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HubSpot’s 2024 State of Marketing report shows that email marketing is one of the marketing channels that produced the highest return on investment (ROI) this past year, generating $36 for every $1 spent. The advent of AI, however, means that marketers need to adapt quickly, especially when it comes to creating personalized experiences for their customers. 

Many email marketing platforms are getting ahead of this by incorporating AI functionalities into their tools, in the form of AI email writers, campaign builders, and send time optimization tools, among others. Marketers who used the dynamic content personalization offered by AI email marketing tools reported a  52% increase in conversions, with some companies seeing as high as a 44% increase in email-driven sales. 

That’s why we’ve curated this list of top AI email marketing tools to help you create personalized customer experiences, streamline your workflows, and increase productivity. 

Skip ahead:


PlatformG2 RatingContent generationPersonalizationSend time optimizationFree trialFree plan Starting price (per month)
Constant Contact4.0/5$12

Why should you use AI in email marketing? 

Before we get into the email platforms, here are some ways using AI can improve the efficiency and effectiveness of your campaigns: 

  1. Automated content creation and optimization

Writing emails from scratch is hard work, especially if you send emails frequently, or send different ones based on different triggers. AI can ease this burden; using natural language processing (NLP), AI can generate email content–at least a working draft–including effective subject lines and body text that resonates with your target audience

It can also analyze the content of emails, including text, images, and videos, and recommend ways to improve them. For example, AI can suggest some changes to improve the tone, readability, and persuasiveness of the email, which not only saves you time but also helps you create more engaging emails.

  1. Subject line optimization 

According to Phrasee’s Email Subject Lines That Sell report, using AI to write subject lines can improve email open rates by 5-10%. This is because, in addition to using NLP to generate subject lines, AI algorithms can also analyze and predict how different subject lines will perform based on criteria such as open rates, click-through rates, and conversion rates. 

  1. Personalization

With email marketing, your recipients want to feel as though you’re talking directly to them. Instead of manually tweaking your emails, AI algorithms can analyze vast amounts of data on demographics, preferences, and individual user behavior, such as past purchases, email interactions, and browsing habits. This allows you to create highly personalized emails that are tailored to the interests and needs of each recipient. 

For example, AI can suggest products based on past purchases or browsing behavior, or even customize the layout of the email to better appeal to individual preferences. 

  1. Segmentation 

If you’re targeting different types of people with your product/service, it only makes sense to segment your email subscribers, so you’ll know what kinds of emails you’ll send to each category. 

AI improves audience segmentation by automatically categorizing users into distinct groups based on factors such as demographics, interests, engagement levels, or purchase history. It can even take a more nuanced and dynamic approach by segmenting based on real-time behaviors or subtle pattern recognition that might not be evident to human marketers. 

This allows you to send more precisely targeted and effective campaigns. 

  1. Optimized send times 

If your email list subscribers are spread out across the globe, then they do not all live in the same time zone. Instead of sending your emails blindly and hoping they open them, AI can examine historical open and engagement data to determine the best times to send emails to each recipient. This allows you to optimize send times to maximize the likelihood of engagement. 

  1. Predictive analytics 

While many email marketing platforms have analytics tools that show you how your email campaigns are performing, those with AI capabilities can use predictive models to forecast customer behaviors such as the likelihood of a purchase, potential upselling opportunities, or the risk of churn. 

You can use this information to proactively engage with customers through personalized emails tailored to influence their future actions positively. 

  1. Automated workflows 

AI-driven email marketing platforms can automate tasks like email scheduling, A/B testing, list management, and reporting. This saves time and streamlines your workflows, which allow you to focus on the more complex and creative aspects of email marketing. 

  1. Spam filter avoidance

Landing in the spam folder is one of the greatest fears that email marketers have. But AI can come to the rescue by ensuring that your email content is optimized to avoid spam filters. It can analyze email content to identify and modify elements that are likely to trigger spam filters, such as the phrasing of the subject line to the email’s HTML code, which increases the chances that your emails will be delivered to the recipient’s inbox. 

  1. Cost efficiency

By automating tasks and optimizing email campaign strategies, AI reduces the need for human intervention, thereby lowering labor costs. This means that even though your email marketing efforts are scaling, you don’t have to hire more people to get the return on investment (ROI) that AI can give you. 

13 AI Email Marketing Tools 

  1. Mailchimp 

G2 rating: 4.3/5

Intuit Mailchimp, renowned for its email marketing services, has created an AI assistant called Intuit Assist, which works across all Intuit platforms to “help you tackle the manual parts of marketing”, including producing personalized content at scale and turning data into actionable insights. 

