING	Yes	-
`persist_context`	This parameter is deprecated and has no effect (default: False)	BOOLEAN	Yes	-
`model`	The model used to generate the response (default: `gpt-5`)	COMBO	Yes	`gpt-5.5-pro` `gpt-5.5` `gpt-5` `gpt-5-mini` `gpt-5-nano` `gpt-4.1` `gpt-4.1-mini` `gpt-4.1-nano` `o4-mini` `o3` `o1-pro` `o1`
`images`	Optional image(s) to use as context for the model. To include multiple images, you can use the Batch Images node	IMAGE	No	-
`files`	Optional file(s) to use as context for the model. Accepts inputs from the OpenAI Chat Input Files node	OPENAI_INPUT_FILES	No	-
`advanced_options`	Optional configuration for the model. Accepts inputs from the OpenAI Chat Advanced Options node	OPENAI_CHAT_CONFIG	No	-

Outputs

Output Name	Description	Data Type
`output_text`	The text response generated by the OpenAI model	STRING

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Inputs

Outputs