AI Email Marketing Tools to Boost Performance in 2025

AI email marketing tools enable the creation of personalized email marketing messages with minimal manual effort. We identified the solutions below based on their capabilities in content generation, marketing automation, and optimization. Follow the links below to see our rationale for selection:

AI Email Marketing Tools		Focus
1.	Mailchimp	Advanced content optimization
2.	HubSpot Marketing Hub	Businesses with comprehensive CRM needs
3.	Drift Email	Real-time lead generation and account-based marketing
4.	Rasa	Personalized newsletters based on user behavior
5.	Seventh Sense	Email delivery optimization

1.

Mailchimp

Advanced content optimization

2.

HubSpot Marketing Hub

Businesses with comprehensive CRM needs

3.

Drift Email

Real-time lead generation and account-based marketing

4.

Rasa

Personalized newsletters based on user behavior

5.

Seventh Sense

Email delivery optimization

AI email marketing tools comparison

Sorting is based on the number of reviews gathered from B2B review platforms G2 and Capterra.

Pricing information and features supported by vendors are obtained from vendor websites. Check out email marketing pricing for more detailed information.

Vendor selection criteria

• Focus area: Included vendors that provide at least one AI-powered email marketing feature (e.g., content generation, automated personalization, or send time optimization)
• Market presence: Excluded vendors that do not have any reviews in B2B review platforms G2 and Capterra.

Features of top AI email marketing tools

❌: AIMultiple team did not come across vendor statements about this feature.

Detailed evaluation of leading AI email marketing software

Mailchimp

Mailchimp’s email marketing tool offers over 20 features that leverage artificial intelligence and data science.

Content generation: The Email Content Generator leverages GPT AI technology to suggest and generate subject lines, headers, preview texts, and subheaders for marketers to craft customized email marketing campaigns.

Creative assistant: It is designed to streamline the process of creating customized, brand-aligned designs for various marketing channels. By gathering the brand’s assets, such as colors, fonts, logos, and images, the creative assistant automatically generates on-brand graphics and layouts.

Content optimizer: Content optimizer performs an in-depth analysis of the email content by examining elements such as subject lines, headlines, body text, and call-to-action buttons to evaluate their readability, tone, and overall engagement potential. This analysis provides real-time optimization suggestions to refine email messages for better performance.

Send time optimization: This feature analyzes when the email contacts are most likely to engage and schedules emails to be sent during these optimal times.

Pros

• Mailchimp’s user-friendly features and intuitive UI make it easy to build professional content and manage email campaigns.
• Mailchimp offers a variety of templates, a drag-and-drop editor, and a tagging system for targeted messaging and audience segmentation.
• Mailchimp is praised for its easy integration, scheduling capabilities, affordable plans, and comprehensive reporting features.

Cons

• Users report issues with creating landing pages and updates not reflecting in email previews, although they are correct in test emails.
• Some users find Mailchimp’s automation features difficult to integrate with other platforms, and the drag-and-drop editor’s functionality lacks advanced formatting options.
• Several users report a lack of customer service availability via phone and restrictions on the number of contacts for email campaigns, particularly for smaller businesses.

Real-life example:

Mailchimp’s Intuit Assist represents a cross-platform AI initiative currently in beta, featuring AI-generated automation workflows, predictive conversion models, and creative assistance that adapts to brand guidelines. The platform reports up to 115% increase in click rates with automated campaigns versus bulk emails.

Figure 1: Mailchimp content optimization feature.¹

HubSpot Marketing Hub

HubSpot Marketing Hub integrates with HubSpot AI to generate content for marketing emails, personalize and analyze data for performance reporting of email marketing campaigns. HubSpot AI also allows for automating tasks and workflows to increase marketing efficiency.

With HubSpot AI integration, businesses can utilize AI content and email writer, social caption, and meta description generator.

ChatSpot: ChatSpot is an artificial intelligence-powered tool integrated into HubSpot CRM, designed to enhance productivity and efficiency in sales, marketing, and customer service.

It enables users to interact with the HubSpot system through natural language queries, allowing for tasks such as generating content, creating reports, scheduling tasks, and managing customer interactions more intuitively and efficiently.