Intuit Asisst can help generate the first draft of email content, provide personalized marketing suggestions on what to improve, and optimize strategies based on comprehensive customer data analysis. For example, this AI assistant can welcome new contacts, win back lost customers, and recover abandoned carts with AI-generated automations that you only need to review and publish. 

Intuit Assist allows you to using AI to create custom designs with your brand colors, fonts, logos, and images. It also predicts the best days and times for engagement, so your recipients receive your emails at optimal times. And as you execute your campaigns, Mailchimp’s AI assistant helps you test different versions of content with A/B testing to show you which one your audience resonates with the most.

Drawbacks of Intuit Assist 

  • Despite AI simplification, there’s still a learning curve associated with understanding how to best use Intuit Assist to its full potential. 
  • The effectiveness of Intuit Assist’s recommendations and content generation depends heavily on the quality and quantity of data fed into the system. Poor data can lead to less effective marketing outcomes. 
  • Some of the AI features, like Personalized Campaigns, are still in beta. This might involve bugs or limitations in functionality that could affect their reliabililty.


Mailchimp has a free forever plan. The paid plans range from $6.50/month to $175/month, for 12 months. 

  1. ActiveCampaign

G2 rating: 4.5/5

ActiveCampaign is a robust marketing automation platform that leverages artificial intelligence to improve marketing strategies and operational efficiency. 

For example, ActiveCampaign has an AI-powered automation builder, which allows you to create complex email and SMS campaigns using simple, plain-language prompts. All you need to do is visually map out the experience you want your customers to have by starting with a trigger (or desired action), adding your touchpoints, and scheduling when you want it to go into effect. 

ActiveCampaign’s integrated AI uses NLP and machine learning algorithms to generate content quickly–from subject lines to entire content blocks, helping you overcome writer’s block and save time. It also personalizes content based on your contact data, and if you want to run split tests, the tool allows you to experiment with variants across your campaigns to identify what resonates best with your customers. 

This platform’s AI also optimizes the timing of your emails based on when recipients are most likely to open them. And it analyzes customer engagement and interaction data to predict the likelihood of closing a deal, which can help sales teams improve forecasting accuracy and hit their quotas. 

Drawbacks of ActiveCampaign AI features 

  • While the AI streamlines many processes, setting up the initial parameters and understanding how to best use the AI features can be complex for new users. 
  • There’s a risk of becoming too reliant on automated processes, which might lead to potential disconnect with customers if not managed carefully.


ActiveCampaign offers a 14-day free trial. The paid plans range from $8/month to $145/month, billed annually. 

  1. Brevo (formerly Sendinblue)

G2 rating: 4.5/5 

Brevo integrated AI and machine learning capabilities into its email marketing and CRM suite in a bid to improve productivity, increase innovation, enhance user experiences, and boost team synergy.  

To achieve this, Brevo’s AI assists in generating engaging email content, including crafting compelling subject lines and body text. This helps you reduce the time you spend on content creation by providing initial drafts or suggestions that you can refine. 

If you use the conversations your customer support team has with customers to determine the kinds of campaigns you run–and you should–you’d appreciate Brevo’s AI, which can summarize entire conversations. In addition to giving you necessary context for creating relevant campaigns, it also helps in efficient handover between agents and ensures continuity in customer interactions. 

The platform also uses AI to analyze recipient behavior and optimizes the send times for emails to increase the chances of your subscribers opening and engaging with the content.

Drawback of Brevo’s AI 

Like any AI technology, the accuracy of content generation and conversation summarization depends on the underlying algorithms and the quality of the data you feed into the system. 


Brevo’s marketing platform has a free forever plan that allows you to send 300 emails per day. The paid plans range from $9/month to $18/month. If you’re an enterprise, you can reach out to Brevo’s team for custom pricing or you can customize a plan yourself. 

  1. AWeber 

G2 rating: 4.2/5

AWeber’s AI email writer is an integral part of its email marketing platform, designed to eliminate writer’s block and improve your creative process. It can generate content ideas and suggest topics or draft content based on simple prompts. This can range from email subject lines to body content, which makes it easier for you to start and gain momentum in your campaigns. 

For example, you could tell AWeber’s AI email writer to give you three ideas to write about in your newsletter about how to scale a dropshipping business. You can then define your target audience and pick a topic, and AWeber will generate a working draft for you in seconds.   

