Latenode
Gmail
OpenAI GPT Assistants

Intelligently route and automate email responses using AI

This automation system automatically categorizes incoming emails using AI to determine priority or topic, then generates and sends appropriate automated responses through Gmail using specialized OpenAI language models.

It routes emails to dedicated AI agents based on the classification (e.g., support, sales, finance), allowing each agent to process the email with the right rules, tone, and output format. For internal and support emails, the system automatically replies via Gmail. For other email types, it creates a draft/summary and sends a notification for human review. This streamlines email triage and response, improving efficiency and customer experience.

Updated Apr 2, 2026Est. run: 43sEst. cost: $0.0027
How Latenode estimates time and cost

Latenode bills workflow runs in credits: 1 credit = 30 seconds of processing. Minimum charge per run depends on your plan. Plug-and-Play (PnP) AI nodes are billed separately—each PnP token is $1 USD, charged pay-as-you-go at vendor cost plus a small processing fee, with no API keys required.

Full pricing — how credits work →
Email

Workflow preview

What this template does

  • Classifies incoming emails using AI to determine priority or topic
  • Generates and sends automated responses through Gmail using OpenAI agents
  • Routes emails to dedicated AI agents based on the email classification
  • Automatically replies to internal and support emails via Gmail
  • Creates draft/summary and sends notification for human review of other emails

How it works

1
Trigger

Monitor Gmail Inbox for New Emails

The automation system monitors the Gmail inbox for new unread emails, triggering the workflow.

2
AI

Categorize Emails Using OpenAI

The system uses OpenAI to classify each incoming email as Internal, Support, Sales, Promotions, or Finance based on the email content.

3
Logic

Route Emails to Specialized Agents

The system routes the email to the appropriate dedicated OpenAI agent based on the email classification, allowing each agent to process the email with the right rules, tone, and output format.

4
Action

Generate Automated Responses

For Internal and Support emails, the dedicated OpenAI agent drafts and sends an automated reply via Gmail. For Sales, Finance, and Promotions emails, the agent generates a draft/summary for human review.

5
Action

Send Automated Replies

The system automatically sends the AI-generated responses for Internal and Support emails via Gmail.

6
Action

Notify for Review

For Sales, Finance, and Promotions emails, the system sends a notification (e.g., to Telegram) for human review of the generated draft/summary.

Setup guide

1

Add Gmail credential

Add your Gmail account credentials in the Latenode Credentials panel. This allows the workflow to access and send emails via your Gmail account.

2

Add OpenAI credential

Add your OpenAI API key in the Latenode Credentials panel. This enables the workflow to utilize OpenAI's language models for email classification and response generation.

3

Configure Gmail Trigger

In the Latenode visual builder, add the Gmail Trigger node and configure it to monitor your Gmail inbox for new, unread emails.

4

Set up Text Classifier

Add the Text Classifier node and configure it to categorize incoming emails into the specified types: Internal, Customer Support, Sales, Promotions, or Admin/Finance.

5

Configure OpenAI Agents

For each email category, add an OpenAI Agent node and customize the system prompt to ensure the generated responses are tailored to the appropriate tone and format.

Requirements

Connect to Gmail API and obtain the necessary API credentials and permissions to send emails on behalf of the user
Integrate with OpenAI to access the language models for automated email generation
Set up AI models to categorize incoming emails by priority or topic using natural language processing techniques
Implement logic to route emails to the appropriate AI agent based on the email classification (e.g., support, sales, finance)

FAQ

Common questions about this template

Each run uses credits on your Latenode plan. We charge for processing time (1 credit = 30 seconds). Your actual cost depends on your plan and how long the run takes. See pricing plans for plans and how credits work.
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