Introduction: Why Open Rates Matter More Than Ever
Email marketing is still one of the most powerful ways to connect with people. But here’s the truth—just sending emails isn’t enough anymore.
Your email has to stand out in a crowded inbox, and that starts with writing something people want to open.
Think about it—how many times do you check your inbox, see a boring subject line, and skip the email without opening it? Your audience does the same.
The challenge?
Not everyone is a natural writer, and even if you are, coming up with fresh ideas for subject lines and content every week can be exhausting.
That’s where AI email writers come to the rescue. They can:
- Suggest catchy subject lines
- Personalize emails for each person
- Make your content sound friendly and engaging
- Save you hours of writing time
In this guide, we’ll talk about 7 fierce AI email writers that can help you write better emails, get more opens, and keep your audience excited to read what you send.
1. Jasper AI – Your Creative Writing Partner
Best for: Marketers who want creative, engaging emails.
Jasper AI is one of the most popular AI writing tools right now. It’s not just for blogs—it’s great for email writing too.
You can tell Jasper your topic, audience, and the kind of email you want, and it will create:
- Catchy subject lines
- Short and punchy email copy
- Full long-form emails if you need them
Why it works:
Jasper has email-specific templates. That means you don’t have to start from scratch. You can pick “cold email,” “follow-up email,” or even “welcome email” templates and just add your details.
Pro tip: Use Jasper’s “Tone of Voice” option to make your emails match your brand personality—whether that’s fun, professional, or friendly.
2. Copy.ai – Fast and Simple
Best for: Quick email creation without overthinking.
If you hate staring at a blank page, Copy.ai is a lifesaver. You just:
- Pick the type of email you want
- Add some short details
- Click “Create,” and the AI gives you multiple versions
You can instantly choose the one you like, or mix and match lines from each version.
Why it works:
Copy.ai is fast and easy. You don’t have to be a tech expert to use it. The tool focuses on giving you ready-to-send content in minutes.
Pro tip: Generate 3–4 different subject lines and test which one gets the most opens.
3. Writesonic – The Creative All-Rounder
Best for: Emails that sound natural and friendly.
Writesonic is known for making AI-generated content sound more human. It can write:
- Fun promotional emails
- Warm welcome messages
- Casual newsletters
You can also ask it to write multiple variations of your email so you can A/B test them.
Why it works:
Its strength is tone. Writesonic makes emails feel like they’re written by a real person, which is exactly what readers respond to.
Pro tip: Use Writesonic’s email sequence feature to create a full set of emails for a campaign instead of just one.
4. Rytr – Budget-Friendly and Simple
Best for: Small businesses and beginners.
If you don’t want to spend too much money on AI tools, Rytr is a good option. It’s affordable but still gives you great results.
You can:
- Choose your email format
- Add a few details
- Get a ready draft in seconds
Why it works:
Rytr is simple—no complicated features to learn. You can get professional-looking emails even if you’ve never used an AI tool before.
Pro tip: Try different “tone” settings like “enthusiastic” or “convincing” to make your subject lines pop.
5. Smartwriter.ai – Personalization King
Best for: Emails that feel 1-on-1 instead of mass-sent.
Smartwriter.ai takes personalization to the next level. It can:
- Pull details about your audience from public data
- Mention specific facts about the person or company in the email
- Write emails that feel like they’re custom-made
Why it works:
Personalized emails get more opens because people can tell they weren’t just part of a big copy-paste blast.
Pro tip: Use Smartwriter.ai for outreach emails—it’s amazing for cold emailing potential clients.
6. Anyword – Data-Driven Writing
Best for: Marketers who want to know what will work before sending.
Anyword is different from most AI tools because it actually predicts how well your email will perform.
It gives your subject lines and body text a performance score, so you can choose the one with the highest chance of success.
Why it works:
It’s like having a marketing expert look over your shoulder and tell you what’s most likely to work.
Pro tip: Always create 3–5 versions and pick the one with the top score for better results.
7. Flowrite – Email Reply Supercharger
Best for: People who send and reply to emails all day.
Flowrite is perfect if you’re replying to a lot of emails. You just:
- Write short bullet points
- Flowrite turns them into a full professional email
Why it works:
It’s a massive time-saver for busy professionals. You don’t have to spend time thinking about wording—Flowrite makes it sound polished automatically.
Pro tip: Use Flowrite for customer service or client communication to speed up your workflow.
How to Choose the Right AI Email Writer
With so many options, here’s how you can decide:
- Think about your goal – Do you need quick content, or do you want deep personalization?
- Check your budget – Some tools are free or cheap, while others are premium.
- Test for tone – Pick the tool that matches your brand voice.
- Look at extra features – Like A/B testing, analytics, or personalization.
Best Practices for Using AI Email Writers
AI is powerful, but it works best when combined with your own human touch.
Here’s how to make the most of these tools:
- Always edit before sending – AI can give you a great base, but adding your personal style makes it better.
- Keep it short and clear – People don’t read long emails unless they really care.
- Use power words in subject lines – Words like “free,” “limited,” or “exclusive” grab attention.
- Add a clear CTA (Call to Action) – Tell people exactly what to do next.
Final Thoughts
The world of email marketing is changing fast, and AI tools are here to help you keep up.
Whether you want quick and easy content (Copy.ai, Rytr), deep personalization (Smartwriter.ai), or data-backed results (Anyword), there’s a tool for you.
The best part? You don’t have to be a pro writer to create great emails anymore. These 7 fierce AI email writers can give you the ideas, structure, and style you need to boost your open rates—and keep your readers excited to hear from you.