Discover the best email marketing AI tools to boost campaigns, improve deliverability, and save time. Compare features, pricing, and automation capabilities.
Discover the best email marketing AI tools to boost campaigns, improve deliverability, and save time. Compare features, pricing, and automation capabilities.
Nearly 63% of marketers now use AI tools in their email marketing efforts, and the tools driving those results look nothing like the platforms of five years ago. Today's email marketing AI tool landscape spans intelligent content generators, predictive send-time optimizers, behavior-based segmentation engines, and autonomous campaign builders. The right choice depends on your business model, contact volume, and how much of the work you want the AI to handle.
This guide covers the top picks for 2024, what each tool does well, and who should use it.
Key Takeaways
Businesses using AI in email campaigns report an average ROI increase of 21%.
81% of marketers say AI has improved their email marketing performance, according to HubSpot's State of Marketing 2024.
Automated emails drove 37% of all email-generated sales in 2024, despite making up only 2% of total sends.
Using AI for subject line optimization can boost open rates by up to 10%.
Brands using AI-driven personalization report up to 42% higher revenue, with click-through rates exceeding 13%.
Why AI Has Become Central to Email Marketing
Email has always been the highest-ROI digital channel. It delivers an average return of $36 for every dollar spent. But the gap between average campaigns and great ones has widened as AI adoption accelerates.
As of early 2024, email was the channel that relied the most on marketing automation, with 58% of surveyed professionals choosing it over both content and social media management.
The main driver is efficiency at scale. AI can save marketers up to 30% of their time by automating email design, content creation, and scheduling. More importantly, nearly 72% of consumers prefer personalized emails with AI-driven recommendations over generic ones.
The practical result: teams that adopt a capable email marketing AI tool are not just saving hours, they are sending better emails to better-defined audiences at better times. That combination is what moves metrics.
Nearly 63% of marketers now use AI tools in their email marketing efforts, and the tools driving those results look nothing like the platforms of five years ago. Today's email marketing AI tool landscape spans intelligent content generators, predictive send-time optimizers, behavior-based segmentation engines, and autonomous campaign builders. The right choice depends on your business model, contact volume, and how much of the work you want the AI to handle.
This guide covers the top picks for 2024, what each tool does well, and who should use it.
Key Takeaways
Businesses using AI in email campaigns report an average ROI increase of 21%.
81% of marketers say AI has improved their email marketing performance, according to HubSpot's State of Marketing 2024.
Automated emails drove 37% of all email-generated sales in 2024, despite making up only 2% of total sends.
Using AI for subject line optimization can boost open rates by up to 10%.
Brands using AI-driven personalization report up to 42% higher revenue, with click-through rates exceeding 13%.
Why AI Has Become Central to Email Marketing
Email has always been the highest-ROI digital channel. It delivers an average return of $36 for every dollar spent. But the gap between average campaigns and great ones has widened as AI adoption accelerates.
As of early 2024, email was the channel that relied the most on marketing automation, with 58% of surveyed professionals choosing it over both content and social media management.
The main driver is efficiency at scale. AI can save marketers up to 30% of their time by automating email design, content creation, and scheduling. More importantly, nearly 72% of consumers prefer personalized emails with AI-driven recommendations over generic ones.
The practical result: teams that adopt a capable email marketing AI tool are not just saving hours, they are sending better emails to better-defined audiences at better times. That combination is what moves metrics.
Before picking a platform, define what you need the AI to do. The category covers a wide range of capabilities:
Content generation: Subject lines, body copy, and layout creation from a brief
Predictive send time: Per-subscriber timing based on engagement history
Behavioral segmentation: Audience building driven by purchase or click data
Product recommendations: Dynamic content pulled from your catalog
Automation builder: Multi-step flows constructed from a plain-language goal
Analytics and attribution: Revenue connected back to specific campaigns
Some tools mainly help you draft content, while others can also help build automated email paths and group contacts for you. Knowing which capability matters most to your business narrows the field quickly.
Top Email Marketing AI Tools for 2024
1. Klaviyo: Best for Ecommerce Brands
Klaviyo is the leading email marketing AI tool for direct-to-consumer brands, particularly those running on Shopify or WooCommerce. K:AI, which stands for Klaviyo AI, works as your marketing teammate. Built into every part of the email creation process, Klaviyo AI uses your customer data to write compelling copy, recommend the right products, and determine when each recipient is most likely to open your emails. Because Klaviyo AI uses your data, your emails feel personal and arrive at the perfect moment.
