7 Best AI Email Marketing Tools for Sustainable Growth

Compare leading AI email marketing tools that automate email marketing workflows, boost deliverability, and offer personalized campaigns at scale. Build a system that grows with your team.

ai email marketing tools
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TL;DR

AI email marketing tools help teams scale by automating email copy, personalizing messages, enriching data, scoring leads, optimizing deliverability, and running workflows on autopilot.

Our top picks today include Instantly (all-in-one cold email automation), Seventh Sense (HubSpot/Marketo optimization), Ortto (active lead focus), Sender (low-cost SMS/email), Popcorn (AI lead tracking), Clay (enrichment and research), and Encharge (SaaS workflows).

AI email marketing tools give teams the leverage they need to grow faster without adding headcount. They handle repetitive work, personalize campaigns at scale, and maintain high deliverability even as sending volume rises.

Email marketing has a lot of moving parts, but AI now supports every stage of the funnel. You can generate stronger copy, enrich leads automatically, score engagement, handle replies, and optimize send times without manual oversight.

In this guide, you’ll learn the key types of AI email marketing tools, how they fit into real outreach workflows, and a few top platforms that deliver the most impact for teams focused on predictability and revenue.

What Type of AI Do You Need for Email Marketing?

Implementing AI into your workflows can be as simple or complex as you want it to be.

But if you’re just starting or looking to revamp campaigns, here are the essentials you need:

Generative AI: Automate Email Copy 

The first AI tool every scaling team should have is some form of generative AI. ChatGPT is the most popular example. You can use it to generate email templates, unique selling points for specific audience segments, and call-to-actions that feel easy to follow through on. 

While you can use ChatGPT to personalize emails for each lead, you have to integrate it with your email marketing tool. That means spending money on an account, API credits, or hiring developers to help you set up the automations.

Personalization AI: Making Each Email Unique

If you send basic templated emails to your entire lead list, there’s a high chance you’ll get flagged for spam. That’s why you shouldn’t just look for basic generative AI. You need an email marketing tool that incorporates predictive and highly customizable AI. Instantly does this through dynamic variables.

instantly dynamic email variables

Instead of {{first name}}, you can tell Instantly to generate {{pain points}} based on company descriptions, mention {{tools}} prospects use, or {{competitors}} you’ve helped achieve goals for. 

Automation & Workflow AI: Run Campaigns on Autopilot

Even with automation, opportunities can still fall through, especially as sending volume increases. Automation and workflow AI tools enable marketers to run multi-step sequences based on triggers, update CRM data in real time, and enhance lead engagement.

For example, the Instantly AI Reply Agent reads emails from leads and replies on your behalf, handles objections, sends follow-ups, includes attachments, and replies contextually.

instantly ai email reply agent

You can also choose how hands-on you want to be with the Human-In-The-Loop mode. 

Deliverability & Warmup AI

Email warmups protect your domains from the adverse effects of email marketing. Consider this: not every lead will open or respond to your email. To preserve your sender's reputation, you’ll need a buffer (positive replies and email exchanges from email warmup pools). 

You’ll also need deliverability tools to track key metrics like spam percentage, bounce rates, inbox placement, and domain health. You can use these to guide A/B testing and adjust campaign elements, such as subject lines, value propositions, or sending times. 

Best AI Email Marketing Tools

Below, we’ll list down AI email marketing tools that create a holistic impact on your overall campaigns. Find what fits your needs most, try it out for yourself, and use AI to scale what’s already working for your team. 

Instantly.ai: Best All-in-One AI Email Marketing Tool

instantly ai email marketing tool

G2 Rating: 4.8/5 ⭐ from 3,861 reviews

Many marketers are skeptical when they hear about a one-size-fits-all AI email marketing. That’s why Instantly has always been careful about what type of AI to incorporate into our offerings.

Since we started, we’ve only prioritized essential, affordable AI features that help you scale winning email marketing campaigns without losing your business's voice and unique touch.

When it comes to pricing, you control how you use our AI features through Instantly Credits. The cost depends on the action you want to automate.

  • Generate email sequences: 0.1 credits. 
  • General info requests: 0.05 credits.
  • Find prospects (SuperSearch): 0.1 credits.
  • Create campaign: 0.5 credits.
  • Audit workspace: 1 credit.

