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packages/@n8n/nodes-langchain/nodes/vendors/OpenAi/OpenAi.node.ts

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+import {
+	type IVersionedNodeType,
+	VersionedNodeType,
+	type INodeTypeBaseDescription,
+} from 'n8n-workflow';
+
+import { prettifyOperation } from './helpers/description';
+import { OpenAiV1 } from './v1/OpenAiV1.node';
+import { OpenAiV2 } from './v2/OpenAiV2.node';
+
+export class OpenAi extends VersionedNodeType {
+	constructor() {
+		const baseDescription: INodeTypeBaseDescription = {
+			displayName: 'OpenAI',
+			name: 'openAi',
+			icon: { light: 'file:openAi.svg', dark: 'file:openAi.dark.svg' },
+			group: ['transform'],
+			defaultVersion: 2.1,
+			subtitle: `={{(${prettifyOperation})($parameter.resource, $parameter.operation)}}`,
+			description: 'Message an assistant or GPT, analyze images, generate audio, etc.',
+			codex: {
+				alias: [
+					'LangChain',
+					'ChatGPT',
+					'Sora',
+					'DallE',
+					'whisper',
+					'audio',
+					'transcribe',
+					'tts',
+					'assistant',
+				],
+				categories: ['AI'],
+				subcategories: {
+					AI: ['Agents', 'Miscellaneous', 'Root Nodes'],
+				},
+				resources: {
+					primaryDocumentation: [
+						{
+							url: 'https://docs.n8n.io/integrations/builtin/app-nodes/n8n-nodes-langchain.openai/',
+						},
+					],
+				},
+			},
+			builderHint: {
+				message:
+					'For text generation, reasoning and tools, use AI Agent with OpenAI Chat Model. This OpenAI node is for specialized operations: image generation (DALL-E), audio (Whisper, TTS), and video generation (Sora).',
+				relatedNodes: [
+					{
+						nodeType: '@n8n/n8n-nodes-langchain.agent',
+						relationHint: 'Prefer for most LLM tasks',
+					},
+					{
+						nodeType: '@n8n/n8n-nodes-langchain.lmChatOpenAi',
+						relationHint: 'Prefer for most LLM tasks',
+					},
+				],
+			},
+		};
+
+		const nodeVersions: IVersionedNodeType['nodeVersions'] = {
+			1: new OpenAiV1(baseDescription),
+			1.1: new OpenAiV1(baseDescription),
+			1.2: new OpenAiV1(baseDescription),
+			1.3: new OpenAiV1(baseDescription),
+			1.4: new OpenAiV1(baseDescription),
+			1.5: new OpenAiV1(baseDescription),
+			1.6: new OpenAiV1(baseDescription),
+			1.7: new OpenAiV1(baseDescription),
+			1.8: new OpenAiV1(baseDescription),
+			2: new OpenAiV2(baseDescription),
+			2.1: new OpenAiV2(baseDescription),
+		};
+
+		super(nodeVersions, baseDescription);
+	}
+}