If your Gmail inbox feels like a second full-time job, you’re not alone. Whether you're buried under newsletters, stuck rewriting the same email again, or trying to remember who you were supposed to follow up with, AI assistants can help.
Tools like Lindy, Mailmaestro, and Superhuman each offer unique features — from automation and polished writing to efficient inbox management.
In this review, we’ll explore:
- The top 9 Gmail AI assistants
- Pricing, features, pros, and cons of each tool
- Use cases across writing, organizing, and following up
- A side-by-side comparison table
- How we reviewed these tools
Let’s first take a look at the 9 tools we’ll cover.
The 9 best Gmail AI assistants: TL;DR
We compiled a quick overview of the top tools before diving into full reviews. Here’s a crisp rundown of the best Gmail AI assistants:
- Lindy – Best for automating email workflows like triage, scheduling, and CRM updates
- Superhuman – Best for fast, keyboard-first inbox productivity
- Mailmaestro – Best for drafting professional, tone-specific responses
- GPT for Gmail – Best for fast, tone-aware email drafting inside Gmail
- Clean Email – Best for decluttering inboxes and managing bulk emails
- Mailmeteor AI Writer – Best for mass personalized email campaigns
- Google Gemini – Best for users already in the Google ecosystem
- Remail – Best for follow-up automation and thread management
- Gmelius – Best for collaborative teams working out of a shared inbox
Next, let’s break each one down in detail.
1. Lindy – Best for email automation beyond replies
Lindy is a no-code AI automation platform that integrates with Gmail. It acts as an email AI assistant to help users automate email-related workflows across business tools.
It supports 7,000+ integrations across 1,600+ apps, and connects with your CRM, calendar, and project management apps to write emails and complete related actions.
Lindy can help you automate your entire email workflow — from tagging and triaging to logging data in tools like Notion or Salesforce, and even scheduling meetings. Instead of just suggesting replies or generating drafts, Lindy acts more like an operational sidekick.
It’s ideal for teams or solo professionals who juggle a lot of operational work via email — like support managers, founders, or sales reps.
Features
- Drag-and-drop builder to create custom no-code assistants
- Automatically categorizes emails based on sender or content
- Creates and updates CRM entries from incoming messages
- Drafts replies using thread context, tone, and goals
- Schedules meetings and follows up automatically
Pros
- Covers the full email lifecycle
- Customizable for different workflows
- Built-in templates for common workflow automation like follow-ups, CRM updates, or meeting scheduling
Cons
- Needs a bit of time to set up complex workflows from scratch
Pricing
- Starts free, with 400 credits/month
- Pro plan: $49.99/month for 5,000 credits
- Business plan: $299.99/month for 30,000 credits
- Enterprise: Custom pricing
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2. Superhuman – Best for fast, keyboard-first inbox productivity
Superhuman is an email productivity tool designed for users who want to manage their Gmail inbox quickly using keyboard shortcuts and AI-powered features. It offers AI capabilities like instant replies and smart reminders, but its core strength is speed and interface.
It’s best suited for busy professionals, executives, and founders who live in their inbox and want to move faster, not necessarily automate backend workflows.
Features
- AI-suggested replies based on thread context
- Smart reminders and follow-up nudges
- Keyboard-first design for navigating and processing email fast
- Shared snippets and templates for teams
- Read status tracking and email scheduling
Pros
- Extremely fast and polished interface
- AI suggestions blend well into user workflows
- Ideal for inbox-zero users who prioritize speed
Cons
- Limited automation beyond the inbox
- Requires adapting to keyboard-centric UX
Pricing
- Starter: $30/user/month, billed monthly
- Business: $40/user/month, billed monthly
- Enterprise: Custom pricing
3. Mailmaestro – Best for composing professional, tone-specific responses
Mailmaestro is an AI email assistant for Gmail and Outlook built to help professionals write high-quality, context-aware messages quickly. It focuses on composing clear, well-structured responses that match your tone and audience, with support for multiple languages and formal business settings.
It’s best for executives, customer-facing teams, and consultants who often draft formal or nuanced emails and need to save time without compromising on clarity or tone.
For users looking for an AI email assistant Gmail plugin to improve writing rather than manage inbox ops, Mailmaestro hits a strong balance between usability and output quality.
Features
- AI-generated email drafts based on thread context
- Tone adjustment, like friendly, formal, or assertive
- Multi-language support
- Summarizes long threads into key points
- GPT-4o and Claude Opus models powering email generation
Pros
- High-quality drafts with professional tone control
- Works well in multilingual or cross-cultural settings
- Fast integration with Gmail and Outlook
Cons
- Focuses mainly on drafting and lacks workflow or automation tools
- The free plan has usage limits
Pricing
- Starts free, but has no valuable email capabilities
- Professional: $20/user/month, billed monthly
- Enterprise: Custom pricing
4. GPT for Gmail – Best for fast, tone-aware email drafting inside Gmail
GPT for Gmail is a lightweight AI assistant that brings GPT-4o and Gemini directly into your Gmail compose window. It’s designed for users who want quick, high-quality email drafts without setting up external tools or integrations.
