AI email marketing tools are changing how email campaigns are run, with HubSpot being one of the best options. They help write emails faster, test subject lines, and analyze how people react to messages. These tools are indispensable if you manage multiple subscribers and clients.
However, finding an AI email marketing tool that simplifies your work isn’t easy. You must consider their AI features, affordability, integrations, and automation control.
Some options, such as HubSpot, meet most of these requirements, but there are alternatives you can use.
In this post, we’ll show you what makes each AI email marketing software effective. We’ll explore their best features and limitations to help you make an informed decision.
Disclaimer: This content contains some affiliate links for which we will earn a commission (at no additional cost to you). This is to ensure that we can keep creating free content for you.
The best AI email marketing tools depend on your marketing needs. However, in general, you can base the final selections on the following factors:
Before diving into the different AI tools for email marketing, here’s a quick comparison of the best options.
| Tool | Key Features | Best For | Free Plan | Starting Price |
|---|---|---|---|---|
| HubSpot | CRM-powered email marketing and automation | Businesses needing integrated CRM + marketing automation | ✅ | $15/seat/month |
| MailerLite | Drag-and-drop email builder with automation | Beginners and small businesses | ❌ | $10/month |
| Elastic Email | High-volume email API and SMTP service | Developers and bulk senders | ✅ | $19/month |
| Brevo | Email + SMS marketing with CRM | Small to mid-size businesses | ❌ | $9/month |
| Ortto | AI-driven customer data and automation | Data-driven marketing teams | ❌ | $199/month |
| Lemlist | Personalized cold email outreach | Sales teams and lead generation | ❌ | $79/month |
| Drip | Ecommerce-focused marketing automation | Online stores and DTC brands | ❌ | $39/month |
| Instantly | AI cold email scaling platform | Agencies and outbound sales teams | ❌ | $47/month |
| Sequenzy | Email automation, transactional emails, customer segmentation | SaaS startups and product-led businesses | ✅ | $19/month |
| Zeta | AI marketing platform with identity data | Large enterprise marketing teams | ❌ | Custom pricing |
| Missive | Collaborative team inbox with email workflows | Customer support and shared inbox teams | ❌ | $18/month |
| Optimizely | Experimentation and personalization platform | Enterprises running advanced marketing experiments | ❌ | Custom pricing |
| EmailOctopus | Amazon SES-powered email marketing | Budget-focused marketers and startups | ✅ | $10/month |
After testing multiple AI email marketing tools, below is a breakdown of the best tools worth checking out.
Image via HubSpot
HubSpot is one of the best AI email marketing tools due to its ability to study contact behavior, campaign results, and engagement signals. A combination of these data guides targeting and timing decisions.
This way, the platform can learn from each campaign and refine future email sends.
HubSpot also provides deep personalization across emails. It pulls contact and company data from its CRM to automatically generate unique content for each recipient.
The platform also integrates directly with over 2,000 CRM and marketing apps. This connection allows access to marketing, sales forecasting, and analytics data to stay synchronized without additional installations.
Key Features
Pros
Cons
Pricing
Image via HubSpot
Tool Level
Usability
Pro Tip: Use the CRM-based personalization tokens across email campaigns to improve message relevance without manually rewriting each email.
Image via MailerLite
Next on the list of the best AI email marketing tools is MailerLite. It guides email campaigns by analyzing engagement data like open rates and clicks. While it doesn’t rely on deeper CRM data like HubSpot, MailerLite provides reliable audience targeting.
MailerLite uses subscriber fields and behavioral segmentation for personalization. This allows you to adjust content using stored audience data and engagement signals.
You can also integrate MailerLite with ecommerce platforms and analytics software to maintain synchronized subscriber data.
You also get reporting capabilities, allowing you to review campaign performance and adjust your email strategy.
Key Features
Pros
Cons
Pricing
Image via MailerLite
Tool Level
Usability
Pro Tip: Use segmentation rules that update automatically to keep each email aligned with current audience behavior.
Image via Elastic Email
Elastic Email focuses on large-scale email delivery and campaign control. This robust AI email marketing tool works well for large teams handling high email volumes.
The tool tracks engagement signals, such as open activity, click behavior, and bounce rates. This data helps you review audience response and adjust campaign timing.
Elastic Email also provides triggered workflows and scheduled campaigns. With these features, you can create automated sequences based on subscriber activity and list changes to maintain campaign timing.
You can also use its Email API for third-party app integrations. However, Elastic Email sells this as a separate add-on, unlike HubSpot, which bundles this in one plan.
Key Features
Pros
Cons
Pricing
Image via Elastic Email
Tool Level
Usability
Pro Tip: Use engagement-based segmentation every time you’re about to send a new campaign. This keeps messages focused on active subscribers and maintains strong inbox placement.