Key AI features include:
Segments AI generates complex segments in seconds based on simple audience prompts. Email AI creates high-performing email content by inputting campaign goals and creating an on-brand email in seconds.
Predictive analytics that forecast next order date, lifetime value, spending potential, predicted demographics, and more to deliver relevant experiences that convert.
Dynamic product recommendation blocks that automatically populate with products most relevant to each subscriber based on their past behavior, browsing history, and purchase patterns.
Klaviyo crossed $1 billion in revenue in 2024 with 167,000 customers and 34% year-on-year growth, with automated workflows generating 30x more revenue per recipient than standard campaigns.
Pricing: Free plan available. Paid tiers scale by active profiles, with unlimited email sends on every tier. Paid plans scale based on the number of contacts and channel usage.
Best for: Ecommerce brands that want predictive analytics, behavior-based flows, and deep product personalization.
How to Evaluate an Email Marketing AI Tool
Before picking a platform, define what you need the AI to do. The category covers a wide range of capabilities:
Content generation: Subject lines, body copy, and layout creation from a brief
Predictive send time: Per-subscriber timing based on engagement history
Behavioral segmentation: Audience building driven by purchase or click data
Product recommendations: Dynamic content pulled from your catalog
Automation builder: Multi-step flows constructed from a plain-language goal
Analytics and attribution: Revenue connected back to specific campaigns
Some tools mainly help you draft content, while others can also help build automated email paths and group contacts for you. Knowing which capability matters most to your business narrows the field quickly.
Top Email Marketing AI Tools for 2024
1. Klaviyo: Best for Ecommerce Brands
Klaviyo is the leading email marketing AI tool for direct-to-consumer brands, particularly those running on Shopify or WooCommerce. K:AI, which stands for Klaviyo AI, works as your marketing teammate. Built into every part of the email creation process, Klaviyo AI uses your customer data to write compelling copy, recommend the right products, and determine when each recipient is most likely to open your emails. Because Klaviyo AI uses your data, your emails feel personal and arrive at the perfect moment.
Key AI features include:
Segments AI generates complex segments in seconds based on simple audience prompts. Email AI creates high-performing email content by inputting campaign goals and creating an on-brand email in seconds.
Predictive analytics that forecast next order date, lifetime value, spending potential, predicted demographics, and more to deliver relevant experiences that convert.
Dynamic product recommendation blocks that automatically populate with products most relevant to each subscriber based on their past behavior, browsing history, and purchase patterns.
Klaviyo crossed $1 billion in revenue in 2024 with 167,000 customers and 34% year-on-year growth, with automated workflows generating 30x more revenue per recipient than standard campaigns.
Pricing: Free plan available. Paid tiers scale by active profiles, with unlimited email sends on every tier. Paid plans scale based on the number of contacts and channel usage.
Best for: Ecommerce brands that want predictive analytics, behavior-based flows, and deep product personalization.
Watch out for: Klaviyo's ecommerce specialization is also its limitation. Companies needing sophisticated B2B lead scoring, complex approval workflows, or deep social integration may find purpose-built enterprise platforms more suitable.
2. ActiveCampaign: Best for Automation-Heavy B2B and SaaS Teams
ActiveCampaign positions itself as a true AI-native automation platform. ActiveCampaign's AI-powered marketing software boosts campaign performance by automating key tasks like content creation, audience segmentation, and send-time optimization. The platform's AI agents analyze billions of data points to recommend the best strategies, personalize messages for each contact, and ensure emails land at the optimal time for engagement. This eliminates manual guesswork, allowing marketers to focus on strategy while AI continuously learns and adapts campaigns for better results.
ActiveCampaign's automation goes beyond basic trigger-and-send logic. The AI-Suggested Actions feature recommends complete multi-step marketing sequences based on billions of anonymized data points, so instead of building a nurture workflow from scratch, you get a structured campaign with messaging, timing, and branching paths already mapped out.
Pricing: ActiveCampaign starts at $15 per month for 1,000 contacts on the Starter plan, which includes basic automation and email marketing features. The Pro plan at $79 per month includes advanced segmentation and predictive content. Enterprise plans start at $145 per month with dedicated account management.
Best for: B2B and SaaS companies needing sophisticated automation without enterprise budgets, particularly the Professional tier, which includes A/B testing and predictive sending capabilities.
For SaaS-specific email strategies, see our SaaS email marketing strategy guide.
3. HubSpot (Breeze AI): Best for Teams That Need CRM and Email in One Place
Announced at INBOUND 2024, Breeze AI introduces a substantial new automation offering that combines AI-powered capabilities into all key marketing, sales, and customer service processes, allowing for higher efficiency and informed decision-making.