With capabilities similar to ChatGPT, ChatSpot assists professionals in streamlining their workflows and improving business processes.

Pros

• No-code interface: Users can create emails, forms, and landing pages without needing technical or coding skills.
• Support and learning resources: Access to responsive customer support and comprehensive educational materials through HubSpot Academy.

Cons

• Template and customization limitations: Users report difficulties with template reuse and achieving specific design customizations.
• Feature restrictions by plan: Many advanced capabilities are available in higher-tier subscriptions, limiting functionality for basic plan users.

Real-life example:

The Linux Foundation is a nonprofit organization dedicated to fostering the growth of the open-source ecosystem. The company has improved its email marketing outcomes using HubSpot’s CRM and marketing platform.

They focused on enhancing their digital strategies by implementing better segmentation of their email list, which includes over two million contacts. This approach resulted in improved email health scores and more effective alignment of sales and marketing efforts.

With HubSpot, the Linux Foundation was able to automate and personalize its CRM to suit its unique business model, which involves managing hundreds of open-source projects.²

Figure 2: HubSpot ChatSpot feature example.³

Drift Email

Drift Email leverages artificial intelligence to enhance various aspects of email marketing and customer communication.

Lead generation: Drift Email enables engaging with site visitors in real time using AI-driven chatbots that can start conversations, answer questions, and drive lead conversion. This real-time interaction allows businesses to engage visitors with tailored messages and responses that adapt based on visitor behavior.

Account-based marketing (ABM): Account-based marketing (ABM) is a strategic approach that tailors marketing efforts to specific accounts, using personalized campaigns designed to engage each account effectively.

Drift facilitates ABM by identifying website visitors, analyzing their origin and the pages they visit, and ensuring that marketing efforts target the appropriate accounts. The platform customizes messages, alerts sales reps when high-value accounts are online, and directs these accounts to the appropriate representative through custom routing.

Drift enables integration of data from various sources, including marketing automation, CRM, and ABM tools, along with third-party data services like Clearbit, 6sense, ZoomInfo, and Crunchbase.

Pros

• Users find Drift’s chatbot effective due to its improved fluidity and functionality, as well as the Prospector dashboard, which accurately tracks website traffic and assists in lead generation.
• Drift’s ease of use, intuitive interface, and responsive customer support are commended, including the convenience of customers booking their meetings and integration with other sales tools.
• Specific features such as site activity tracking, the ability to record prospecting videos, and real-time alerts for customer interactions were frequently mentioned, contributing to improved sales outcomes and customer experiences.

Cons

• Drift’s routing parameters and territory assignments are reported as ineffective, often misdirecting prospects and leads.
• Users find the initial setup and customization of Drift challenging, including the configuration of meeting times and the Chrome extension.
• Drift’s integration with Salesforce is limited, only mapping to specific native objects and not supporting custom objects.

Real-life example:

Blue Yonder, founded in 1985, operates in the digital supply chain transformation industry. The company continually invests in advanced technology platforms to support its growth strategy.

Blue Yonder implemented a pilot program with Business Development Representatives (BDRs) using Drift’s live chat to prioritize rapid meeting bookings, focusing on “time-to-meeting” rather than “time-to-lead.”

Result:

With this integration, Drift enables targeted playbooks tailored to specific segments, while allowing BDRs to engage website visitors in personalized conversations.

Acting as the “voice and face” of Blue Yonder’s website, Drift also enhances the visitor experience with an avatar, Lumi, to make interactions more approachable and engaging. Drift’s chatbot capabilities have also improved engagement and conversion on the site, as users are three times more likely to share information through chatbots than traditional forms.⁴

Figure 3: Drift Email’s ChatBot example.⁵

Rasa

Rasa.io is an email automation, content featuring, and insights tool for your email marketing campaigns, specializing in sending personalized newsletters based on user behavior analysis.

Content featuring: This feature enables sending out and optimizing personalized content, which highlights the specific material in line with your customers’ interests. Featuring content is ideal for making critical announcements and sending out invites for webinars and events. It’s also suitable for communicating time-sensitive information.