The “Audit My Workspace” tool is an Instantly Copilot feature that analyzes your entire business information and/or website details and helps you examine the following cold email campaign essentials:

  • Campaign performance
  • Account setup
  • Deliverability status
  • Overall Workspace health

Depending on your preferences, Instantly Copilot can then store your business information in memory to deliver far more meaningful, relevant, and context-aware responses in your campaigns.

instantly copilot memory

Key AI Features

There are several ways to use AI workflows with Instantly, even with our entry-level plan. Here’s what you can expect with the Growth Plan and Instantly Credits: 

  • Instantly Copilot: Generate email sequences, create campaigns, and find prospects. 
  • AI Reply Agent: Automatically handle incoming emails, replies, and objections.
  • SuperSearch: AI-powered lead generation and enrichment. 
  • Unlimited Warmup: Add your sending accounts to our warmup pool with no extra cost.

With the HyperGrowth plan, you gain access to more advanced AI features, such as: 

  • AI Sequence Writer: Generates complete, personalized email sequences based on your offer, audience, and case studies in just a few clicks.
  • AI Spintax Writer: Automatically adds spintax variations to your email copy to improve deliverability and reduce spam flags (e.g., {{RANDOM |Hi | Hello | Hey}}).
  • AI Spam Words Checker: Scans your email copy for spam-triggering language and suggests context-aware replacements to maintain inbox placement.
  • AI Prompts: Creates personalized content and custom variables for each lead, enriching campaigns with relevant, dynamic details.
  • Auto-Optimized A/Z Testing: Analyzes email variants to see which version performs best based on reply, click, or open rate, then deactivates less effective versions. 

Pricing

instantly email marketing pricing

Instantly’s pricing is designed for businesses that want to dip their toes into cold email marketing, agencies looking to grow, and enterprises seeking to scale. You can also choose to get Instantly Credits to use SuperSearch and all its lead prospecting and enrichment features. 

Seventh Sense: Best Email AI Tool for Marketo and HubSpot Environments

seventh sense ai email marketing tool

G2 Rating: 4.8/5 ⭐ from 18 reviews

If you’re already working within HubSpot or Marketo environments, Seventh Sense becomes a no-brainer. It’s an AI email marketing tool designed to optimize send times, boost engagement, and grow conversions. 

One feature to watch out for is Seventh Sense’s lead management feature. It can identify inactive leads, helping you segment contacts and maintain healthy subscriber lists. Inactive leads get sent emails less, but you re-engage with them over time—all of this in autopilot. 

Key AI Features

Seventh Sense’s AI features are designed to optimize your current campaign, automate drip sequences, and facilitate A/B testing. Here are the AI features you can expect:

  • Email frequency optimization
  • Dynamically suppress/unsuppress segments
  • Custom deliverability windows
  • A/B and multivariate testing
  • Lookalike audience sending

Pricing

Seventh Sense has two pricing options for HubSpot and Marketo. For HubSpot, the plan starts at 5,000 marketing contacts. Their Marketo plan starts at 50,000 leads. Both are charged annually. 

Ortto: Doubledown on Active Leads

ortto ai email marketing tool

G2 Rating: 4.4/5 ⭐ from 614 reviews

Success in email marketing comes from focusing on the leads most likely to engage and convert. Ortto makes this process effortless with AI-driven tools that identify active contacts, predict engagement, and personalize messages based on real-time behavior.

Key AI Features

Ortto’s AI features work best if you already have a robust database of customer information. Here are some of the best AI features of their email marketing tool:

  • AI Filters that let you describe audience segments in natural language 
  • Identify high-conversion candidates using AI decision making (Shapes)
  • AI-assisted scoring and lead enrichment
  • Subject line open-rate prediction & suggestions
  • Unified customer data platform + data & automation

Pricing

Just like Sevent Sense, Ortto also charges more depending on the number of contacts you have in your list. Pricing starts at $199/month for 5,000 contacts. However, to access more advanced AI tools, you must upgrade to a Professional or higher plan.

Sender: Low-Cost SMS and AI Email Marketing Tool

sender ai email marketing tool

G2 Rating: 4.7/5 ⭐ from 212 reviews

When scaling email marketing without adding headcount, the smartest wins often come from welcome sequences and re-engagement flows. That’s where Sender shines. It’s a low-cost email and SMS marketing tool with decent AI features for the price point. 