The AI tool also has a built-in editor that corrects spelling and grammatical errors, and refines the tone of your email to reflect your brand and style. It can also personalize your messages by addressing recipients by name and tailoring them based on user behavior and preferences. 

Drawbacks of AWeber’s AI email writer 

  • Like most AI tools, the effectiveness of AWeber’s AI email writer largely depends on the quality of the input provided. 
  • While it can generate content and ideas, this AI tool may not always match the unique creative insights a human writer could offer, which can potentially lead to less impactful content if you rely on it too heavily. 
  • There’s always a risk of inaccuracies, commonly known as AI hallucinations, where the tool might generate incorrect or misleading information. 


AWeber has a free forever plan. The paid plans range from $12.50/month (from 0-500 subscribers) to $875/month (for 100k – 150k subscribers), billed annually (with 4 months free). There’s an unlimited plan that costs $899/month, billed monthly. 

  1. HubSpot

G2 rating: 4.4/5

HubSpot’s AI email writer is a powerful tool designed to enhance the efficiency and effectiveness of your email marketing campaigns. 

This tool allows you to quickly generate and customize email content, including persuasive sales outreach and engaging marketing emails. You can generate hundreds of emails in minutes and design them by customizing an email marketing template of your choice.

The tool helps you develop on-brand messaging for each of your audience segments, and allows you to use commands to tweak the content according to your needs, such as adjusting the tone, length, or style of the emails. 

If you use HubSpot’s CRM database, the platform will automatically record campaign data for you once you launch your campaign, so you can track open rates, conversion rates, and other metrics. 

Drawback of HubSpot AI email writer 

This tool is fully integrated within the HubSpot platform, so the best way to get the most out of it is to use other HubSpot tools, some of which are free, while others are paid. 


HubSpot’s AI email writer is free, but some other tools it integrates with are paid. HubSpot’s paid tools range from $90/month to $3,600/month (billed annually) depending on the tool you choose.

  1. Jacquard (formerly Phrasee)

G2 rating: 4.4/5

Jacquard, formerly known as Phrasee, is an AI-powered custom enterprise messaging platform that leverages machine learning and natural language generation (NLG) technologies to optimize marketing communications across all touchpoints, including email, push notifications, and social media. 

With Jacquard, you can create personalized messaging experiences at scale. The tool, which has 50+ configurable style guide settings inspired by the topmost brands, can tap into your customer profile data and product catalog, and pre-generate thousands of message variants that are all tailored to your brand and user preferences. 

Unlike other large language models (LLMs), Jacquard’s proprietary performance engine has been trained on years of empirical data from thousands of campaigns across several industries. So the content it produces is more advanced than what a regular LLM would produce and is more likely to resonate with different segments of your audience. This allows you to fine-tune your messaging to increase engagement rates across diverse customer groups. 

Drawbacks of Jacquard

  • Although you can use Jacquard to generate email content, it is not an email marketing tool. This means you can’t use it to set up or execute drip email campaigns or automate your email marketing. 
  • Since Phrasee is a custom enterprise messaging tool, it is far more expensive than other tools on this list. Small- and medium-sized businesses will likely find this tool to be out of their budget. 


Jacquard doesn’t have a free plan or trial. The core platform starts at $95K per year, while the Personalized Campaigns plan starts at $190K a year. The Audience Optimisation plan is priced based on audience. 


G2 rating: 4.0/5 is an AI-powered tool designed to help B2B sales teams improve their cold email outreach by generating thousands of personalized emails within minutes. According to the tool, it is “40x faster and 6x cheaper than humans”.

This tool’s personalization capabilities are extensive. It can personalize emails based on several factors, including social activity, professional recommendations, achievements, job description, what the company does, recent news/article mentions, company case studies, Google/Facebook reviews, and more. It combs through the internet to find your recipient’s online data and then creates personalized messages with proven conversion systems that convinces them to take action. automates the creation of email subject lines, body content, and even follow-up messages, making the outreach process more efficient and potentially increasing your conversion rates. 

Drawbacks of 

  • Like Jacquard, is only an email generation tool that can help you find prospects. It’s not a dedicated email marketing tool, but it can aid the cold email outreach process. 
  • There’s a risk that overly personalized emails can come across as intrusive unless the process is carefully managed.

Pricing offers a 7-day free trial. The paid plans range from $49/month to $299/month, billed annually (saving 20%). 

  1. Omnisend 

G2 rating: 4.6/5

Omnisend is a marketing automation platform that leverages AI to improve email marketing efforts through its AI subject line generator and AI text assistant. 

