You’re writing the same email to your entire list. You know you should be personalizing — different messages for new customers, repeat buyers, people who ghosted you three months ago. But who has time to write six versions of the same email?
That’s exactly the kind of repetitive, variation-heavy work where artificial intelligence (AI) shines.
What This Actually Looks Like
Say you run a small e-commerce shop selling skincare products. You’ve got customers who bought moisturizer but never tried your serum. Instead of blasting everyone with the same generic promo, you feed that segment info into an AI-powered email tool, and it drafts a re-engagement email with product recommendations specific to that group.
Then it does the same for your loyal repeat buyers. And your lapsed customers. And your new subscribers.
That used to require a dedicated email marketer or hours of your weekend. Now the AI drafts the variants, and you edit and approve them.
Tools That Do This (and What They Cost)
Pricing in this section was verified at the time of writing but changes frequently. Always check the vendor’s pricing page before you buy.
**Mailchimp’s Intuit Assist** generates subject lines and body copy tailored to your campaign goals and audience segments. It’s included starting with the Standard plan — check mailchimp.com/pricing for current rates, as Mailchimp has restructured pricing multiple times. The price scales up as your contact list grows. Intuit Assist features are also available on other plan tiers, though the depth of AI features varies by plan. Mailchimp does offer a free plan, but AI features may be limited to paid tiers — verify which features you actually get before assuming the free plan covers what’s described here.
**ActiveCampaign** offers AI content suggestions in its email builder. Their Starter plan is their entry-level option — pricing changes frequently, so check activecampaign.com/pricing for the latest.
**Klaviyo** goes further — it personalizes not just what the email says but *when* it’s sent to each recipient based on their past open and click behavior, plus which product recommendations appear in the body. Their free tier covers up to 250 active profiles and 500 sends per month as of this writing, though Klaviyo has been known to adjust these limits — confirm at klaviyo.com/pricing. Paid plans start just above the free tier threshold.
**Copy.ai** and **Jasper** are standalone AI writing tools that can generate dozens of subject line and call-to-action (CTA) variations for A/B testing. Copy.ai has restructured its pricing and plans multiple times — they previously offered a free tier, but this may have changed. Check copy.ai/pricing to see what’s currently available. Jasper does not offer a free tier; their pricing has also shifted through multiple restructurings, so check jasper.ai/pricing for current rates. Both tools can be used alongside your existing email platform — some offer browser extensions or limited integrations, but don’t expect seamless plug-and-play with every email service.
The Real Win: A/B Testing You’d Never Have Time For
Many small business owners test two subject lines — because that’s all they have time to write. AI lets you generate 10–15 variants in minutes, run them through your email platform’s built-in A/B testing, and let the data pick the winner. Over time, that compounds into a continuous optimization program that bigger companies often pay agencies significant monthly retainers to manage.
The Honest Catch
AI-generated email copy still needs a human editor. Generative AI frequently produces generic marketing-speak that can feel impersonal — ironic, given the whole point is personalization. The right workflow is “AI drafts, human edits and approves,” not “AI drafts, human hits send.” Skip the review step and you risk off-brand messaging or factual errors about your own products.
Your One Takeaway
Pick the tool that fits your budget and current email platform. Start with a single customer segment — your lapsed buyers are usually a good first test. Let the AI draft two or three email variations, edit them so they sound like you, and send. That’s it. You just did what a marketing team does, on a Tuesday afternoon, for the cost of a modest monthly subscription.
We have no affiliate relationships with any tools mentioned in this post. We recommend things we’d actually use, and we told you where to verify the costs yourself — because that’s how this should work.