The 10 best AI-powered email assistants to boost your productivity in 2025

You probably notice your inbox gets busier every year. The number of emails sent worldwide keeps climbing. Take a look at this chart—daily emails are set to jump from 361 billion in 2024 to over 408 billion by 2027!

With so many emails flying around, you need the best ai email assistants to stay on top. Recent studies show businesses save up to 4 hours each week using ai assistant tools. Ai powered emails can sort your inbox, write responses, and help your team work smarter. You get more done and stop missing important emails. Ai email assistants make your daily routine easier and help you lead your business with confidence. If you want to boost productivity, ai-powered email solutions are your new secret weapon.

Key Takeaways

• AI email assistants help you save time. They write emails for you. They sort your inbox. They send follow-up emails by themselves. These tools help you stay organized. They stop you from missing important messages. They make it easy to handle lots of emails. Pick an AI assistant that matches how you work each day. Make sure it works with your favorite apps like Gmail or Outlook. Many AI assistants can write emails just for you. They can also set up meetings. They help your team work together. Using AI email assistants helps you get more done. Your emails will look better. You can focus on what is most important.

Best AI Email Assistants 2025

Ranked List

If you want the best ai email assistants, look for tools that save time. These tools also help you work smarter. We made a list of the top ai assistant choices for 2025:

1. Mails.ai
   You can use many email accounts. It helps your emails get delivered. The ai email writer helps with cold outreach. This is good if you want to send lots of emails and not get blocked.

2. Superhuman
   This ai assistant helps you write emails quickly. It keeps your inbox neat. You get templates and smart ideas for messages.

3. Gemini (Google Workspace)
   Gemini writes emails for you. It gives reply ideas and works with Google tools. If you use Gmail, this ai makes things easier.

4. Microsoft Copilot
   Copilot works in Outlook and Microsoft 365. It gives you summaries of email threads. It helps with tone and sets up meetings.

5. SaneBox
   SaneBox sorts your emails. It finds important messages and keeps your inbox tidy. It learns what you care about.

6. Missive
   Missive is great for teams. You can chat, give tasks, and handle emails together.

7. Flowrite
   Flowrite writes emails for you. You give it a prompt, and it makes a message.

8. Shortwave
   Shortwave helps you search emails. It sets up meetings and organizes your inbox with ai.

9. SmartWriter
   SmartWriter makes cold emails personal. It also sends follow-ups. This is good for sales and marketing.

10. Compose AI
    Compose AI helps you write and finish emails fast. There is a free plan too.

Tip: The best ai email assistants use ai to write, organize, and personalize your emails. They help you set meetings, sort messages, and keep your inbox easy to manage.

Quick Comparison Table

Each ai assistant has different features. Some help you write emails. Others help you sort your inbox or send follow-ups. Choose the one that works best for you and your budget.

AI Powered Emails for Productivity

Key Benefits

You want to finish more work in less time. Ai powered emails help you do this. These tools help you handle your inbox and write better emails. They also help you remember meetings. Many companies notice big changes after using ai email assistants. You can save almost half the time you used to spend on emails. This gives you more time for important things, like planning or talking with your team.

People say ai-powered email tools make their emails look better. You do not have to worry about grammar mistakes or missing things. The ai assistant checks your writing and helps you sound clear. It also helps you feel sure about what you say. If you get tired from reading and sorting emails, ai powered emails can help. They make it easier to focus on what is important and help you feel less tired.

Did you know? Some teams spend 30% more time on client strategy and work 25% less overtime after using ai-powered email assistants.

You also get help with hard emails. The ai assistant can help you find the right words for tricky topics. If English is not your first language, ai features give you extra help. You can send special emails without feeling worried. Many people say they feel more sure and less nervous about writing.

Common Features

Most ai powered emails have smart features. These tools use ai to make your day easier. Here are some of the most common ai features you will see:

• AI writing help for emails and documents

• Workflow automation for faster email work

• Team tools for sharing inboxes

• Personalized outreach and email templates

• Inbox management and filters to keep things neat

• Meeting scheduling and reminders

You will see that ai features like filters, automation, and personalization are very common. These tools help you do boring tasks, sort emails, and set up meetings. With ai powered emails, you can handle more emails and keep your inbox clean. You will not miss meetings. The newest ai assistants make email work easy and less stressful.