In 2024, HubSpot rebranded and expanded its AI capabilities under Breeze AI, a unified platform that brings together all AI-powered features across the HubSpot ecosystem. Breeze AI includes Breeze Copilot, an AI assistant available throughout HubSpot that helps you write content, research contacts, summarize records, and get instant answers about your data; and Breeze Agents, specialized AI agents for content creation, social media, prospecting, and customer service that work autonomously on your behalf.
HubSpot's Breeze AI automatically tracks email revenue attribution, connecting every email interaction to closed deals and calculating true campaign ROI. HubSpot also powers send-time optimization, automatically determining the optimal delivery time for each subscriber. Its content intelligence analytics reveal which subject lines, CTAs, and content variations drive the highest engagement.
Best for: Growing teams that want email, CRM, sales, and service intelligence in a single platform without stitching together separate tools.
Watch out for: Most Breeze Agents require a Professional or Enterprise subscription. Even on those plans, Agents consume credits that cost extra beyond a small monthly allowance.
4. Mailchimp: Best for Small Businesses Starting with AI
Watch out for: Klaviyo's ecommerce specialization is also its limitation. Companies needing sophisticated B2B lead scoring, complex approval workflows, or deep social integration may find purpose-built enterprise platforms more suitable.
2. ActiveCampaign: Best for Automation-Heavy B2B and SaaS Teams
ActiveCampaign positions itself as a true AI-native automation platform. ActiveCampaign's AI-powered marketing software boosts campaign performance by automating key tasks like content creation, audience segmentation, and send-time optimization. The platform's AI agents analyze billions of data points to recommend the best strategies, personalize messages for each contact, and ensure emails land at the optimal time for engagement. This eliminates manual guesswork, allowing marketers to focus on strategy while AI continuously learns and adapts campaigns for better results.
ActiveCampaign's automation goes beyond basic trigger-and-send logic. The AI-Suggested Actions feature recommends complete multi-step marketing sequences based on billions of anonymized data points, so instead of building a nurture workflow from scratch, you get a structured campaign with messaging, timing, and branching paths already mapped out.
Pricing: ActiveCampaign starts at $15 per month for 1,000 contacts on the Starter plan, which includes basic automation and email marketing features. The Pro plan at $79 per month includes advanced segmentation and predictive content. Enterprise plans start at $145 per month with dedicated account management.
Best for: B2B and SaaS companies needing sophisticated automation without enterprise budgets, particularly the Professional tier, which includes A/B testing and predictive sending capabilities.
For SaaS-specific email strategies, see our SaaS email marketing strategy guide.
3. HubSpot (Breeze AI): Best for Teams That Need CRM and Email in One Place
Announced at INBOUND 2024, Breeze AI introduces a substantial new automation offering that combines AI-powered capabilities into all key marketing, sales, and customer service processes, allowing for higher efficiency and informed decision-making.
In 2024, HubSpot rebranded and expanded its AI capabilities under Breeze AI, a unified platform that brings together all AI-powered features across the HubSpot ecosystem. Breeze AI includes Breeze Copilot, an AI assistant available throughout HubSpot that helps you write content, research contacts, summarize records, and get instant answers about your data; and Breeze Agents, specialized AI agents for content creation, social media, prospecting, and customer service that work autonomously on your behalf.
HubSpot's Breeze AI automatically tracks email revenue attribution, connecting every email interaction to closed deals and calculating true campaign ROI. HubSpot also powers send-time optimization, automatically determining the optimal delivery time for each subscriber. Its content intelligence analytics reveal which subject lines, CTAs, and content variations drive the highest engagement.
Best for: Growing teams that want email, CRM, sales, and service intelligence in a single platform without stitching together separate tools.
Watch out for: Most Breeze Agents require a Professional or Enterprise subscription. Even on those plans, Agents consume credits that cost extra beyond a small monthly allowance.
4. Mailchimp: Best for Small Businesses Starting with AI
Mailchimp remains one of the most accessible entry points into AI-assisted email marketing. AI-powered tools in Mailchimp help marketers optimize email performance by predicting the best send times, subject lines, and segmenting audiences based on behavior and preferences. Mailchimp stands out for its comprehensive approach to email marketing, offering features that cater to both beginners and advanced users.
Standard and Premium users saw 2x more revenue (266%) on average for their connected ecommerce stores using predictive segmented emails versus non-predictive segmented emails for the January 2023 to December 2024 period.