Pros

• Rasa.io’s responsive customer support provides detailed instructions and resolutions, aiding users during the onboarding process.
• The platform offers a feature to deliver personalized newsletters, reducing the time it takes to engage subscribers and improving the quality of deliverables.
• The AI feature in rasa.io simplifies email marketing by aggregating content, boosting open and click-through rates, and automating outgoing email management.

Cons

• Users find rasa.io difficult to edit on mobile devices and desire better integration with Keap.
• Several users have expressed a need for improvements in user experience, particularly in post and ad editing, as well as report generation.
• Some users report difficulties in adding new content manually, in dealing with a lack of articles, and find the lack of personalization options limiting.

Real-life example:

The American Marketing Association (AMA), a professional group for marketing professionals, faced challenges in engaging its large membership effectively. To address this challenge, AMA partnered with rasa.io and utilized their AI technology for creating personalized emails tailored to each reader.

The use of rasa.io’s AI-powered tools for personalization significantly increased AMA’s website traffic and attracted new visitors since the initiation of this feature.

This partnership also provided insights to help AMA’s editorial team on blending expert knowledge with varied behavioral data, as well as adopting a data-driven strategy to tailor and schedule content that aligns with member interests and trends.

Result:

With a 47% increase in weekly open rates and click rates of nearly 10%, rasa.io effectively supported AMA’s marketing efforts. Moreover, the automated personalization of newsletters has been reported to save AMA over 50 hours.⁶

Figure 4: Rasa.io newsletter creation example.⁷

Seventh Sense

Seventh Sense enables an email delivery optimization system for HubSpot and Marketo to support email deliverability, user engagement, and boost conversions.

With Seventh Sense’s AI-powered optimization tools, businesses can predict and optimize their email frequency and personalize email send times based on the analysis of optimal engagement times.

Seventh Sense uses automatic engagement-based segmentation to segment users in line with their preferences effectively.

The software also allows for email throttling, which refers to the practice of deliberately regulating the number of emails sent from one server to another within a specific time frame to avoid delayed or rejected emails.

Pros

• Seventh Sense offers a staggered send feature and interprets user AI for optimum email delivery time, improving email campaign performance.
• Users appreciate the tool’s ability to provide insights on optimal email send times, easy setup, helpful customer service, and straightforward user interface.

Cons

• Users encounter extra steps when using Marketo and struggle to select multiple lists through Seventh Sense.
• Some users report issues with the user interface, finding it could be cleaner and easier to use.
• Users mention inconvenience with manual list refreshing, non-recognition of workflows, and difficulty in analyzing results.

Real-life example:

Brenthaven, a Seattle-based company known for its mobile technology cases, relies heavily on email marketing. Kelly Nealson, the Marketing Programs Manager, noticed a decline in email engagement and, to mitigate this issue, implemented Seventh Sense with HubSpot for analyzing email engagement data.

Seventh Sense’s machine learning technology creates engagement profiles for each contact and predicts the optimal times for email engagement, enabling marketers to set a delivery window. The analysis done by Seventh Sense revealed that Brenthaven had many disengaged contacts and a deliverability issue, with emails being marked as spam.

By optimizing send times and gradually distributing emails, Seventh Sense helped improve Brenthaven’s email domain reputation with Google, moving from “Bad” to “Medium” within a few months.

Result:

This approach also led to an increase in email engagement, with a 211% rise in total clicks and a 122% increase in total opens year over year.⁸

Figure 5: Seventh Sense send time optimization example.⁹

Smartwriter

Smartwriter is designed to automate and personalize email outreach for B2B sales processes.

Smartwriter creates personalized cold emails by analyzing online data and contextual information about prospects, such as job descriptions, social activities, and professional achievements.

Smartwriter offers advanced personalization features such as:

• Social personalization: personalization based on social activity, professional recommendations, achievements, and job descriptions.
• Personalized ice breakers: personalization based on recent articles, case studies, and blog posts.
• Backlink personalization,
• Contextual pitches using social profiles or company information.

Smartwriter also provides a free email quality checker for better-crafted emails that would have a higher chance of being opened.

Automated SEO Backlink Outreach: By leveraging AI to read and understand the content of blogs, Smartwriter generates personalized backlink request emails that are context-specific to each blog. The aim is to accelerate the link-building process from high domain authority sites, thereby supporting SEO growth and driving organic traffic increases.