Image via Brevo
Brevo effectively combines marketing and transactional messaging, making it one of the most reliable AI email marketing tools. It records engagement signals like opens, clicks, and delivery results.
Additionally, Brevo analyzes user behavior to improve targeting and segmentation. It achieves this by grouping contacts based on interaction data and list attributes. While its prediction is great, it’s not on the same level as HubSpot.
Brevo provides marketing automation controls for repetitive tasks. You can trigger campaigns using actions like sign-ups, list updates, or engagement signals. These workflows help maintain consistent campaign timing without manual scheduling.
Key Features
Pros
Cons
Pricing
Image via Brevo
Tool Level
Usability
Pro Tip: Use behavioral segmentation rules before each campaign send. This keeps messages aligned with recent subscriber activity and improves engagement accuracy.
Image via Ortto
Most of the AI email marketing tools discussed here focus on automation before data. Meanwhile, Ortto places customer data and behavior at the center of every campaign. It analyzes this data to refine targeting decisions.
The system also groups contacts based on interaction signals and audience attributes stored in its data layer.
You can personalize messages based on contact attributes, activity data, and segmentation rules. This keeps messages aligned with dynamic subscriber behavior in real time.
Key Features
Pros
Cons
Pricing
Image via Ortto
Tool Level
Usability
Pro Tip: Use behavioral audience segments that update automatically to keep campaigns aligned with current user activity.
Image via Lemlist
Lemlist prioritizes personalization to ensure every email is relevant to the recipient. It achieves this through heavy data analysis and learning from past campaign performances.
What makes Lemlist stand out from other AI email marketing tools is that its personalization goes beyond using a first name. You can also customize images and product/service offers based on specific prospect data.
Automation control is strong, allowing you to build complex multi-step sequences that trigger based on recipient actions.
It also offers reliable email deliverability management, with features to warm up inboxes and check your spam score before you send emails. This helps you maintain a healthier sender reputation.
Despite these key features, we’d like to note that Lemlist’s lead management capabilities aren’t as refined as HubSpot’s.
Key Features
Pros
Cons
Pricing
Image via Lemlist
Tool Level
Usability
Pro Tip: Use Lemlist’s AI to identify the messaging that resonates best. Then, automatically apply those winning elements.
Image via Drip
Drip focuses on collecting and analyzing behavioral data to inform marketing decisions. It tracks how people interact with your brand and uses that information to improve campaign relevance.
For instance, you can reference viewed products or consumed content. This lets you tailor subsequent messages based on this data.
Drip also offers automation through visual builders that map out specific areas of customer journeys. This automation isn’t as deep as HubSpot’s, but it makes your work easy by handling repetitive steps.
Furthermore, Drip provides branding services. This means you can send emails that carry your logo.
Key Features
Pros
Cons
Pricing
Image via Drip
Tool Level
Usability
Pro Tip: Use Drip's lead scoring feature to automatically identify which of your subscribers are most engaged.
Image via Instantly
The best AI email marketing tools can handle the mechanics of delivery and data. Instantly focuses on this operational layer, positioning itself as a practical engine for cold outreach and list building.
It improves outreach by analyzing sending patterns and account health, then automatically adjusting delivery times. The system prioritizes keeping emails out of spam by warming up and rotating accounts based on performance.
Additionally, Instantly offers a degree of CRM automation through its campaign flows. With this feature, you can pause, resume, or change a sequence based on whether a lead replies.
It also integrates with major marketing systems through native connections. However, the integration range isn’t as rich as HubSpot’s.
Key Features
Pros
Cons
Pricing
Image via Instantly
Tool Level
Usability
Pro Tip: Use Instantly's built-in email verifier on every list before launching a campaign. This keeps your metrics reliable and your accounts healthy.
Image via Sequenzy
Sequenzy flips the usual email pricing model. Instead of charging by contact count, it charges per email sent with unlimited contacts on every plan. This is great for SaaS businesses with huge email lists.
It also combines marketing and transactional email in one place, so receipts, password resets, and campaigns all run through the same sender.
Where Sequenzy really stands out from older platforms is the AI layer. There's an MCP server that lets Claude, Cursor, and other AI agents manage campaigns, subscribers, and sequences.
Also, the AI sequence builder turns a plain-language goal into a full multi-email flow in seconds.
Key Features
Pros
Cons
Pricing
Image via Sequenzy
Tool Level
Usability
Pro Tip: Hook Sequenzy's MCP server into Claude or Cursor and let the agent draft sequences, segment subscribers, and trigger campaigns for you. It turns email from a manual task into something your AI workflow handles directly.
Image via Zeta
Zeta Global focuses on data signals to power its AI email marketing tools. It has a machine learning layer that forecasts sales and automates campaign adjustments based on those insights.