Pricing: The Essentials plan starts at $13 per month for 500 subscribers, with 24/7 support. The Standard plan starts at $20 per month, offering dynamic content, send time optimization, and predictive segmentation. The Premium plan starts at $350 per month for large-scale operations.
Best for: Small businesses or early-stage teams that want a familiar interface with AI content and segmentation features built in.
Watch out for: Mailchimp's 82 to 85% inbox placement rate lags competitors achieving 89 to 95% deliverability. Independent testing through 2024 to 2025 showed declining deliverability trends, with 11.8% spam flagging. If inbox placement is critical, compare alternatives before committing.
5. Omnisend: Best for Ecommerce Multichannel Campaigns
Omnisend is the right pick for any Shopify or WooCommerce store doing more than $100,000 a year in revenue. The AI is purpose-built for product catalogs. Abandoned cart timing, product recommendations from real purchase history, and a natural-language segment builder that delivers on its promise.
You describe the customer in plain English ("lapsed buyers who spent over $200 last year") and it builds the segment, drawing on churn prediction and high-value-customer scoring.
Best for: Ecommerce brands that want unified email, SMS, and push notification workflows at a lower price point than Klaviyo, especially when channel orchestration matters most.
6. MailerLite: Best Budget-Friendly AI Tool
MailerLite is an email marketing software with four main AI tools to help you write and optimize your campaigns: a subject line generator, email writer, Smart sending, and a landing page designer.
It can turn an external AI tool like Claude or ChatGPT into a powerful email content specialist with real-time access to your marketing data. By connecting your AI chatbot to your MailerLite account via MCP, you can move beyond generic text generation and automate and optimize your entire content creation workflow with suggestions based on campaign performance and subscriber data.
Best for: Freelancers, small teams, and creators who want reliable AI writing and optimization tools without enterprise pricing.
What AI Still Cannot Replace
A credible evaluation of any email marketing AI tool must include honest limitations. AI is strong at volume, pattern recognition, and speed. It is weak at genuine brand intuition, relationship judgment, and ethical content decisions.
Results improve when AI handles the first draft, and you handle the message, details, and final edits. AI-generated content is a great starting point, and your final review keeps the message accurate and true to your brand.
Mailchimp remains one of the most accessible entry points into AI-assisted email marketing. AI-powered tools in Mailchimp help marketers optimize email performance by predicting the best send times, subject lines, and segmenting audiences based on behavior and preferences. Mailchimp stands out for its comprehensive approach to email marketing, offering features that cater to both beginners and advanced users.
Standard and Premium users saw 2x more revenue (266%) on average for their connected ecommerce stores using predictive segmented emails versus non-predictive segmented emails for the January 2023 to December 2024 period.
Pricing: The Essentials plan starts at $13 per month for 500 subscribers, with 24/7 support. The Standard plan starts at $20 per month, offering dynamic content, send time optimization, and predictive segmentation. The Premium plan starts at $350 per month for large-scale operations.
Best for: Small businesses or early-stage teams that want a familiar interface with AI content and segmentation features built in.
Watch out for: Mailchimp's 82 to 85% inbox placement rate lags competitors achieving 89 to 95% deliverability. Independent testing through 2024 to 2025 showed declining deliverability trends, with 11.8% spam flagging. If inbox placement is critical, compare alternatives before committing.
5. Omnisend: Best for Ecommerce Multichannel Campaigns
Omnisend is the right pick for any Shopify or WooCommerce store doing more than $100,000 a year in revenue. The AI is purpose-built for product catalogs. Abandoned cart timing, product recommendations from real purchase history, and a natural-language segment builder that delivers on its promise.
You describe the customer in plain English ("lapsed buyers who spent over $200 last year") and it builds the segment, drawing on churn prediction and high-value-customer scoring.
Best for: Ecommerce brands that want unified email, SMS, and push notification workflows at a lower price point than Klaviyo, especially when channel orchestration matters most.
6. MailerLite: Best Budget-Friendly AI Tool
MailerLite is an email marketing software with four main AI tools to help you write and optimize your campaigns: a subject line generator, email writer, Smart sending, and a landing page designer.
It can turn an external AI tool like Claude or ChatGPT into a powerful email content specialist with real-time access to your marketing data. By connecting your AI chatbot to your MailerLite account via MCP, you can move beyond generic text generation and automate and optimize your entire content creation workflow with suggestions based on campaign performance and subscriber data.
Best for: Freelancers, small teams, and creators who want reliable AI writing and optimization tools without enterprise pricing.
What AI Still Cannot Replace
A credible evaluation of any email marketing AI tool must include honest limitations. AI is strong at volume, pattern recognition, and speed. It is weak at genuine brand intuition, relationship judgment, and ethical content decisions.