Ideal for freelancers, marketers, and small business owners, this add-on helps you write emails faster by generating responses based on your prompts. You can select the tone (formal or casual), adjust the length, and regenerate drafts until you're satisfied
Installation is straightforward via the Google Workspace Marketplace, and it works on both desktop and mobile.
Features
- Generates email drafts with customizable tone and length
- Allows for rephrasing and regeneration of drafts
- Supports over 30 languages
- No separate OpenAI account or API key required
- Data remains on Google servers and emails are anonymized before processing
Pros
- High-quality output using GPT-4o
- Customizable tone and formatting
- Easy setup inside Gmail
Cons
- Limited to writing help — no tagging, routing, or integrations
- Limited to Gmail, doesn't integrate with other email clients
Pricing
- Free tier with core features
- Premium tier starts from $9/month
5. Clean Email – Best for decluttering inboxes and managing bulk emails
Clean Email is an AI email organizer built to help users manage clutter, unsubscribe from unwanted senders, and automate repetitive inbox cleanups. Unlike tools focused on writing or replying, this one handles email hygiene — filtering, labeling, and deleting emails in bulk.
It’s great for anyone with an overflowing Gmail inbox, especially remote workers, students, and solo business owners. If you don’t need reply automation but want a calmer, more organized inbox, this tool fits well.
If you’re not looking for a Gmail AI assistant to write emails but rather one to manage and organize them, Clean Email is built exactly for that.
Features
- Smart views to categorize emails by sender, age, or subject
- Auto-clean rules for archiving, deleting, or labeling emails
- Bulk unsubscribe and block features
- One-click filters for newsletters, notifications, or social updates
- Privacy-first policies –– no email reading or selling data
Pros
- Easy to declutter inboxes quickly
- Non-intrusive setup — works with existing email accounts
- Automation for recurring cleanup tasks
Cons
- Doesn’t help with drafting or sending emails
- Advanced features require a paid plan
Pricing
- For one account: $9.99/month
- For 5 accounts: $19.99/month
- For 10 accounts: $29.99/month
6. Mailmeteor AI Writer – Best for mail merge and campaign email writing
Mailmeteor AI Writer is a Gmail AI plugin focused on helping users send personalized, scalable email campaigns. It combines mail merge with AI-generated copywriting, making it especially useful for teams that send outreach, newsletters, or job application batches.
It’s best for marketers, recruiters, and founders running cold outreach or event follow-ups directly from Gmail and Google Sheets.
If you’re running email campaigns and need an AI email assistant Gmail users can plug into Sheets and launch quickly, Mailmeteor makes campaign execution smoother.
Features
- AI-assisted message generation for personalized campaigns
- Mail merge from Google Sheets with dynamic variables
- Open, click, and bounce tracking
- Unsubscribe link automation
- Templates for cold outreach, follow-ups, and announcements
Pros
- Easy for non-technical users to scale personalized emails
- Strong campaign analytics for Gmail
- Integrates natively with Google Workspace
Cons
- Focused on outbound campaigns — not for inbox management
- Limited AI customization outside templates
Pricing
- Free: 500 emails/month
- Starter: $4.99/month
- Premium: $12.99/month
- Pro: $24.99/month
7. Gemini – Best for users already in the Google ecosystem
Gemini helps users compose, summarize, and polish emails directly inside the Gmail interface without the need of any extensions. It’s available to Google Workspace users and integrates naturally with other tools like Google Docs and Calendar.
It’s best for everyday users, students, and small teams already using Google Workspace and looking for basic AI writing support without installing third-party tools. If you're looking for AI for Gmail that works out of the box and supports casual use, Gemini works.
Features
- “Help me write” prompt in Gmail’s compose window
- Smart Reply suggestions for quick responses
- Summarization of long threads
- Contextual writing support across Gmail and Docs
- Access to Gemini Pro for advanced drafting features
Pros
- Fuss-free experience for Gmail users
- No setup required — built into the UI
- Supports casual and formal tone options
Cons
- Limited customization
- Cannot automate tasks beyond emails
Pricing
- Free with Workspace plans
- Google AI Pro: $19.99/month
- Google AI Ultra: $249.99/month
8. Remail – Best for follow-up automation and thread management
Remail is a lightweight email AI assistant built to automate follow-ups and help users stay on top of conversations. It integrates directly with Gmail and suggests or schedules follow-ups if a thread goes cold with one-click actions inside the inbox.