Pros

• Users find that the AI features create personalized outreach messages quickly.
• Users mention that the customer support team is responsive and helpful.
• Users find that Smartwriter works well for LinkedIn outreach and cold email campaigns.

Cons

• Users report software reliability issues where features stop working unexpectedly.
• Users find the output quality inconsistent, as it sometimes pulls irrelevant information.
• Users mention that manual oversight is required before content is ready to use.

Real-life example:

EcomHype is an eCommerce growth agency that assists businesses in expanding their brands through digital marketing to establish an omnichannel presence and boost their revenue. The company uses the SmartWriter platform to create personalized messages for prospects by utilizing data from the prospect’s website domain.

This approach enabled them to tailor their communications effectively, better understanding the needs and characteristics of their prospects. 

Result:

As a result of this personalized messaging strategy, EcomHype has seen a more than 40% increase in response rates, leading to a higher number of booked appointments and more opportunities for closing deals.¹⁰

Figure 6: Smartwriter backlink personalization.¹¹

Agentic AI in email marketing

Email marketing AI agents represent a significant advancement in digital marketing automation, utilizing advanced algorithms to enable hyper-personalization, predictive analytics, and automated optimization.

These systems analyze customer behavior patterns, purchase history, and engagement metrics to create targeted microsegments and deliver individualized content at scale. Unlike conventional tools that relied on manual processes, AI agents continuously optimize send times, generate personalized subject lines, conduct real-time A/B testing, and predict user actions to maximize engagement and conversion rates.

The technology has proven effective across industries such as eCommerce and travel, creating personalized shopping experiences and targeted recommendations.

Implementation requires careful consideration of technical challenges including data quality and system integration, as well as operational factors such as team training, ethical data usage, and maintaining authentic human connection in automated communications.

Here are some examples in email marketing AI agents:

• Salesforce Marketing Cloud introduced Agentforce at Dreamforce 2024, featuring autonomous AI agents that generate campaign briefs, audience segments, content, and complete customer journeys without human intervention.¹²
• Braze expanded BrazeAI with Project Catalyst, an autonomous AI agent for individual customer engagement, while their AI Item Recommendations delivered 3X purchase rate increases for customers like KoRo Handels GmbH. The platform’s Personalized Paths feature scales message variant optimization across entire customer bases.¹³

What are the key features of AI in email marketing tools?

Real-time personalization

Real-time personalization has become the new standard, with AI systems adjusting email content instantly based on immediate user actions and cross-channel behavioral data.

Advanced segmentation techniques now analyze vast datasets to create hyper-specific micro-segments, achieving higher open rates compared to generic campaigns.

Machine learning automation identifies intricate patterns invisible to human analysts, enabling predictive behavioral segmentation that anticipates future customer actions.

Visual content creation

Dynamic visual content creation using tools like Midjourney AI generates personalized images from text prompts, while interactive email elements incorporate AI-powered engagement features.

The combination of text and visual AI enables customized email experiences at scale previously impossible with traditional tools.

Send time optimization

Optimizing the timing of emails is essential for maximizing engagement. AI can predict the best time to send emails to each recipient, to ensure higher open and click-through rates.

Email validation

Ensuring the accuracy and deliverability of email lists is fundamental to effective email marketing. AI-powered email validation helps reduce bounce rates, maintain list hygiene, and improve sender reputation, which directly affects email campaign performance.

Customer feedback analysis

Leveraging AI to analyze customer feedback helps marketers gain deep insights into customer sentiment. This can inform campaign adjustments, improve customer satisfaction, and refine personalization strategies.

Segmentation and targeting

AI advances segmentation by analyzing behavioral, demographic, and predictive data to create highly personalized email campaigns. Effective segmentation ensures that the right message reaches the right audience at the right time, therefore improving engagement and conversion rates.

Automated A/B testing

A/B testing automation represents a significant efficiency improvement, with marketers reporting improvement in testing capabilities using generative AI.

Automated winner selection based on statistical significance eliminates human bias, while multi-variant testing allows diverse content versions for specific customer segments. Real-time optimization enables AI to make campaign adjustments based on live engagement data.

