OpenAIChatConfig - ComfyUI Built-in Node Documentation

The OpenAIChatConfig node allows setting additional configuration options for the OpenAI Chat Node. It provides advanced settings that control how the model generates responses, including truncation behavior, output length limits, and custom instructions.

Inputs

Parameter	Description	Data Type	Required	Range
`truncation`	The truncation strategy to use for the model response. auto: If the context of this response and previous ones exceeds the model’s context window size, the model will truncate the response to fit the context window by dropping input items in the middle of the conversation. disabled: If a model response will exceed the context window size for a model, the request will fail with a 400 error (default: “auto”)	COMBO	Yes	`"auto"` `"disabled"`
`max_output_tokens`	An upper bound for the number of tokens that can be generated for a response, including visible output tokens (default: 4096)	INT	No	16 to 16384
`instructions`	Instructions for the model on how to generate the response (multiline input supported)	STRING	No	-

Outputs

Output Name	Description	Data Type
`OPENAI_CHAT_CONFIG`	Configuration object containing the specified settings for use with OpenAI Chat Nodes	OPENAI_CHAT_CONFIG

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