The platform integrates deeply with your existing tech stack through its Broadcast Campaign APIs, allowing you to manage campaigns seamlessly. With this, you can build campaigns in your preferred marketing content tools. Meanwhile, Zeta handles the execution.
Zeta also offers a Report Builder feature for analyzing bounce rates. This helps you protect your sender's reputation. It also comes with a centralized dashboard offering a unified view of all prospects.
Key Features
Pros
Cons
Pricing
Tool Level
Usability
Pro Tip: Leverage the inbound data controls to enforce strict formatting rules on your data as it enters the platform. This ensures personalization works with reliable data.
Image via Missive
Missive is one of the best AI email marketing tools for collaborative teams that manage email threads. It creates a workspace where marketing tools enable teams to collaborate easily on a daily basis.
The tool analyzes incoming messages to draft replies and suggests content based on the context of the conversation. It focuses on optimizing immediate responses rather than on long-term predictive modeling.
The platform integrates with marketing systems through its API and third-party connectors. These links all your email interactions inside your CRM. However, it doesn’t offer the same integration depth as HubSpot, which works with over 2,000 apps.
Key Features
Pros
Cons
Pricing
Image via Missive
Tool Level
Usability
Pro Tip: Use the rules engine to create shared labels and assignments based on email content. This automatically organizes incoming requests so the right person sees them first.
Image via Optimizely
Optimizely analyzes customer behavior across your site and apps to form email content. It then connects web interactions directly to message timing and offers.
Automation control in Optimizely relies on triggers linked to real-time customer actions. You can move people through journeys based on their current engagement level.
The platform also integrates with marketing systems through its customer comms hub. This connects email with web personalization and experimentation data.
However, Optimizely lacks the native CRM connections available on HubSpot. This can make it more difficult to link sales activities to the CRM.
For email deliverability, Optimizely provides tools to manage sender reputation and monitor inbox placement. Its reporting and performance tracking show you which messages drive the most engagement.
Key Features
Pros
Cons
Pricing
Tool Level
Usability
Pro Tip: Use the experimentation panel to set up a holdout group in your email sends. This lets you measure the true lift of your campaigns.
Image via EmailOctopus
EmailOctopus analyzes campaign performance by integrating with Amazon Web Services (AWS). This provides deep personalization through dynamic content tags that pull subscriber data directly into your messages.
With messages relevant to customers’ current needs, it helps you interact with each of them as a separate individual.
The platform integrates with marketing systems through native connections to Shopify, WordPress, and other popular tools. It also offers a clean API for custom builds.
Compared to HubSpot, which provides better attribution, EmailOctopus keeps its reporting focused on campaign essentials like open rates and click maps.
To manage deliverability, EmailOctopus partners with Amazon SES, ensuring high sending success rates. You can even access real-time bounce rates, which help you come up with better countermeasures.
Key Features
Pros
Cons
Pricing
Image via EmailOctopus
Tool Level
Usability
Pro Tip: Use the custom fields feature to store engagement scores from your own calculations. This lets you differentiate your most active subscribers from those who haven't engaged recently.
Q1. Can AI do email marketing?
A. Yes, there are various uses for AI in email marketing. It can write better subject lines, suggest email copy, and choose send times based on past data.
You can also use AI to group subscribers by behavior. For example, it may place people who clicked a product link into one list and send them a related offer.
Q2. What are the 4 pillars of email marketing?
A. Most email marketing plans rely on four core pillars:
Q3. What is the best AI tool for email?
A. HubSpot is a great choice. It combines email marketing, AI automation, and AI writing tools in one place. It can write catchy subject lines, suggest better send times, and connect email data with customer records.
Q4. Is email marketing going to be replaced by AI?
A. AI will change how email marketing works, but it will not replace it. Email still gives you a direct line to your audience.
AI mostly handles repetitive tasks like writing drafts, sorting contacts, and testing subject lines. You still guide the message, tone, and timing. This is because people respond better when emails sound human.
Q5. Do people care if you use AI for emails?
A. Most people don’t mind if AI is used to write an email. What they notice is when the message feels useful and relevant. If an email sounds robotic or generic, readers may lose interest.
The best AI email marketing tools feature various capabilities. Some tools excel at cold outreach, others at team collaboration, and a few at enterprise-scale data processing.
HubSpot consistently ranks at the top for its wide range of email marketing features. It delivers AI email marketing tools that actually work with your customer data.
If you want a platform that combines email marketing, automation, and customer data, try HubSpot Marketing Hub to streamline your email campaigns and improve results.
Disclaimer: This content contains some affiliate links for which we will earn a commission (at no additional cost to you). This is to ensure that we can keep creating free content for you.
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