Omnisend’s AI-powered subject line generator can create up to five compelling email subject lines. All you need to do is input at least give keywords and a 30 to 50-character description of your intended email, and the tool will whip up some personalized, high-converting subject line suggestions. You can also specify to include emojis in the subject lines or to use a specific tone of voice (like being funny or witty).

The AI text assistant, on the other hand, streamlines the email creation process by providing writing support. By analyzing successful email campaigns, the text assistant learns what kinds of messaging resonates with audiences. This allows it to generate personalized email drafts, suggest effective calls-to-action (CTAs), key terms, and emotional triggers for your emails. 

It also corrects spelling and grammar errors, and offers stylistic suggestions to increase the quality and impact of your emails.

Drawback of Omnisend

There’s a risk of becoming overly reliant on automated tools, which might reduce the opportunity for creative and unique content generation that only human insight can provide. 


Omnisend offers a free forever plan. The paid plans range from $16/month (for 0-500 subscribers) to $1,914/month (for 145,001-150,000 subscribers). There’s custom pricing for businesses with over 150,000 subscribers.  

  1. MailerLite

G2 rating: 4.7/5

MailerLite is an email automation platform that incorporates AI-driven tools such as its AI email generator and AI writing assistant to streamline and enhance the email creation process. 

MailerLite’s AI email generator simplifies email creation by assisting with the writing of emails, including subject lines. You only need to provide a brief description of the desired content and the tool will create personalized and professional email drafts that is fortified with your brand voice and style, and designed to engage your subscribers. 

Integrated into the MailerLite drag-and-drop editor, the AI writing assistant helps create text for email campaigns based on user prompts. You can specific the tone (e.g. natural, catchy, professional, persuasive, etc.) and the type of content you need (e.g. title, short paragraph, detailed text, call-to-action, etc.). If the initial output isn’t to your liking, you can regenerate the content till you get the desired message.   

Drawback of MailerLite’s AI capabilities 

While these tools can generate content quickly, it may sometimes produce generic or repetitive text that lacks the unique flair or specific nuances that brand-specific, handcrafted content might convey. 


MailerLite offers a 30-day free trial. It also offers a free plan for up to 1,000 subscribers. The paid plans range from $9/month (for 0-500 subscribers) to $1,710/month (for up to 500K subscribers). There’s a custom plan for enterprises. 

  1. Constant Contact 

G2 rating: 4.0/5

Constant Contact, a digital and email marketing platform, has leveraged AI and machine learning to improve its digital marketing tools, particularly focusing on simplifying campaign creation and content generation for small businesses. 

For example, it has an AI campaign builder that streamlines the process of creating a multi-channel campaign. All you need to do is specify your target audience, campaign tone, and distribution channels (email, social media, SMS), and briefly describe your campaign. It then sets it up for you and suggests the most effective tactics and timing for communications. 

Constant Contact has an AI content generator that aids in drafting messaging across various platforms. It generates content based on your input about the desired message, which you can then customize to fit your needs. This helps you overcome writer’s block and save time on content creation. 

There’s also the BrandKit, which you can use by plugging in your website’s URL. The AI system then pulls your logo, brand colors, and imagery from your website and converts them into a library of customizable branded assets. You can use these assets when you want to create marketing messages. 

If you’re using email, Constant Contact has an AI-powered spam detection that automatically filters out suspicious content, giving you a 97% email deliverability rate. 

Drawback of Constant Contact’s AI capabilities 

Unlike Jacquard, which produces hyperpersonalized content, Constant Contact’s AI-generated content will likely need some editing to ensure that it aligns with your brand and meets quality standards. 


Constant Contact offers a 14-day free trial. The paid plans range from $12/month (for 0-500 subscribers) to $575/month (for up to 50,000 subscribers). If you have over 50,000 subscribers, you’ll need to contact the team for custom pricing. 

  1. Moosend

G2 rating: 4.6/5

Moosend is an email automation platform incorporating AI features to improve email marketing and eCommerce operations. For instance, Moosend has a built-in AI writer, powered by Microsoft, that builds a story using your customers’ interests and preferences. This generative AI tool will fine-tune existing data, including your prompts and ideas, and create a narrative (including optimized subject lines) that resonates with your email subscribers and spurs them to action. 

This AI writer isn’t limited to just emails; it can also generate compelling content for landing pages and persuasive CTAs for subscription forms. Moosend’s AI writer promises to eliminate writer’s block, get your creative juices flowing, and hasten the brainstorming process. It polishes the final product by making copy checks, like correcting spelling and grammar errors, and simplifying complex sentences.

