feat: add ChatInception chat model node

packages/components/credentials/InceptionApi.credential.ts

@@ -0,0 +1,26 @@
+import { INodeParams, INodeCredential } from '../src/Interface'
+
+class InceptionApi implements INodeCredential {
+    label: string
+    name: string
+    version: number
+    description: string
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Inception API'
+        this.name = 'inceptionApi'
+        this.version = 1.0
+        this.description = 'Get your API key from the Inception Platform dashboard'
+        this.inputs = [
+            {
+                label: 'Inception API Key',
+                name: 'inceptionApiKey',
+                type: 'password',
+                description: 'Get your API key from https://platform.inceptionlabs.ai/'
+            }
+        ]
+    }
+}
+
+module.exports = { credClass: InceptionApi }

packages/components/models.json

@@ -1,5 +1,17 @@
 {
     "chat": [
+        {
+            "name": "chatInception",
+            "models": [
+                {
+                    "label": "mercury-2",
+                    "name": "mercury-2",
+                    "description": "Fastest reasoning LLM and Inception's most powerful model. Supports tool calling and structured outputs.",
+                    "input_cost": 0.00025,
+                    "output_cost": 0.00075
+                }
+            ]
+        },
         {
             "name": "awsChatBedrock",
             "models": [

packages/components/nodes/chatmodels/ChatInception/ChatInception.ts

@@ -0,0 +1,173 @@
+import { ChatOpenAI, ChatOpenAIFields } from '@langchain/openai'
+import { BaseCache } from '@langchain/core/caches'
+import { ICommonObject, INode, INodeData, INodeOptionsValue, INodeParams } from '../../../src/Interface'
+import { getBaseClasses, getCredentialData, getCredentialParam, parseJsonBody } from '../../../src/utils'
+import { getModels, MODEL_TYPE } from '../../../src/modelLoader'
+
+const DEFAULT_BASE_URL = 'https://api.inceptionlabs.ai/v1'
+
+class ChatInception_ChatModels implements INode {
+    label: string
+    name: string
+    version: number
+    type: string
+    icon: string
+    category: string
+    description: string
+    baseClasses: string[]
+    credential: INodeParams
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'ChatInception'
+        this.name = 'chatInception'
+        this.version = 1.0
+        this.type = 'ChatInception'
+        this.icon = 'inception.svg'
+        this.category = 'Chat Models'
+        this.description = 'Wrapper around Inception Mercury diffusion LLMs (OpenAI-compatible API)'
+        this.baseClasses = [this.type, ...getBaseClasses(ChatOpenAI)]
+        this.credential = {
+            label: 'Connect Credential',
+            name: 'credential',
+            type: 'credential',
+            credentialNames: ['inceptionApi']
+        }
+        this.inputs = [
+            {
+                label: 'Cache',
+                name: 'cache',
+                type: 'BaseCache',
+                optional: true
+            },
+            {
+                label: 'Model Name',
+                name: 'modelName',
+                type: 'asyncOptions',
+                loadMethod: 'listModels',
+                default: 'mercury-2'
+            },
+            {
+                label: 'Temperature',
+                name: 'temperature',
+                type: 'number',
+                step: 0.1,
+                default: 0.75,
+                optional: true
+            },
+            {
+                label: 'Reasoning Effort',
+                name: 'reasoningEffort',
+                type: 'options',
+                description: 'Controls how much the model thinks before answering. Only applicable to reasoning models such as mercury-2.',
+                options: [
+                    { label: 'Instant', name: 'instant' },
+                    { label: 'Low', name: 'low' },
+                    { label: 'Medium', name: 'medium' },
+                    { label: 'High', name: 'high' }
+                ],
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'Streaming',
+                name: 'streaming',
+                type: 'boolean',
+                default: true,
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'Max Tokens',
+                name: 'maxTokens',
+                type: 'number',
+                step: 1,
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'Timeout',
+                name: 'timeout',
+                type: 'number',
+                step: 1,
+                optional: true,
+                additionalParams: true
+            },
+            {
+                label: 'Base Path',
+                name: 'basepath',
+                type: 'string',
+                optional: true,
+                default: DEFAULT_BASE_URL,
+                description: 'Override the default base URL for the API, e.g., "https://api.inceptionlabs.ai/v1"',
+                additionalParams: true
+            },
+            {
+                label: 'Base Options',
+                name: 'baseOptions',
+                type: 'json',
+                optional: true,
+                description: 'Default headers to include with every request to the API.',
+                additionalParams: true
+            }
+        ]
+    }
+
+    loadMethods = {
+        async listModels(_: INodeData, __?: ICommonObject): Promise<INodeOptionsValue[]> {
+            return await getModels(MODEL_TYPE.CHAT, 'chatInception')
+        }
+    }
+
+    async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<any> {
+        const temperature = nodeData.inputs?.temperature as string
+        const modelName = nodeData.inputs?.modelName as string
+        const maxTokens = nodeData.inputs?.maxTokens as string
+        const timeout = nodeData.inputs?.timeout as string
+        const streaming = nodeData.inputs?.streaming as boolean
+        const reasoningEffort = nodeData.inputs?.reasoningEffort as string
+        const basePath = nodeData.inputs?.basepath as string
+        const baseOptions = nodeData.inputs?.baseOptions
+        const cache = nodeData.inputs?.cache as BaseCache
+
+        const credentialData = await getCredentialData(nodeData.credential ?? '', options)
+        const inceptionApiKey = getCredentialParam('inceptionApiKey', credentialData, nodeData)
+
+        const obj: ChatOpenAIFields = {
+            model: modelName,
+            apiKey: inceptionApiKey,
+            openAIApiKey: inceptionApiKey,
+            streaming: streaming ?? true
+        }
+
+        if (temperature != null && temperature !== '') obj.temperature = parseFloat(temperature)
+        if (maxTokens) obj.maxTokens = parseInt(maxTokens, 10)
+        if (timeout) obj.timeout = parseInt(timeout, 10)
+        if (cache) obj.cache = cache
+        // Inception accepts "instant" in addition to the standard OpenAI reasoning efforts,
+        // so pass it through modelKwargs to bypass the stricter ChatOpenAI typing.
+        if (reasoningEffort) obj.modelKwargs = { reasoning_effort: reasoningEffort }
+
+        let parsedBaseOptions: any | undefined = undefined
+
+        if (baseOptions) {
+            try {
+                parsedBaseOptions = typeof baseOptions === 'object' ? baseOptions : parseJsonBody(baseOptions)
+            } catch (exception) {
+                throw new Error("Invalid JSON in the ChatInception's BaseOptions: " + exception)
+            }
+        }
+
+        obj.configuration = {
+            baseURL: basePath || DEFAULT_BASE_URL,
+            defaultHeaders: {
+                ...(parsedBaseOptions || {})
+            }
+        }
+
+        const model = new ChatOpenAI(obj)
+        return model
+    }
+}
+
+module.exports = { nodeClass: ChatInception_ChatModels }