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Business

19 Best AI Email Marketing Tools to Check Out

From A/B testing to predictive analytics, these 19 AI email marketing tools do the heavy lifting for you.

Amanda Greenwood

May 2, 2025

For good reason, email marketing is a crucial component of any online business. It’s one of the most effective ways to reach your target audience, with an impressive average ROI of 4,200% (or $42 for every dollar spent) that’s only increasing with the rise of artificial intelligence (AI). But with so many businesses competing for attention in email inboxes, it’s no wonder that 42% of marketers say their biggest challenge with email marketing is getting people to engage with their campaigns. Enter AI marketing automation. By leveraging AI marketing tools, you can send hyper-personalized emails at scale to make every subscriber feel like you’re speaking directly to them. This article will review some of the best AI email marketing tools to help you get started.

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19 Best AI Email Marketing Tools To Check Out

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2. Twilio SendGrid: The Speedy Option For Email Marketing

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Twilio SendGrid is a cloud-based SMTP service with tools for email marketing and email delivery. This platform lets you automate and personalize your campaigns, create recurring emails, and skip time-consuming integrations. Using the email validation API, you can check if an email address is valid in real time.

With SendGrid, you get automation reports like requests, delivered, unique opens, unique clicks, and unsubscribes. You can use these reports to track and improve your automation over time.

3. Rasa.io: The Personalization Pro

Rasa.io is an AI-powered tool that helps you personalize and automate your newsletters to improve engagement and nurture customer relationships. Their AI system analyzes the articles your subscribers click on to understand their interests. Based on these past interactions, AI creates personalized newsletters that your subscribers will open and read.

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You can also choose articles you want to send to everyone, so you have complete control over your newsletters. Rasa.io also offers open-and-click data reports. You can use these valuable insights to understand your newsletters' performance and make data-driven decisions.

4. Phrasee: The AI Tool for Email Copywriting

Phrasee is an AI content platform that creates high-performing and on-brand marketing content you can use in your email campaigns. The tool uses real-time testing and optimization to generate engaging email marketing content that gets more clicks and brings more revenue.

You have to click Phrasee’s magic button and let AI do the rest:

Create catchy subject lines
Preheaders
Headlines
In-body copy
CTAs

Phrasee’s AI learns your brand’s unique voice and generates content that aligns with your tone and style. It also has an in-built approvals process, so you can always check if the content is on-brand.

5. Refine: The Free Subject Line Optimizer

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Refine is an AI tool developed by Moosend to optimize subject lines and improve open rate prospects. It uses machine learning, Big Data, and AI to process data and find hidden patterns and trends that can help you craft catchy subject lines.

This free optimization tool works by recommending how to enhance your subject lines. You just add your industry, number of subscribers, subject line idea, and voila! Refine calculates your open rate compared with the industry average and provides suggestions for improving it.

6. Instantly: The Cold Email AI Assistant

Instantly is an AI email outreach platform that helps you optimize and scale your email campaigns. This tool has unlimited email accounts for cold email outreach, allowing you to grow your campaigns and business.

Instantly’s Campaign Builder helps you get the most out of your deliverability and improve response rates. With just a few clicks, you can use sequences and intelligent scheduling to automate and personalize your emails.

7. ChatGPT: The Versatile Email Marketing Assistant

ChatGPT is an AI language model that generates human-like content on various topics, including email marketing. You can use ChatGPT prompts to create engaging email content, including:

Subject lines
Body text
CTAs

ChatGPT can also help you personalize your email content for different audience segments by analyzing customer data.

If you want to A/B test your email content, ChatGPT can identify the most effective content strategies for your audience. Another thing ChatGPT can do for you is to refine your email marketing strategies with personalized suggestions based on the latest trends in email marketing.

8. Drift: The Real-Time Email Assistant

Drift is a conversational marketing and sales platform that helps businesses connect with their customers and prospects in real time. Drift Email is an email management feature within the platform that lets you get more out of your email marketing campaigns. It automatically analyzes and categorizes email responses from leads and routes them to the right sales rep for follow-up, so you never miss essential marketing emails again.

This platform can also manage your email list by integrating with your marketing automation platform. From there, it invalidates bouncebacks, identifies outdated contacts, and processes unsubscribes.

9. Zeta Global: The Personalization Engine

Zeta Global is an email marketing platform that helps businesses increase subscriber engagement by creating personalized emails. With Zeta Email, you can make each email an individualized experience. This platform gives you fast insights into past purchase behavior, predictive intent, and channel preferences so you can create emails that matter to each subscriber.

Through its built-in AI system, Zeta gives you recommendations and content optimizations considering customer needs and interests. Zeta also automatically analyzes essential email metrics, including:

open rates
Clicks
Conversions
Registrations and more

To provide you with outcome-based analytics. Zeta's email deliverability services include email strategy, content analysis, and inbox placement assistance.

