The key to a successful email marketing campaign lies in creating compelling, personalized, and relevant content. This is where AI writing tools step in, revolutionizing how email marketing is approached. In this article, we’ll introduce you to the top 8 AI writing tools that can be your secret weapon for making an impact with your email marketing campaigns.

1. HubSpot AI Content Assistant

The AI Content Assistant is a part of HubSpot’s suite of marketing tools and is integrated into the platform to provide users with intelligent content recommendations and improvements. HubSpot has employed the same large-language models found in Chat GPT and Open AI within the CRM and Hubs. 

HubSpot AI Content Assistant pricing

Highlighted features of HubSpot AI

  • Proofreading and editing content

This tool helps you check whether your content is error-free, coherent, and aligns with your brand’s voice and style.

  • Adjusting the brand voice and style 

AI Content Assistant can make adjustments to match the tone of voice you want to convey. You can effortlessly adapt the same message for a formal audience or a more informal, familiar one.

  • Balancing AI and human content

This tool can use AI’s efficiency and consistency while preserving the authenticity, creativity, and emotional connection only humans can provide. 

  • Checking accuracy

HubSpot AI can verify the accuracy of content, especially when it includes statistics, data, or facts. Rely on credible sources and ensure that the information is correct to maintain your content’s credibility.

2. Klaviyo AI Marketing Automation Tool for Email & SMS

Klaviyo offers predictive data science and AI tools that are smoothly integrated throughout the platform. Leveraging AI, Klaviyo enables precise content creation, personalized product recommendations, and predictive insights, allowing businesses to send highly targeted and relevant messages to their audience.

Klaviyo AI pricing

Highlighted features of Klaviyo AI

  • Subject line assistance

This feature suggests ideas for subject lines based on your message – promotions, newsletters, welcome series, browse abandonment, abandoned cart, win-back, post-purchase, or other.

  • SMS assistance

With Klaviyo’s AI-powered SMS assistant, marketers can input a few campaign descriptions to generate compliant SMS examples within seconds. 

  • Suggested text responses

Klaviyo’s SMS uses AI to evaluate incoming texts and recommend the best saved quick response.

  • Personalized product feeds

Enhance your emails with hand-picked product recommendations using Klaviyo’s rules-based product suggestions.

  • Personalized benchmarks

Klaviyo creates specific industry benchmarks for each brand based on monthly revenue, campaign frequency, growth, and average item value.

  • Sending time optimization

Klaviyo analyzes data to determine the optimal time to email customers for maximum open and click rates.

3. Twilio SendGrid

SendGrid provides a user-friendly email builder, an automation builder, and analytics tools for tracking customer engagement and campaign success.

Twilio SendGrid pricing

Highlighted features of Twilio SendGrid

  • Email template building

Without requiring advanced design or coding skills, you can create custom, visually appealing, and professional email templates from various pre-designed templates.

  • Marketing email automation building

This tool is handy for creating customer journeys and automated workflows. You can establish a series of emails triggered, such as welcoming new subscribers, nurturing leads, or re-engaging inactive users.

  • Signup form building

SendGrid allows you to customize these forms to match your brand’s style and collect specific information from subscribers, such as names or preferences.

  • Creation of dynamic email templates

SendGrid allows you to create personalized and data-driven emails at scale. You can send tailored product recommendations based on a customer’s browsing or purchase history, creating a more personalized and compelling email experience.

4. SmartWriter.AI is an AI-driven writing tool dedicated to crafting tailor-made cold emails, LinkedIn messages, and marketing content that delivers results. This tool conducts in-depth research on your intended audience, identifies their pain points, and crafts individualized messages that deeply connect with their needs and preferences.

SmartWriter.AI pricing

Highlighted features of SmartWriter AI

  • Personalized cold email outreach

SmartWriter AI tool utilizes a prospect’s online data to craft customized emails, which helps establish one-on-one connections with potential clients, enabling you to scale your business effortlessly.

  • Email verification

SmartWriter.AI can check and validate email addresses in real time, reducing bounce rates and increasing the chances of your emails reaching the inbox. 

  • Personalized LinkedIn outreach

The feature analyzes your prospects and LinkedIn profile comprehensively. It then generates unique and personalized messages tailored to your specific targets.