Reviews: Top AI Email Assistants

Mails.ai

If you want to send many emails, Mails.ai helps you do it. You can use lots of email accounts and send thousands every day. The AI Email Writer makes messages just for your cold outreach. Inbox rotation and dual warmup help your emails go to the inbox, not spam. You see opens, replies, and clicks with real-time analytics. You can check emails for free and keep your list clean. Automated follow-ups and spintax make your outreach smarter.

• Standout features:

  • Use many email accounts and send lots of emails

  • AI-powered email writing for cold outreach

  • Inbox rotation and dual warmup help deliverability

  • Free email verification

  • Real-time analytics and reports

  • Automated follow-ups and spintax

• Pros:

  • You can grow your outreach as much as you want

  • AI assistant makes emails better

  • Advanced tools help emails get delivered

  • Free plan for Gmail users

• Cons:

  • You need time to learn all the features

• Pricing:

  • Free plan for Gmail accounts

  • Startup: $24/month for 1,000 contacts

  • Growth: $49/month for 5,000 contacts

  • Pro: $99/month for unlimited contacts

If you run a sales team or agency, Mails.ai helps you reach more people and keeps your emails out of spam. You get more meetings and better results.

Superhuman

Superhuman makes your inbox quick and simple. Split Inbox helps you sort important emails. The AI assistant learns how you write and helps you reply. Instant Reply gives you ready messages to send. You can see when someone opens your email. Team Comments let you work with others in email threads. AI-powered search helps you find emails easily.

• Unique features:

  • Split Inbox sorts your emails

  • AI writing assistant helps with replies

  • Instant Reply and Read Statuses

  • Team Comments and shared snippets

  • AI search and reminders

• Pros:

  • Fast email work

  • Simple, clean interface

  • Keyboard shortcuts make things quicker

  • Works with Gmail and Outlook

• Cons:

  • Costs more than some other tools

  • Some CRM connections are limited

• Pricing:

  • $30/month

Superhuman is good for busy people who want to clear their inbox fast. Sales teams and leaders like how quick it is.

Gemini (Google Workspace)

Gemini brings AI to Gmail and Google apps. You can write emails, get smart replies, and see summaries. The AI helps you save time and do better work. You get these features with your Google Workspace plan. You do not need extra add-ons. Gemini keeps your data safe and private.

Gemini is part of Google Workspace Business and Enterprise plans. The Business plan is $20 per user each month. The Enterprise plan is $30 per user each month. Both plans have AI features for email, Docs, and Sheets. You get Meet AI summaries and better security in the Enterprise plan.

Gemini is great if you use Gmail and Google tools. You get AI features built in, so your team works smarter and saves time.

Microsoft Copilot

Microsoft Copilot helps you manage emails in Outlook and other Microsoft apps. The AI assistant writes emails, sorts messages, and gives quick ideas. You can use voice commands and change the AI to fit your work. Copilot works in Word, Excel, Teams, and more. You do not need to switch tools.

Copilot is best for companies using Microsoft 365. You get AI features for email and other apps, making your work faster and easier.

SaneBox

SaneBox helps you keep your inbox neat. The AI assistant moves less important emails to folders like SaneLater and SaneNews. You can focus on important emails and check bulk emails later. SaneBox works with any email provider. You do not need to install anything.

SaneBox is good if you get too many emails and want to focus on what matters. You spend less time sorting and more time working.

Missive

Missive is a tool for teams to handle email, chat, and tasks. You get shared inboxes and chat inside email threads. You can turn emails into tasks and track them. Missive has templates, tags, notifications, and calendar links. You can use it on desktop or mobile. It works with Google Drive, Dropbox, and CRM systems.

• Key features:

  • Shared inboxes and team chat

  • Task management and automation

  • Templates and tagging

  • Calendar and third-party connections

  • Security and user permissions

• Best use cases:

  • Digital marketing agencies

  • Customer support teams

  • Startups and remote teams

  • Consulting firms and nonprofits

• Pros:

  • Brings all communication together

  • Helps teams work better

  • Flexible pricing for any team size

• Cons:

  • New users may find the interface hard

  • Mobile app has some limits

Missive is great for teams that want to manage emails, chat, and tasks in one place.