Moosend offers AI-driven tools for eCommerce, such as product recommendation engines, which suggest products to customers based on their browsing and purchasing history, and campaign inspiration tools, which can help you create effective marketing campaigns. Their AI also aids in recovering sales from abandoned carts by triggering targeted emails to re-engage customers who have left items in their carts. 

Drawbacks of Moosend 

  • Although Moosend has many great features, its A/B testing tool is basic because it only allows you to compare subject line variations, as opposed to design and body variations (and you can only compare two variants at once, instead of 3+). 
  • Moosend also has fewer third-party integrations than some other email marketing tools. 


Moosend offers a free 30-day trial. The Pro plan ranges from $5.74/month (for 0-500 subscribers) to $3,831.04/month (for up to 1,000,000 subscribers). Both the Moosend+ and Enterprise plans have custom pricing.  

  1. Klaviyo

G2 rating: 4.6/5

Klaviyo is a marketing automation tool that helps you create personalized customer experiences across several touchpoints including email, SMS, mobile push, and more. This platform offers a range of AI tools to streamline operations and increase marketing ROI. 

Its predictive analytics tool allows you to get smarter insights about your business, including the next order date, customer lifetime value, spending potential, predicted demographics, and churn risks. It even creates personalized product feeds so you know the exact products each customer will like–and likely buy. This helps you to tailor your marketing efforts more precisely to individual customer needs. 

Klaviyo AI also handles audience segmentation for you by dynamically grouping customers based on behaviors and preferences. This allows you to target your marketing campaigns effectively. This platform assists in generating effective email subject lines and body content that resonates with your audience, and builds optimized SMS messages, which ensure that your communications with your audience segments are timely and relevant. 

Klaviyo AI also analyzes customer data to determine the optimal times to send emails, which can improve open rates and overall campaign performance. 

Drawbacks of Klaviyo AI 

  • The wide array of features and the depth of customization possible with Klaviyo can be overwhelming for new users or small businesses without dedicated marketing teams. 
  • While it provides significant value, Klaviyo’s pricing is higher compared to other email marketing solutions like Mailchimp, MailerLite, and Moosend. This is a barrier for smaller companies or startups.


Klaviyo offers a free plan that allows you to send 500 emails monthly (for up to 250 subscribers). The paid plans range from $20/month (for 251-500 subscribers) to $2,315/month (for up to 250,000 subscribers). If you have over 250,000 subscribers, you’ll need to reach out to Klaviyo’s team for custom pricing.

13. Thinkific

G2 rating: 4.5/5

Hey, that’s us! Thinkific helps you create and sell online learning products. Think digital downloads, courses, communities, and memberships. Our email marketing tool helps you convert leads into customers with automation and AI-supported design and copy.

AI helps you with email templates, email setup, email design, and personalized email copy. The platform also comes with pre-built (but customizable) email sequences to help nurture, upsell, and convert your audience.

Drawbacks of Thinkific

  • This is not purely an email marketing platform. It’s missing the more nuanced features like list-building, and works primarily with the leads you generate in Thinkific.
  • This choice will be best for people that want to use Thinkific to sell learning products like digital downloads – the real benefits from these AI email marketing features are best realized when people sell all in the platform.


Email marketing is available in any paid plan. The basic plan starts at $36/month with a 14-day trial period. Check out the pricing page here.

Save time and boost productivity with AI email marketing tools 

As we’ve seen, many email marketing tools out there have started leveraging AI to create systems that can generate subject lines, email content drafts, and even multi-channel campaigns to help you save time, streamline your workflows, and boost productivity. 

To choose the best AI email marketing tool, you’ll need to consider your needs, your budget, and the features of the tool. 

If you’re a small- to medium-sized business, a free AI email writer like HubSpot’s can help generate on-brand and personalized email content for your audience segments. If you’re focusing on sales outreach rather than inbound email marketing, can help you find leads and send them ultra-personalized emails to spur them to action. 

If you have a ton of subscribers and you need scalable email marketing tools with reasonable prices, Mailchimp, MailerLite, AWeber, and Brevo are good choices. But if you’re a large enterprise that wants an AI-driven platform that creates and optimizes brand messaging, Klaviyo and Jacquard are good bets. 

However, if you’re a learning products creator- Thinkific will be your best bet. Our platform is tailor-made to support learning specific products, email marketing included.