  • Access emails from LinkedIn profile

This tool enables extracting email addresses from LinkedIn profiles, which helps you enhance your ability to connect with individuals who match your target audience.

5. Drift Email

Using AI and machine learning, Drift Email analyzes emails to guide interactions. The AI engagement score identifies highly interested prospects, and salespeople receive notifications about those with strong buying intent, enabling personalized outreach.

Drift Email pricing

Highlighted features of Drift Email

  • Drip campaigns

Drift Email can deliver relevant content to prospects at the right moments, making it easy to nurture leads and guide them through the sales funnel.

  • Event-triggered actions

This tool automates responses based on specific recipient behavior. For example, you can set up actions triggered when a recipient clicks a particular link or takes a specific action in an email.

  • Automated follow-up email

You can set up automated follow-up emails to engage with leads and prospects who have shown interest but have not taken specific action.

  • Abandoned chat bot email

The feature detects when a chat conversation is abandoned and sends a follow-up email to re-engage the visitor.

6. SendinBlue 

SendinBlue, now Brevo, offers SMS services, email marketing, and a user-friendly interface for designing and sending campaigns. The platform includes a drag-and-drop editor and pre-built templates for easy customization. Its AI assistant optimizes email campaign timing for the best outcomes.

SendinBlue pricing

Highlighted features of SendinBlue

  • Email marketing automation

The platform supports email marketing automation, enabling you to set up automated email sequences triggered by specific user actions or time intervals.

  • Bounce management

This feature identifies and handles bounced emails, reducing the risk of sending to invalid or non-existent addresses and protecting your reputation as a sender.

  • Email segmentation

SendinBlue allows you to create highly targeted email campaigns by dividing your contact lists into segments based on criteria such as demographics, behavior, purchase history, or engagement level. 

  • CRM integrations

SendinBlue enables you to connect your email marketing efforts with your customer data and sales processes.

7.’s AI-driven management enhances email deliverability and responses. It automates sending sequences with AI, increasing open and response rates, and provides detailed campaign metrics, including sends, opens, and responses. pricing

Highlighted features of

  • Lead filtering and downloading 

This feature lets you specify criteria such as demographics, job titles, or industry to refine your lead lists and increase the relevance of your cold email outreach.

  • Advanced scheduling allows you to set specific send times and dates to ensure your emails reach recipients when they are most likely to be noticed, enhancing open and response rates.

  • Automatic follow-up emails

This is a powerful feature in that streamlines your cold email outreach efforts. You can set up follow-up sequences triggered based on recipient actions or inaction.

  • Email deliverability scoring provides insights into the likelihood of your emails reaching recipients’ inboxes. It assesses various factors such as sender reputation, content quality, and compliance with email best practices.

8. SeventhSense

SeventhSense uses behavior profiling to optimize email outreach. This tool identifies the best times to send emails for improved open rates and engagement by analyzing past interactions and individual preferences. It creates prediction models for each contact to achieve this.

SeventhSense pricing

Highlighted features of SeventhSense

  • Personalized service

SeventhSense can tailor the timing and content of emails for each individual, resulting in more relevant and engaging email interactions. 

  • Campaign analytics

The platform helps you track key metrics such as open rates, click-through rates, conversion rates, and more. 

  • Campaign scheduling

SeventhSense considers individual preferences and behaviors and increases the likelihood of your emails being seen and acted upon, resulting in improved conversion rates and customer engagement.

  • Event-triggered actions

This feature allows you to set up automated actions based on recipient behavior. For example, when a recipient interacts with a specific link or takes a particular action within an email, event-triggered actions can automatically send follow-up emails. 

  • Drip campaigns

SeventhSense can optimize the timing of these emails, you can keep leads engaged and convert them into customers more effectively.


Email marketing goes beyond message delivery; it’s the art of forging personal connections and inspiring action. In this article, we’ve introduced you to eight game-changing AI writing tools that excel at achieving these objectives with finesse. With this diverse array of options listed, you now have the opportunity to explore and find the best AI writing tool for your unique needs.

IMP provides digital marketing services for global ecommerce companies. Our solutions help businesses increase their profits sustainably and reduce dependency on paid media.