Best AI Tools for Email Copywriting

If you write emails for a living—or your business depends on them—you already know the pressure. Subject lines need to get opened. Body copy needs to feel human. Calls to action need to convert without sounding pushy. And you need to do it again tomorrow.

That’s where AI email copywriting tools come in. Used the right way, they don’t replace you. They speed you up, sharpen your ideas, and help you test more angles than you ever could on your own.

This guide is written for marketers, founders, freelancers, and creators who want practical answers, not hype. You’ll learn which AI tools actually help with email copywriting, where they fall short, how much they cost, and which ones fit your specific use case. I’ll also share real-world tips on using AI without sounding robotic, plus a clear guide to choosing the right tool for you.

Best AI Tools for Content Writing List 2026

Let’s get into it.

What AI Email Copywriting Tools Actually Do

AI email copywriting tools use large language models trained on massive amounts of text. In simple terms, they predict the next best word based on what you ask them to write.

For email writing, this means they can:

• Generate subject lines and preview text
• Draft cold emails, newsletters, and promos
• Rewrite emails to sound clearer or more persuasive
• Adjust tone for different audiences
• Personalize emails at scale
• A/B test variations faster

What they can’t reliably do is understand your brand voice without guidance, know your customers better than you do, or replace strategy. Think of them as very fast junior copywriters who need direction.

How We Evaluated These Tools

To keep this article useful, every tool here was evaluated on:

• Email-specific features
• Output quality and readability
• Ease of use
• Pricing transparency
• Strengths and limitations
• Real-world email marketing use cases

No fluff. No generic “AI is amazing” claims.

1. Jasper AI

Website: https://www.jasper.ai

Jasper is one of the most well-known AI writing tools, and email copywriting is one of its strongest use cases.

Key Email Features

• Dedicated email templates
• Subject line and body generators
• Brand voice training
• Campaign-level content creation
• Integration with marketing workflows

Pros

• Consistently strong copy quality
• Excellent tone control
• Works well for promotional and newsletter emails
• Brand voice feature helps maintain consistency

Cons

• Higher price than many competitors
• Can feel overwhelming for beginners
• Requires good prompts for best results

Pricing

Plans typically start around $49 per month, with higher tiers for teams and brand voice features.

Best For

• Marketing teams
• Agencies
• Businesses sending high-volume campaigns

Real-World Tip

Use Jasper to create multiple versions of the same email angle. Then rewrite the final draft yourself to add personal context and real examples.

2. Copy.ai

Website: https://www.copy.ai

Copy.ai focuses on speed and simplicity. It’s popular with founders and solo marketers who want quick results.

Key Email Features

• Cold email generator
• Follow-up email templates
• Sales outreach sequences
• Simple tone controls

Pros

• Very easy to use
• Fast idea generation
• Strong for outbound emails
• Generous free plan

Cons

• Limited customization
• Output can sound generic if overused
• Not ideal for long newsletters

Pricing

Free plan available. Paid plans start around $49 per month.

Best For

• Cold email outreach
• Startups
• Freelancers doing sales emails

Real-World Tip

Use Copy.ai for first drafts only. Always personalize the opening line manually to avoid spam filters and generic intros.

3. Writesonic

Website: https://writesonic.com

Writesonic offers a wide range of content tools, including solid support for email copywriting.

Key Email Features

• Email generator and rewriter
• Subject line suggestions
• Multiple tone options
• Chat-based interface

Pros

• Affordable pricing
• Good balance of features
• Works for both marketing and sales emails

Cons

• Inconsistent tone sometimes
• Requires editing for polish
• Interface can feel cluttered

Pricing

Free trial available. Paid plans start around $20 per month depending on usage.

Best For

• Small businesses
• Budget-conscious marketers
• Mixed content needs

Real-World Tip

Ask Writesonic to rewrite your existing high-performing emails instead of creating new ones from scratch.

4. HubSpot AI Email Writer

Website: https://www.hubspot.com

HubSpot’s AI email writer is built directly into its CRM and marketing tools.

Key Email Features

• Sales email drafting
• Marketing email content
• CRM-based personalization
• Workflow integration

Pros

• Deep integration with CRM data
• Great for personalized sales emails
• No separate tool to manage

Cons

• Limited creative flexibility
• Requires HubSpot account
• Less control over long-form copy

Pricing

Included in HubSpot plans. Pricing varies based on HubSpot tier.

Best For

• Sales teams
• CRM-driven email campaigns
• B2B outreach

Real-World Tip

Let HubSpot handle personalization tokens, but write the emotional hook yourself.

5. Smartwriter

Website: https://www.smartwriter.ai

Smartwriter is built specifically for cold email personalization.

Key Email Features

• Hyper-personalized cold emails
• LinkedIn and website data usage
• Automated follow-ups

Pros

• Excellent personalization
• Saves research time
• Improves reply rates

Cons

• Narrow use case
• Less useful for newsletters
• Can feel repetitive at scale

Pricing

Plans usually start around $59 per month.

Best For

• Cold outreach campaigns
• Lead generation
• Sales reps

Real-World Tip

Always review personalization fields before sending. Automation mistakes stand out fast.

