OpenAIChatConfig - ComfyUI Built-in Node Documentation

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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	Data Type	Required	Range	Description
`truncation`	COMBO	Yes	`"auto"` `"disabled"`	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”)
`max_output_tokens`	INT	No	16-16384	An upper bound for the number of tokens that can be generated for a response, including visible output tokens (default: 4096)
`instructions`	STRING	No	-	Additional instructions for the model response (multiline input supported)

Outputs

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

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