Results improve when AI handles the first draft, and you handle the message, details, and final edits. AI-generated content is a great starting point, and your final review keeps the message accurate and true to your brand.
The tools that deliver the best results treat AI as a production accelerant, not a replacement for strategic thinking. Apply AI to the mechanical parts: timing, segmentation, subject line variants, product recommendations. Keep human judgment in the room for brand voice, audience empathy, and campaign strategy.
When evaluating any platform, check three things before signing up:
Does the AI use your customer data, or is it generic?
Can you preview AI outputs before sending, or does it operate fully autonomously?
Does pricing scale predictably as your list grows?
The biggest gains come from automation, personalization, deliverability discipline, and realistic attribution, not from sending more emails.
Frequently Asked Questions
What is an email marketing AI tool?
An email marketing AI tool is software that uses artificial intelligence to automate or improve some part of the email campaign process. AI email marketing is the use of artificial intelligence in email marketing tasks. For example, AI can predict the best time to send an email and which products to recommend to customers in your emails. Most tools today include a combination of content generation, send-time optimization, audience segmentation, and performance analytics.
Do AI email marketing tools actually improve results?
The tools that deliver the best results treat AI as a production accelerant, not a replacement for strategic thinking. Apply AI to the mechanical parts: timing, segmentation, subject line variants, product recommendations. Keep human judgment in the room for brand voice, audience empathy, and campaign strategy.
When evaluating any platform, check three things before signing up:
Does the AI use your customer data, or is it generic?
Can you preview AI outputs before sending, or does it operate fully autonomously?
Does pricing scale predictably as your list grows?
The biggest gains come from automation, personalization, deliverability discipline, and realistic attribution, not from sending more emails.
Frequently Asked Questions
What is an email marketing AI tool?
An email marketing AI tool is software that uses artificial intelligence to automate or improve some part of the email campaign process. AI email marketing is the use of artificial intelligence in email marketing tasks. For example, AI can predict the best time to send an email and which products to recommend to customers in your emails. Most tools today include a combination of content generation, send-time optimization, audience segmentation, and performance analytics.
Do AI email marketing tools actually improve results?
Yes, but the improvement depends heavily on how you use them. Over 51% of marketers believe that AI-supported email marketing outperforms traditional methods. AI-driven email marketing results in a 13% boost in click-through rates. The gains are most consistent when AI handles targeting and timing, and humans retain control over strategy and brand voice.
Which email marketing AI tool is best for small businesses?
For small businesses, Mailchimp and MailerLite offer the most accessible entry points. Small businesses find email marketing to be an accessible and effective way to reach their customers. By using email, these businesses can engage with their audience, promote their products, and build brand loyalty with no need for large budgets. The ability to personalize messages and automate campaigns helps small businesses compete with larger firms. If ecommerce is your model, Omnisend's free plan also provides strong value.
How important is AI segmentation compared to AI content generation?
Both matter, but segmentation typically drives a larger revenue impact. Segmented email campaigns produce up to 760% more revenue than one-size-fits-all blasts, per Campaign Monitor data. Content generation speeds up production, but sending the right message to the wrong segment limits results significantly. Prioritize AI segmentation first if your list is large enough to benefit from audience targeting. Learn more about building high-performance segments in our guide on email list segmentation strategies that boost ROI.
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Yes, but the improvement depends heavily on how you use them. Over 51% of marketers believe that AI-supported email marketing outperforms traditional methods. AI-driven email marketing results in a 13% boost in click-through rates. The gains are most consistent when AI handles targeting and timing, and humans retain control over strategy and brand voice.
Which email marketing AI tool is best for small businesses?
For small businesses, Mailchimp and MailerLite offer the most accessible entry points. Small businesses find email marketing to be an accessible and effective way to reach their customers. By using email, these businesses can engage with their audience, promote their products, and build brand loyalty with no need for large budgets. The ability to personalize messages and automate campaigns helps small businesses compete with larger firms. If ecommerce is your model, Omnisend's free plan also provides strong value.
How important is AI segmentation compared to AI content generation?
Both matter, but segmentation typically drives a larger revenue impact. Segmented email campaigns produce up to 760% more revenue than one-size-fits-all blasts, per Campaign Monitor data. Content generation speeds up production, but sending the right message to the wrong segment limits results significantly. Prioritize AI segmentation first if your list is large enough to benefit from audience targeting. Learn more about building high-performance segments in our guide on email list segmentation strategies that boost ROI.