6. Lavender AI

Website: https://www.lavender.ai

Lavender focuses on improving sales emails, not just writing them.

Key Email Features

• Real-time email coaching
• Readability scoring
• Spam risk detection
• Inbox-side suggestions

Pros

• Excellent for improving existing emails
• Actionable feedback
• Strong sales focus

Cons

• Not ideal for long marketing emails
• Limited creative generation

Pricing

Free version available. Paid plans start around $29 per month.

Best For

• Sales professionals
• SDR teams
• Cold email optimization

Real-World Tip

Use Lavender after drafting your email in another tool to clean it up and improve clarity.

7. Mailchimp Content Optimizer

Website: https://mailchimp.com

Mailchimp includes AI tools directly inside its email platform.

Key Email Features

• Subject line optimization
• Copy suggestions
• Campaign insights

Pros

• Built-in to email platform
• Easy for beginners
• Data-backed suggestions

Cons

• Limited creativity
• Works only inside Mailchimp

Pricing

Included in Mailchimp plans. Pricing varies by list size.

Best For

• Small businesses
• Beginners
• Newsletter campaigns

Comparison Table

How to Choose the Right AI Email Tool

Ask yourself these questions before paying for anything:

• Are you writing sales emails, marketing emails, or both?
• Do you need personalization at scale?
• How important is brand voice?
• Do you want a standalone tool or CRM integration?
• How much editing are you willing to do?

If you send cold emails daily, focus on personalization tools. If you run campaigns, prioritize tone control and testing features.

Real-World Use Case Examples

Example 1: SaaS Founder

Uses Jasper to draft weekly product update emails, then edits them with personal insights and customer stories.

Example 2: Sales Rep

Uses Smartwriter for first-touch emails and Lavender to optimize replies.

Example 3: Freelancer

Uses Copy.ai to generate quick drafts for clients, then rewrites them to match each brand voice.

Practical Tips to Avoid Robotic Emails

• Never send AI output without editing
• Add specific details AI can’t know
• Keep sentences short and clear
• Read emails out loud before sending
• Use AI for structure, not personality

Frequently Asked Questions About AI Tools for Email Copywriting

Are AI email copywriting tools worth it?

Yes, if you use them correctly. AI tools help you write faster, generate more ideas, and test different angles without starting from scratch every time. They work best as writing assistants, not replacements. You still need to guide the message, edit the tone, and add real context.

Can AI write emails that actually convert?

AI can help improve conversions, but it won’t guarantee them. Strong results come when you combine AI-generated structure with human insight. The best-performing emails usually involve AI for drafts and variations, then manual edits to add emotion, clarity, and relevance.

Will AI-written emails sound robotic?

They can, if you send them without editing. Most AI tools default to safe, generic language. To avoid this, you should rewrite openings, add personal details, and simplify sentences. Reading the email out loud before sending helps catch anything that feels unnatural.

Are AI-generated emails bad for deliverability?

Not inherently. Spam filters don’t penalize emails just because AI helped write them. Deliverability issues usually come from poor personalization, spammy language, overuse of sales triggers, or bad sender reputation. Editing AI output carefully reduces these risks.

What is the best AI tool for cold email outreach?

For cold outreach, tools like Copy.ai, Smartwriter, and Lavender perform well. Copy.ai is good for fast drafts, Smartwriter excels at personalization, and Lavender helps optimize clarity and reply rates. The best choice depends on how much personalization and coaching you need.

What is the best AI tool for email marketing campaigns?

Jasper AI and Mailchimp’s AI tools are strong options for campaigns. Jasper offers more control over tone and brand voice, while Mailchimp works well if you already run newsletters and promotional emails inside its platform.

Can AI personalize emails at scale?

Yes, but with limits. AI can insert names, company details, and surface-level personalization. However, deep personalization still requires real research and thoughtful prompts. Always review personalized fields before sending at scale to avoid obvious mistakes.

Do I still need a copywriter if I use AI?

Yes, especially for strategy-heavy or brand-sensitive emails. AI speeds up execution, but it doesn’t replace understanding your audience, positioning your offer, or crafting a strong narrative. Many professionals use AI to enhance their copywriting, not replace it.

Are free AI email tools good enough?

Free plans work for testing and light usage. They’re fine for drafts, idea generation, and learning how AI fits into your workflow. For consistent, high-quality email writing, paid plans usually offer better control, tone consistency, and output quality.

How do I choose the right AI email copywriting tool?

Start by identifying your main use case. Cold outreach, newsletters, and sales emails all require different strengths. Then consider budget, ease of use, and how much editing you’re willing to do. One well-used tool is better than juggling five.

Can AI tools help with subject lines?

Yes. Most AI email tools are especially good at generating subject line ideas. They help you test multiple angles quickly, which improves open rates when combined with A/B testing and performance data.

Is it safe to use AI for client emails?

Yes, as long as you review everything before sending. Never rely on AI to send emails automatically without human oversight. Treat AI output as a draft, not a finished product.

Final Thoughts

AI tools won’t magically fix bad email strategy. But used thoughtfully, they help you write faster, test more ideas, and focus on what actually matters—connecting with the person reading your email.

Pick one tool that fits your workflow. Learn it well. And keep your human voice front and center.