Benefits of using AI in email marketing

AI in email marketing has recently been at the forefront of successful email marketing strategies, as 51% marketers found that AI email marketing tools are more effective than traditional email marketing.¹⁴ These artificial intelligence-powered tools provide personalized and automated solutions that would enhance engagement and support email marketing efforts. 

Here are some of the benefits of AI in email marketing:

Reduced email fatigue

AI in email marketing reduces email fatigue by personalizing content, optimizing send times, and adjusting email frequency based on recipient behavior. It segments audiences more accurately and uses predictive analytics to tailor communications, ensuring emails are relevant and engaging.

AI-powered A/B testing refines these strategies further by preventing overload and maintaining subscriber engagement. By proactively adjusting strategies based on engagement levels, AI helps sustain a healthy, long-term relationship with recipients, minimizing the risk of disengagement and churn.

Increased validation

Using AI tools for email validation in marketing improves deliverability by ensuring emails reach valid, active addresses, thereby reducing bounce rates and protecting your sender reputation.

This practice cuts costs by eliminating sends to invalid emails and enhances the accuracy of campaign metrics like open and click-through rates. Clean email lists also support better segmentation and targeting, leading to higher engagement and more conversions.

Improved email inbox management

By leveraging AI tools, marketers can ensure higher email deliverability by automatically filtering out invalid email addresses and optimizing email subject lines to bypass spam filters, thus improving inbox delivery.

Effective user segmentation

AI technology can analyze customer data to refine email marketing strategies, facilitating better segmentation and targeting throughout the customer journey. 

Challenges of AI in email marketing

While AI offers various advantages in email marketing, such as improved personalization, increased engagement, and cost efficiency, its integration may pose challenges that businesses should look out for:

Maintaining the human touch

AI email marketing tools can optimize email campaigns by leveraging user data, but they often lack the emotional depth and empathy needed for genuine customer interactions. This can make marketing campaigns feel impersonal, which in turn reduces email marketing engagement.

To maintain authenticity, sales and marketing teams must balance AI tools with a human touch in their email marketing efforts.

Data dependency

AI in email marketing relies on high-quality email data and user behavior to optimize email marketing campaigns. Smaller businesses or those with limited data might struggle to get accurate results.

Over-reliance on past data, such as purchase history or browsing behavior, can reduce adaptability to real-time market changes, therefore impacting overall email marketing performance.

Ethical and privacy concerns

AI email marketing tools analyze vast amounts of customer data, including first-party data, and this can raise concerns about privacy and data security. Companies must be transparent with customers and comply with data privacy regulations to maintain trust and ensure proper email validation. Check out AI ethics for more.

Technical expertise and related costs

Implementing AI into email marketing requires skilled personnel and investment in AI software, which can be costly for smaller businesses.

Machine learning and predictive analytics are key to optimizing email campaigns, but companies may need to train marketing teams or hire specialists to maximize the benefits of AI tools. Maximizing AI’s benefits in email marketing can become challenging without the necessary expertise.

External Links

• 1. Informationen zum Content Optimizer | Mailchimp.
• 2. The Linux Foundation Is Having Its Best Email Marketing Year Ever with HubSpot.
• 3. Meet Breeze — HubSpot’s AI that powers the entire customer platform.
• 4. Blue Yonder Transforms ABM Strategy with 6sense and Drift.
• 5. Drift Platform: Transform Conversations to Long-term Customer Relationship.
• 6. AMA Case Study: Marketers Using AI-Powered Newsletters | rasa.io. rasa.io
• 7. 10 Must-Have AI Email Marketing Tools | rasa.io. rasa.io
• 8. https://get.theseventhsense.com/hubfs/Case%20Studies/Brenthaven%20+%20Seventh%20Sense%20Case%20Study.pdf
• 9. Seventh Sense | For HubSpot.
• 10. SmartWriter.
• 11. Automate Your SEO Growth With AI Backlinks | SmartWriter.
• 12. AI in the workplace: A report for 2025 | McKinsey. McKinsey & Company
• 13. Braze | Braze Unveils New AI, Data, and Orchestration Product Innovation at Forge 2024 .
• 14. Effectiveness of AI in email marketing| Statista. Statista