It’s best for outreach-heavy roles like sales reps, founders, or recruiters who need a reliable way to make sure important emails don’t fall through the cracks.
For anyone dealing with outbound communication or high email volumes, Remail adds a simple layer of AI to ensure nothing gets left behind. It’s a solid Gmail AI assistant for follow-through.
Features
- Smart follow-up suggestions based on thread status
- AI-generated replies and follow-up drafts
- One-click scheduling for reminders
- Chrome extension to layer on Gmail
- Light context awareness from threads
Pros
- Great for keeping outreach loops closed
- Quick setup, no learning curve
- Non-intrusive — fits into existing inbox flow
Cons
- Doesn’t offer inbox cleanup or workflow automation
- Limited integrations or third-party actions
Pricing
- No free plan available
- Pro: $9/month, 6000 queries
- Unlimited: $19/month, unlimited queries
- Team: $99/month, unlimited queries
9. Gmelius – Best for team collaboration and shared inbox workflows
Gmelius is an AI email assistant tailored for teams that manage support, sales, or operations through shared inboxes. It layers collaboration tools on top of Gmail and adds AI to help with task management, follow-ups, and team-based email handling.
It’s best for support leads, ops teams, and client-facing roles that need visibility across inboxes and consistent communication at scale.
If you’re managing a team out of a shared inbox, Gmelius acts like an AI email assistant that Gmail teams can scale with. It helps teams draft emails faster, assign conversations, and track follow-ups — all within a shared inbox.
Features
- Shared inboxes with team-level visibility
- Smart email assignment and SLA tracking
- Email templates and AI-assisted drafting
- Workflow automation with triggers and rules
- Kanban-style boards inside Gmail
Pros
- Great for team-based workflows and task routing
- Replaces the need for a standalone helpdesk or CRM
- AI blends into structured operations
Cons
- May be overkill for solo users
- Takes time to set up full workflows
Pricing
- No free plan available
- Growth: $29/user/month, billed monthly
- Pro: $45/user/month, billed monthly
- Enterprise: Custom quote
Next, we put these tools side-by-side for a quick comparison.
Top Gmail AI assistants: at a glance
If you want a quick overview on how these tools compare based on who they’re best for, what they cost, and how easy they are to set up, we created a quick-glance table. Here's how the top Gmail AI tools stack up across core factors:
Each tool solves a different problem, from cleanup to writing to complete automation. Next up, how we reviewed them.
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How we reviewed the best Gmail AI assistants
With hundreds of AI tools claiming to help with email, figuring out the ones that deliver value needs thorough reviewing. We reviewed each tool hands-on using two Gmail accounts — one personal, one business.
The goal was to see how fast these tools get to value, how smart the writing is, and whether they support everyday workflows like triage, follow-ups, or calendar sync.
Each tool was evaluated against three criteria:
Criteria 1: Setup & integration
How quickly can you go from signup to value inside your inbox: Some tools like Gmail’s native AI and Mailmaestro were usable within minutes. Others, like Lindy and Gmelius, required a few extra steps but offered deeper customization and integrations.
Criteria 2: Email quality
Does the assistant match tone, understand context, and generate helpful drafts: Mailmaestro, GPT for Gmail, and Lindy stood out here. While others produced generic output, these tools gave context-aware responses that saved time.
Criteria 3: Workflow support
Can the tool organize, follow up, or go beyond just writing: This is where most tools drop off. Lindy and Gmelius were the only ones who actively helped move emails into the next stage — whether that’s tagging, logging, or assigning.
With the review criteria done, let’s define Gmail AI assistants and what you can expect from them.
What is a Gmail AI assistant?
A Gmail AI assistant is a tool or extension that integrates with your inbox to help you write, manage, and respond to emails faster. Most tools either focus on composing better replies, summarizing threads, organizing your inbox, or automating follow-ups.
Think of it like a lightweight assistant sitting inside Gmail that can help you draft messages, clean up clutter, or keep conversations moving without breaks and with utmost accuracy.
What you can expect from a good AI email assistant Gmail users rely on:
- Writing or rewriting emails based on prompts or tone
- Summarizing long threads so you don’t waste time reading
- Organizing incoming emails using smart filters or tags
- Reminding you to follow up when someone doesn’t reply
- Sometimes even logging or syncing data with CRMs or calendars
Some tools are built for speed and simplicity, while others offer workflow-level automation. The right fit depends on your inbox habits and how deeply you want to integrate with other apps.
Next, we explore what email tasks you can automate with these assistants.
Use cases: What can you automate with Gmail AI?
