@n8n/n8n-nodes-langchain
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text/typescript
/**
* OpenRouter Chat Model Node - Version 1
* For advanced usage with an AI chain
*/
export interface LcLmChatOpenRouterV1Params {
/**
* The model which will generate the completion. <a href="https://openrouter.ai/docs/models">Learn more</a>.
* @builderHint Default to a current flagship (e.g. openai/gpt-5.4, anthropic/claude-sonnet-4.6, google/gemini-3.1-pro-preview). Avoid openai/gpt-4o, anthropic/claude-3.x, and other pre-2026 models.
* @default openai/gpt-4.1-mini
*/
model?: string | Expression<string>;
/**
* Additional options to add
* @default {}
*/
options?: {
/** Positive values penalize new tokens based on their existing frequency in the text so far, decreasing the model's likelihood to repeat the same line verbatim
* @default 0
*/
frequencyPenalty?: number | Expression<number>;
/** The maximum number of tokens to generate in the completion. Most models have a context length of 2048 tokens (except for the newest models, which support 32,768).
* @default -1
*/
maxTokens?: number | Expression<number>;
/** Response Format
* @default text
*/
responseFormat?: 'text' | 'json_object' | Expression<string>;
/** Positive values penalize new tokens based on whether they appear in the text so far, increasing the model's likelihood to talk about new topics
* @default 0
*/
presencePenalty?: number | Expression<number>;
/** Controls randomness: Lowering results in less random completions. As the temperature approaches zero, the model will become deterministic and repetitive.
* @default 0.7
*/
temperature?: number | Expression<number>;
/** Maximum amount of time a request is allowed to take in milliseconds
* @default 360000
*/
timeout?: number | Expression<number>;
/** Maximum number of retries to attempt
* @default 2
*/
maxRetries?: number | Expression<number>;
/** Controls diversity via nucleus sampling: 0.5 means half of all likelihood-weighted options are considered. We generally recommend altering this or temperature but not both.
* @default 1
*/
topP?: number | Expression<number>;
};
}
export interface LcLmChatOpenRouterV1Credentials {
openRouterApi: CredentialReference;
}
interface LcLmChatOpenRouterV1NodeBase {
type: '@n8n/n8n-nodes-langchain.lmChatOpenRouter';
version: 1;
credentials?: LcLmChatOpenRouterV1Credentials;
isTrigger: true;
}
export type LcLmChatOpenRouterV1ParamsNode = LcLmChatOpenRouterV1NodeBase & {
config: NodeConfig<LcLmChatOpenRouterV1Params>;
};
export type LcLmChatOpenRouterV1Node = LcLmChatOpenRouterV1ParamsNode;