Billy Christi This workflow corresponds to n8n.io template #7633 — we link there as the canonical source.
This workflow follows the Gmail → OpenAI Chat recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"nodes": [
{
"id": "ebb9a336-a28d-4896-b997-46c9fa963127",
"name": "Schedule Trigger",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
280,
400
],
"parameters": {
"rule": {
"interval": [
{
"field": "minutes"
}
]
}
},
"typeVersion": 1.2
},
{
"id": "f3099bfa-ff5d-42ea-88db-f4ac5206b21b",
"name": "Loop Over Items",
"type": "n8n-nodes-base.splitInBatches",
"position": [
720,
420
],
"parameters": {
"options": {}
},
"typeVersion": 3
},
{
"id": "d05201ee-55d4-4e27-b31e-6c588ee224ae",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
940,
640
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-5",
"cachedResultName": "gpt-5"
},
"options": {}
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "1503f20c-7b39-4b47-8d80-ffcafea8d004",
"name": "Add Label (High Priority)",
"type": "n8n-nodes-base.gmail",
"position": [
1440,
260
],
"parameters": {
"labelIds": [
"IMPORTANT"
],
"resource": "thread",
"threadId": "={{ $json.threadId }}",
"operation": "addLabels"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.1
},
{
"id": "1cf7e5f2-d95d-4716-92b8-25fb873c5279",
"name": "Add Label (Personal)",
"type": "n8n-nodes-base.gmail",
"position": [
1440,
460
],
"parameters": {
"labelIds": [
"CATEGORY_PERSONAL"
],
"resource": "thread",
"threadId": "={{ $json.threadId }}",
"operation": "addLabels"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.1
},
{
"id": "c6bf0b6d-07b8-4db6-a23c-e016e922ae6a",
"name": "Add Label (Promotions)",
"type": "n8n-nodes-base.gmail",
"position": [
1440,
680
],
"parameters": {
"labelIds": [
"CATEGORY_PROMOTIONS"
],
"resource": "thread",
"threadId": "={{ $json.threadId }}",
"operation": "addLabels"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.1
},
{
"id": "96a7c0e2-8cbc-4b6f-bad4-890c22f49c41",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-180,
320
],
"parameters": {
"color": 4,
"width": 400,
"height": 300,
"content": "## SETUP REQUIRED\n\nWorkflow Configurations:\n- Update the Text Classifier and adjust the labels based on your use case.\n- Add/Remove the Gmail addLabels node to match your use case.\n\nRequired Credentials:\n- Gmail Credential\n- OpenAI API Key"
},
"typeVersion": 1
},
{
"id": "356a4f13-5e7e-4867-ae9d-e7b668fc000d",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-180,
960
],
"parameters": {
"color": 4,
"width": 680,
"height": 400,
"content": "## \ud83d\udccb WORKFLOW PROCESS OVERVIEW\n\nStep 1: \u23f0 Schedule Trigger executes the workflow every 5 minutes automatically\nStep 2: \ud83d\udce8 Gmail Fetch retrieves up to 10 recent emails from the last 5 minutes using Gmail API\nStep 3: \ud83d\udd04 Loop Over Items processes each email individually through a batch splitting mechanism\nStep 4: \ud83e\udd16 Text Classifier (AI Agent) analyzes email subject and body content using OpenAI to categorize emails\nStep 5: \ud83c\udff7\ufe0f Add Labels applies the appropriate Gmail label based on classification: (below is an example only, adjust to your own use case)\n - High Priority emails \u2192 \"IMPORTANT\" label\n - Personal emails \u2192 \"CATEGORY_PERSONAL\" label \n - Promotional emails \u2192 \"CATEGORY_PROMOTIONS\" label\n\n\nStep 6: \u21a9\ufe0f Loop Back continues processing remaining emails until all are classified and labeled"
},
"typeVersion": 1
},
{
"id": "caac34f4-9c3f-498c-851e-0f3c8aa47b59",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-180,
660
],
"parameters": {
"color": 4,
"width": 680,
"height": 280,
"content": "## \ud83d\udce7 Smart Gmail Labeling Automation with Text Classifier and GPT-5\n\nWhat This Template Does:\n\n- Runs every 5 minutes to automatically fetch recent emails from your Gmail inbox\n- Retrieves up to 10 emails received within the last 5 minutes\n- Uses OpenAI's Model to intelligently classify each email into predefined categories\n- Automatically applies appropriate Gmail labels based on AI classification results\n- Organizes your inbox by categorizing emails as High Priority, Personal, or Promotional content\n- Processes emails individually through a batch loop to ensure accurate classification"
},
"typeVersion": 1
},
{
"id": "59f3ef25-86a1-4353-b52a-17ef8437d014",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