Flowrite

Flowrite helps you write emails quickly. You give it a prompt, and the AI assistant makes a full message. You get smart suggestions and many templates for marketing, sales, and support. Flowrite works with Gmail, Outlook, and LinkedIn. You can choose the tone and style, so your emails sound right.

• Write emails up to five times faster

• Smart template gallery with over 20 templates

• Chrome extension helps with formatting and grammar

• Learns your writing style for better results

• Instant reply feature for quick answers

Flowrite is good for anyone who wants to save time and send clear emails. You avoid mistakes and share your message easily.

Shortwave

Shortwave uses AI to organize your inbox and help you write emails. You get smart compose, AI-powered summaries, and smart search. The interface is easy and works on desktop, iOS, and Android. You can mute notifications, share threads with your team, and add private comments.

Shortwave is best if you want a simple, AI-powered inbox for Gmail. You get fast search and easy organization.

SmartWriter

SmartWriter uses AI to research people and make personal emails. The AI assistant finds details from LinkedIn, company sites, and news. You get icebreakers and value messages for each contact. SmartWriter tells you the best time to send emails and checks your list. You can send bulk outreach with special emails for each person.

• Deep research for personal emails

• Automated icebreakers and value messages

• Bulk outreach with unique emails

• Email verification and lead enrichment

• SEO backlink outreach automation

• Social and LinkedIn data integration

SmartWriter is great for sales and marketing teams who want more meetings and better replies.

Compose AI

Compose AI is a writing helper for Gmail and Google Docs. The AI assistant helps you finish sentences and gives smart reply ideas. It learns your style over time. You get up to 1,500 words each month for free. Premium plans start at $9.99/month. Compose AI is easy to use and costs less, but it does not help with inbox management or team work.

Compose AI is best for anyone who wants a simple, low-cost AI assistant for writing and replying to emails.

AI Email Assistants: Feature Comparison

Deliverability

You want your emails to go to the inbox. You do not want them in spam. Deliverability helps with this problem. AI email assistants use smart filters and special tools. These tools help you manage your inbox and keep messages safe. Some platforms, like Mails.ai, use inbox rotation and dual warmup. They also use email verification to help deliverability. These features protect your sender reputation. They make sure your emails reach real people. Good email management tools help you avoid bounces. They keep your campaigns running well. AI features like filtering and real-time analytics help you find problems fast. You can fix issues before they hurt your results.

Automation

AI email assistants are great for automation. You can set up automation for emails. This handles boring tasks like drafting, sending, and following up. It saves you lots of time every day. Many tools have advanced automation features, such as:

• Personalized content creation

• Automated follow-ups from past interactions

• Smart inbox sorting and filtering

• Connections with your favorite platforms

With these AI features, you can reach more people each week. You never miss a lead. Some users save up to 90 minutes every day. AI handles email management and workflow tasks for you. Tools like Microsoft Copilot and N8N let you automate tasks in different apps. You can use natural language for this. You spend less time on admin work. You get more time for important things.

Personalization

Personalization helps you get better engagement. AI-powered email personalization uses data and behavior. This makes messages feel special for each person. When you send personalized emails, people pay attention. Studies show AI-driven email marketing boosts click-through rates by 13%. It can increase revenue by 41%. Dynamic content changes in real time. This makes every email matter.

AI assistants also help with lead research and message creation. Even small teams can send hundreds of personalized emails every day. You get more opens, more replies, and better results. With the right AI features, you can manage your inbox, automate your work, and connect with your audience in a personal way.

Choosing the Right AI Assistant

Workflow Fit

When you pick an ai assistant, start with your daily habits. You need a tool that matches how you work. Some people want help writing emails. Others want their inbox to be more organized. Some need help with scheduling tasks. Think about what makes your day slow. Do you spend lots of time sorting emails? Do you forget to set meeting reminders? An ai assistant can do these things for you.

Here are some things to think about:

1. Is it easy to use? You want an ai that is simple.

2. Does it have the features you need? Make sure it helps with your main tasks, like writing emails or keeping your inbox neat.

3. Can you change it to fit your style? The best ai learns what you like.

4. Does it make your emails sound like you? You want your emails to feel personal.

5. Does it help with meetings? If you have many meetings, pick an ai that can schedule and remind you.

Tip: Try a few ai assistants before you choose one. This helps you find the best fit for your work.