A good email AI assistant tool will help you write faster with less manual effort. Whether you’re in sales, support, or just buried in admin emails, here are a few tasks that Gmail AI assistants can take off your plate:
- Cold outreach: Tools like Mailmeteor and Mailmaestro help generate outreach emails and follow-ups at scale. You write a short prompt, and they build the message.
- Meeting follow-ups: Gmail’s native AI and GPT for Gmail can generate quick recaps or thank-yous after meetings. Lindy can even schedule the next step automatically.
- Support replies: Lindy and Gmelius can route incoming emails, summarize the issue, draft a reply, and log it in your helpdesk — all without switching tabs.
- Calendar + CRM updates: Lindy and Gmelius connect email with tools like Notion, Salesforce, or Google Calendar. Emails become data, not just conversations.
- Thread summarization: Mailmaestro, Gemini, and GPT for Gmail cut through long back-and-forths to give you the key takeaways.
Whether you want to manage outreach, reduce clutter, or build complex workflows, there’s a Gmail AI tool for it.
Now, let’s now see how Lindy compares against other Gmail AI tools.
Lindy vs Gmail AI tools
Most Gmail AI assistants focus on a part of the inbox –– writing better emails, decluttering, or sending reminders. Lindy doesn’t stop at writing –– it follows through on what happens after the email is sent or received.
Let’s say a new lead lands in your inbox. With Lindy, the email can be automatically tagged, logged into your CRM, and followed up on two days later if there’s no response — all without manual steps.
Here’s how it compares:
- Gmail’s native AI helps you draft messages inside the Google UI
- Mailmaestro and GPT for Gmail offer strong drafting and summarization
- Remail handles follow-ups but in a limited scope
- Lindy covers triage → CRM update → reply → follow-up → scheduling, across tools
This makes Lindy a stronger fit for business users managing operational workflows with email processing, and not just writing support or faster replies.
Frequently asked questions
What is the best AI assistant for Gmail?
That depends on your workflow. If you want help with writing, GPT for Gmail or Mailmaestro are strong picks. If you want inbox cleanup, go with Clean Email. If you need full-cycle workflow automation, tools like Lindy offer more depth.
Is Gemini better than ChatGPT for Gmail?
Gemini is easier to use since it's built into Gmail and doesn’t require extra setup. GPT for Gmail, on the other hand, gives you more flexibility and better draft control. It comes down to whether you want native integration or more customization.
Can I summarize emails with AI?
Yes. Tools like Mailmaestro, GPT for Gmail, Gemini, and Lindy can all summarize long threads into key takeaways. Some, like Lindy, can even use those summaries to decide the next actions, like follow-ups or tagging.
Are Gmail AI assistants secure?
Most reputable Gmail AI plugins follow privacy standards like GDPR and don’t store or sell your data. Always check if a tool offers SOC 2 compliance and whether emails are processed locally or on external servers.
What’s the difference between Smart Reply and AI assistants?
Smart Reply suggests short phrases like “Sounds good” or “Thanks!”. An AI email assistant goes beyond that — writing full replies, summarizing threads, or even taking action on the email like categorizing or triggering a calendar event,
Do I need a paid plan to use Gmail AI features?
Some tools like Gemini have basic features available for free, but more advanced capabilities like “Help me write” with context require a Gemini Pro subscription. Other tools offer free plans with limited usage.
Can I use multiple AI assistants at once?
Yes you can, though you might run into overlapping features. It’s common to pair tools like Clean Email for cleanup with GPT for Gmail or Mailmaestro for writing help.
Is there a Gmail plugin that writes emails for me?
Yes, GPT for Gmail, Mailmaestro, and Lindy all generate full email drafts based on context or prompts.
Which AI tool helps manage email overload?
For volume, Clean Email works the best. For action and follow-through, choose Lindy. Both serve different types of overload.
What’s the best AI Gmail assistant for business users?
Gmelius (for teams), Superhuman (for speed), and Lindy (for workflow automation) are strong business-focused options, depending on your priorities.
Try Lindy, your Gmail AI assistant and email automation tool
If you’re looking for an easy-to-use email AI assistant that provides automations around emails, meetings, and sales, go with Lindy.
Out of all the email AI assistants, here’s why Lindy stands out and provides the most value:
- Simple no-code interface: You won’t need coding, programming, or technical skills to create your automations with Lindy — it offers a drag-and-drop visual workflow builder.
- AI agents customized to your needs: You can make versatile AI agents that understand plain English and accelerate your productivity in many ways. For instance, create an assistant that bolsters your sales funnel by finding leads from websites and business intelligence sources like People Data Labs. Create another agent that sends out emails to each lead and schedules meetings with members of your sales team.
- Affordability: Build your first few automations with Lindy’s free version and get up to 400 tasks. With the Pro plan, you can automate up to 5,000 tasks, which offers much more value than Lindy’s competitors.
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