1360,
80
],
"parameters": {
"color": 4,
"width": 280,
"height": 860,
"content": "## Add Label Nodes\n\nAdd Label Nodes based on your use case. For example, if you have 5 labels, then you can add 5 nodes and adjust the label names on each node.\n"
},
"typeVersion": 1
},
{
"id": "90022931-b5a3-459f-8007-0828ef195cc3",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
940,
280
],
"parameters": {
"color": 4,
"width": 320,
"height": 320,
"content": "## Label Classifier\n\nAdjust the categories based on your use case. Also, add a description to each category for maximum results.\n"
},
"typeVersion": 1
},
{
"id": "f73aa2ef-317d-44bf-a04c-7cc40a823328",
"name": "Label Classifier",
"type": "@n8n/n8n-nodes-langchain.textClassifier",
"position": [
960,
460
],
"parameters": {
"options": {
"fallback": "other"
},
"inputText": "=Email Subject:\n{{ $json.headers.subject }}\n\nEmail Body:\n{{ $json.text }}",
"categories": {
"categories": [
{
"category": "High Priority",
"description": "Emails that require immediate attention or urgent action."
},
{
"category": "Personal",
"description": "Personal refers to activities or matters related to private life, self, or non-work interests."
},
{
"category": "Promotions",
"description": "Promotions refer to marketing messages or activities that advertise products, services, or offers"
}
]
}
},
"typeVersion": 1,
"alwaysOutputData": false
},
{
"id": "c27d9b65-e31a-483e-beba-70af54e287fd",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
380,
240
],
"parameters": {
"color": 4,
"width": 320,
"height": 320,
"content": "## Gmail - Get Emails\n\nGet all messages received within the last 5 minutes. \nYou can adjust the time range and the email limit here.\n"
},
"typeVersion": 1
},
{
"id": "4b8a92f1-4894-43cd-a647-7efebd253e64",
"name": "Gmail - Get Emails",
"type": "n8n-nodes-base.gmail",
"position": [
480,
400
],
"parameters": {
"limit": 10,
"simple": false,
"filters": {
"receivedAfter": "={{ $now.minus({ minutes: 50000 }).toMillis() }}"
},
"options": {},
"operation": "getAll"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.1
},
{
"id": "f8aeeec3-e0d7-44a9-ad67-6c2735a63a6e",
"name": "Sticky Note7",
"type": "n8n-nodes-base.stickyNote",
"position": [
1680,
120
],
"parameters": {
"color": 4,
"width": 380,
"height": 760,
"content": "# \ud83d\udc4b Hi, I\u2019m Billy\n\nI help businesses build **n8n workflows** & **AI automation projects**. \nNeed help with n8n or AI Automation projects? \nContact me and let\u2019s build your automation together.\n\n\ud83d\udce9 **Email:** billychartanto@gmail.com \n\ud83e\udd1d **n8n Creator:** [n8n.io/creators/billy](https://n8n.io/creators/billy/)\n\ud83c\udf10 **My n8n Projects:** [billychristi.com/n8n](https://www.billychristi.com/n8n) \n\n\n\n---\n\ud83d\udca1 Feel free to get in touch if you\u2019d like help on your next automation project or if you have any feedback or thoughts to share.\n"
},
"typeVersion": 1
}
],
"connections": {
"Loop Over Items": {
"main": [
[],
[
{
"node": "Label Classifier",
"type": "main",
"index": 0
}
]
]
},
"Label Classifier": {
"main": [
[
{
"node": "Add Label (High Priority)",
"type": "main",
"index": 0
}
],
[
{
"node": "Add Label (Personal)",
"type": "main",
"index": 0
}
],
[
{
"node": "Add Label (Promotions)",
"type": "main",
"index": 0
}
],
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"Schedule Trigger": {
"main": [
[
{
"node": "Gmail - Get Emails",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "Label Classifier",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Gmail - Get Emails": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"Add Label (Personal)": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"Add Label (Promotions)": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"Add Label (High Priority)": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
}
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
gmailOAuth2openAiApi
Pro
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About this workflow
This workflow automatically organizes your Gmail inbox by fetching recent emails, analyzing their content with AI, and applying the appropriate Gmail labels based on the results.
Source: https://n8n.io/workflows/7633/ — original creator credit. Request a take-down →
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