Key AI Features

Sender may be known for its simplicity and affordability, but it also features several AI-powered enhancements that improve automation and audience engagement. Even on its lower-tier plans, you can create intelligent workflows that nurture leads and automatically re-engage contacts:

  • Build welcome, nurture, and re-engagement sequences that adapt to each customer's engagement level.
  • Automatically group contacts based on activity, purchase history, or interaction patterns.
  • An AI subject line assistant that helps you test tone and unique selling points.
  • Dynamic content blocks and content recommendations tailored to recipient preferences.
  • Combine AI-driven email workflows with automated SMS triggers to maintain.

Pricing

Sender has a Free Forever plan that includes 2,500 contacts, 15,000 email sends, and email automation features. Their paid plan starts at $10/month but already includes SMS messaging and A/B testing. Pricing also depends on the number of marketing leads you have in your list. 

Popcorn: Best for AI Lead Tracking

popcorn crm ai email marketing tool

Popcorn CRM positions itself as an alternative to platforms like HubSpot CRM. It offers all the essentials for sales and marketing outreach, along with built-in AI lead tracking and scoring. Users get a simple visual CRM, email marketing tools, and website tracking capabilities. 

Key AI Features

At its core, Popcorn blends CRM simplicity with intelligent automation that highlights who to contact, when, and why. Popcorn’s AI and smart tracking features are designed to make lead management faster and more intuitive:

  • Activity tracking and timeline
  • Automated lead scoring based on audience activity
  • Web tracking and email integration
  • Automation and nurture for workflows

Pricing

Popcorn offers an all-in-one CRM and outreach experience with their Marketing tier at £59/month. This already includes two users and 4.5k monthly emails. 

Clay: Best for Enrichment and Research

clay ai email marketing tool

G2 Rating: 4.8/5 ⭐ from 173 reviews

Personalization is most effective when paired with high-quality lead lists with enriched data. For most teams, Clay is their go-to tool for enriching lists.

It’s designed to combine your first-party data with rich prospect data, automate research, and feed intelligence into your outreach.

Clay enables you to pull live data from over 50 external sources. It automatically enriches records in your CRM or database, scores leads based on behavior and fit, and triggers workflows without requiring any code.

Key AI Features

Clay’s AI and workflow capabilities are built to reduce manual research, maintain data accuracy, and enable in-depth and personalized outreach:

  • Sequentially enriches lead data from multiple sources to fill in details such as company size, tech stack, revenue, and job title.
  • AI Research Agent that gathers data such as recent funding rounds or leadership changes, for personalized outreach.
  • Scores leads by combining enrichment data with behavioral signals.
  • Connects to your CRM, email platform, or data warehouse so enriched records automatically trigger campaigns or segment updates.

Pricing

You can try Clay for free with 100 credits monthly. Howevler, if you want to scale data enrichment, their Starter plan provides access to powerful research tools and the AI/Claygent.

Encharge: Built for SaaS Email Marketing Automation Workflows

encharge ai email marketing tool

G2 Rating: 4.7/5 ⭐ from 353 reviews

If you're running a SaaS business and want your email marketing to reflect how users actually engage with your product, rather than just sending newsletters, Encharge makes that process seamless.

It’s built to handle behavior-based journeys, tracking trial starts, in-app actions, billing events, and more, then triggering timely and relevant emails.

Because Encharge is designed for product-led and subscription companies, it integrates with billing tools, CRMs, and event tracking platforms to ensure your campaigns respond to user actions within your product. 

Key AI Features

  • The Visual Flow Builder enables you to create automated user journeys for onboarding, upselling, and renewals in just minutes.
  • Behavior-triggered emails send personalized messages when users take or fail to take specific actions.
  • Segmentation and lead scoring use customer data and activity to identify engaged or at-risk users.
  • Encharge integrates with billing, CRM, and product tools, ensuring your automations align with actual user behavior.
  • Built-in A/B testing and personalization help you send more relevant, higher-performing emails.

Pricing

Encharge is based on the number of subscribers you have. The higher the tier, the more emails you can send based on subscriber count (10 times for Growth and 12 times for Premium).  

Key Takeaways

AI-powered email marketing tools are essential for scaling outreach, ensuring emails are personalized, and actions are based on lead activity rather than guesswork. To recap, here are the seven tools we recommend:

  • Instantly: Best for automating every part of the cold email outreach process.
  • Sender and Popcorn: Low-cost alternatives for lead tracking and AI email outreach.
  • Ortto: Best for nurturing leads most likely to convert.
  • Clay: Best AI email marketing tool for enriching lead lists.
  • Encharge: Built for SaaS email marketing automations. 

If you need an AI email marketing tool with features tailored for every part of the cold outreach process, Instantly is hard to beat. Try it out for free today.