10. Optimove: The CRM for Personalized Email Marketing

Optimove is a customer relationship management marketing platform that helps businesses maximize customer engagement through personalized, data-driven campaigns. It uses AI to hyper-target customers without any additional integrations, through customer:

Databases and models
Activity tracking
Predictive analytics
AI recommendations

The CRM tool has a DynamicMail add-on that sends customers personalized messages, products, prices, and offers. With Optimove, you don’t have to worry about recommending products or sending reminders. The software does it automatically.

11. Seventh Sense: The Send-Time Optimization Tool

Seventh Sense is an AI-driven email marketing platform that increases email engagement by personalizing email delivery times. Seventh Sense analyzes recipient behavior to determine the best time to send emails so your subscribers are likelier to engage with them.

The platform also optimizes email delivery by sending customers the correct number of emails. This reduces the risk of overwhelming subscribers and improves overall engagement. With Seventh Sense, you have access to key audience engagement insights.

12. Narrato AI: The AI Content Suite for Email Marketing

Narrato is an AI content creation and marketing platform offering over 100 AI tools and templates. One of these powerful AI tools is the AI Email Writer. It can cater to your email writing needs, from creating captivating subject lines to drafting newsletter content, cold outreach emails, and even sales email sequences.

And just in case you don’t find an AI writing template for your specific email writing needs, you can create custom AI templates on the platform with your prompts.

13. EmailOctopus: The Budget-Friendly Email Marketing Tool

EmailOctopus is a budget-friendly option with top-notch features without a hefty price tag. It's the perfect tool for new business owners or those with limited resources, allowing them to capitalize on email marketing without breaking the bank.

14. Unspam.email: The Free Spam Testing Tool

Unspam.email is a free online tool that tests emails for spam and helps improve deliverability. It analyzes key elements of an email, provides a spam score, and predicts results using an AI heat map for your newsletter.

15. Brevo: The All-in-One Email Marketing Platform

Brevo, formerly known as Sendinblue, is a CRM platform that allows businesses to build and maintain customer relationships using email, chat, SMS, and more. It can help you create personalized, targeted email campaigns to engage your audience and drive sales.

16. HubSpot: The Powerful Email Marketing Tool

HubSpot’s email marketing tool, part of Marketing Hub, comes with several AI content generation features to simplify email marketing. Based on OpenAI’s ChatGPT model, the AI assistant helps with content ideation and creation so that it can be shared directly within HubSpot’s marketing emails. It can also help modify existing copy by summarizing, rewriting, or adjusting the tone to meet your needs.

17. Mailmodo: The AMP Email Marketing Tool With AI Features

Adding a fresh chapter to their story, Mailmodo, a brand known for its focus on boosting conversions through AMP emails, has branched into AI-driven email marketing. They’ve rolled out an innovative AI Subject Line Generator to simplify your email marketing game. This handy tool minimizes marketers' time crafting numerous subject lines by offering data-informed, AI-supported alternatives in just minutes.

18. Jasper: The Content Creation Powerhouse

Jasper AI shines at content creation for email marketing. It helps you maintain a consistent brand voice while using AI technology. It's highly recommended for those who want to quickly scale their content without sacrificing quality.

19. SendGrid: The Reliable Email Marketing Tool

SendGrid is a prime tool for reliable and fast email marketing delivery with real-time communication and prompt customer engagement. It's a platform for businesses that require high-volume, high-speed email deliveries.

What are The Advantages of Using AI In Email Marketing

AI tools for email marketing help you save time, and that’s a big deal. It adds up fast when trying to manage multiple campaigns, building out segments, personalizing content, and writing emails that people want to open.

AI steps in like a super-efficient assistant who never gets tired. It can help you generate subject lines, draft messages, schedule sends, and even optimize send times, all in less time than it would take a human. Take ChatGPT, for example. It can knock out email drafts, brainstorm ideas, and help your marketing team push more content out, without burning out. That means you don’t need a massive team to make a significant impact.

But AI doesn’t stop at writing emails.

Here’s where things get even cooler:

AI plugs into your data. It learns what your audience responds to, what they open, what they click, and what they ignore, and helps you make smarter decisions. You’re not just guessing anymore; you’re using real insights to personalize campaigns, tweak your strategy, and boost performance.

AI Email Marketing Tools Boost Relevance and Personalization

AI email marketing tools can analyze your audience data to help you make better decisions. You know what happens when your campaigns are more targeted and relevant?

Higher open rates
Better click-throughs
More revenue

It’s not just about saving time, it’s also about doing email marketing better. AI makes email marketing faster, more innovative, and more effective. Whether you’re a solo marketer or part of a big team, it helps you do more with less without compromising creativity or performance.