Integration

It is important that your ai assistant works with your favorite apps. Some tools connect with Gmail, Outlook, and Apple Mail. Others work with CRM, calendar, and task apps. If you work with a team, look for ai assistants that help you share inboxes and tasks. Missive works with all big email providers. It lets you give tasks and chat with your team. Microsoft Copilot works inside Outlook and Microsoft 365. You do not have to switch between apps.

Keeping your data safe is very important. Make sure your ai assistant follows privacy rules and protects your information.

Pricing

You want an ai assistant that does not cost too much. Prices are different for each tool. Some have free plans for people who do not use them a lot. Others ask you to pay every month or only when you use them. If you have a small business, look for simple plans that are easy to upgrade. Big companies may need special deals and extra security. Many ai assistants let you pay in different ways. This helps you as your needs change.

• Subscription plans are good if you use ai a lot.

• Pay-per-use is best if you only need ai sometimes.

• Hybrid plans let you start small and grow later.

Surveys show most people like having more than one way to pay. Pick an ai assistant that is clear about prices and gives you good value.

Why Choose Mails.ai

Deliverability First

You want your emails to go to the inbox, not spam. Mails.ai helps with smart tools for deliverability. The platform uses inbox rotation, dual warmup, and email verification. These features work together to help your sender reputation. They keep your campaigns running well. You get real-time analytics to see how your emails do. You can make changes fast if you need to. Here’s what makes Mails.ai special:

• Inbox rotation spreads emails across many accounts. This lowers the chance of getting marked as spam.

• Dual warmup builds trust with email providers. Your messages are more likely to be delivered.

• Email verification keeps your list clean and stops bounces.

• Automated follow-ups help you get more replies and sales.

• Over 2,000 B2B companies use Mails.ai for their outreach.
  Open rates can go up by 50%. Click rates can rise by 30%. Companies using Mails.ai answer faster and close more deals. You get a reliable ai assistant that helps your business grow.

Unlimited Scaling

You want to reach more people without limits. Mails.ai lets you send as many emails as you want. You can connect unlimited email accounts and run big campaigns. The platform uses unlimited email warmup. Each account builds a strong reputation. Inbox rotation keeps your sending safe and natural. Free email verification means your emails go to real people. You get advanced analytics to track every campaign.

• Unlimited email sending for any size business

• Automated warmup for every account

• Inbox rotation for safe, steady delivery

• Free built-in email verification

• Works with Gmail, Outlook, Zoho, and more
  It is easy to set up. You just turn on IMAP and SMTP, follow simple steps, and start sending. Mails.ai works with many providers and gives you guides to help you start.

AI Email Writer

Writing cold emails can take a long time. With Mails.ai’s ai-powered email writer, you make personal, professional messages in seconds. The ai assistant helps you build multi-step campaigns. You can add spintax for variety and personalize every email. You get real-time tracking for opens, clicks, and replies. The platform is easy to use, even if you are new to ai tools. You can connect with Gmail, Google Workspace, and CRMs for a smooth workflow.

You save time, get better deliverability, and grow your outreach with ai. Mails.ai makes email campaigns easy and effective.

You want to do more each day. AI email assistants help you with emails. They make writing messages easier and faster. These tools help keep your inbox neat. With ai, you finish work quicker and write better emails. Here is how ai makes you more productive:

Mails.ai is special because you get many email accounts. It uses ai to help you write emails and automate tasks. You can send lots of emails and avoid spam folders. You can also see how your emails are doing. The platform helps you manage your emails from start to finish. Want to try it? Get started for free today!

FAQ

How do AI email assistants help you save time?

AI email assistants write emails, sort your inbox, and send follow-ups for you. You spend less time on boring tasks. You get more time for work that matters.

Tip: Try using templates and automation to speed up your daily email routine!

Can you use AI email assistants with Gmail or Outlook?

Yes! Most AI email assistants work with Gmail, Outlook, and other popular email services. You just connect your account and start using the features.

Is it safe to trust AI with your emails?

You stay safe when you choose trusted platforms. AI email assistants use strong security and privacy rules. Your data stays private. Always check for encryption and compliance before you sign up.

Note: Pick tools with good reviews and clear privacy policies.

Do you need to know a lot about technology to use these tools?

No! You do not need to be a tech expert. Most AI email assistants have easy guides and simple steps. You can start quickly, even if you are new to email automation.

• Easy setup

• Helpful tutorials

• Friendly support