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10 AI Email Marketing Tools That Write Your Campaigns for You

Draft newsletters and drip emails in minutes, with free plans to start

Jhanvi Shah Oct 24, 2026, 1:25 PM IST 4 min read

Let AI write your emails: cover for the best AI email marketing tools guide

Key Takeaways

Big free plan: Sender
Best for online stores: Klaviyo
Best Indian option: Zoho Campaigns
Best for WhatsApp too: Brevo

The 10 best AI email marketing tools in 2026 help you write subject lines, draft newsletters and set up drip campaigns in a few clicks. Here is what each one does, what the free plan gives you and what it costs.

Top 10 AI email marketing tools at a glance

Tool	Best for	Free plan
1. Mailchimp	All-round campaigns	Yes
2. Brevo	Email plus WhatsApp	Yes
3. MailerLite	Simple newsletters	Yes
4. ActiveCampaign	Smart automation	No
5. HubSpot	Email with a CRM	Yes
6. Klaviyo	Online stores	Yes
7. beehiiv	Paid newsletters	Yes
8. GetResponse	Funnels and webinars	Trial
9. Zoho Campaigns	Indian small business	Yes
10. Sender	Big free plan	Yes

Jump toMailchimp Brevo MailerLite ActiveCampaign HubSpot Klaviyo beehiiv GetResponse Zoho Campaigns Sender

The 10 best AI email marketing tools in 2026

1. Mailchimp

Covers email marketing and marketing automations, with AI marketing tools. Its Intuit Assist AI (beta, English only, in select countries) is listed on the Standard and Premium plans.

Best for: Small businesses wanting one familiar tool
Free plan: Yes, for up to 250 contacts and 500 sends a month
Price: Paid plans: Essentials, Standard and Premium; INR appears in the currency selector. Exact rates are on the Mailchimp pricing page
Website: mailchimp.com

2. Brevo

Brevo homepage showing an AI-powered customer platform, one of the best AI email marketing tools — Brevo website, October 2026

Combines email, SMS and WhatsApp in one place. Its AI tools help with subject lines, copy and send times.

Best for: Brands that also message on WhatsApp
Free plan: Yes, up to 300 emails a day
Price: Listed on the Brevo website
Website: brevo.com

3. MailerLite

MailerLite homepage showing the email campaign editor, one of the best AI email marketing tools — MailerLite website, October 2026

A clean drag and drop editor with automations, landing pages and an AI writing assistant. Its free plan is pitched at people just getting started with email.

Best for: Beginners and solo creators
Free plan: Yes, 250 subscribers and 2,500 emails a month
Price: Comfort from $12 a month, Power from $25 a month
Website: mailerlite.com

4. ActiveCampaign

ActiveCampaign homepage showing AI drafted campaigns, one of the best AI email marketing tools — ActiveCampaign website, October 2026

Strong automation, with AI that builds campaigns and flows for you. Every plan lists AI credits, and Plus adds AI content and image generation.

Best for: Growing teams with complex journeys
Free plan: No, but there is a 14-day free trial
Price: Starter, Plus, Pro and Enterprise; price depends on contacts and is shown on the ActiveCampaign pricing page
Website: activecampaign.com

5. HubSpot

HubSpot email marketing page showing AI generated subject lines, one of the best AI email marketing tools — HubSpot website, October 2026

Email tools that are built into HubSpot's CRM. HubSpot lists AI-generated subject lines and email copy, and simple workflows run the follow-ups.

Best for: Teams that want email and CRM together
Free plan: Yes, 2,000 email sends a month with HubSpot branding
Price: Starter from $7 per seat a month; prices show in USD
Website: hubspot.com

6. Klaviyo

Klaviyo homepage showing an AI marketing platform, one of the best AI email marketing tools — Klaviyo website, October 2026

Built for ecommerce. Its Composer AI agent creates flows and campaigns from a prompt, and the free plan includes $5 of Composer usage a month.

Best for: Online stores and D2C brands
Free plan: Yes, 250 profiles and 500 emails a month
Price: Listed on the Klaviyo website; prices show in USD
Website: klaviyo.com

7. beehiiv

A newsletter platform with a built-in editor, analytics, ads and monetisation. beehiiv lists in-editor AI on the Lite plan and above.

Best for: Creators growing a newsletter
Free plan: Yes, up to 2,500 subscribers
Price: Lite from $49 a month billed yearly for up to 1,000 subscribers
Website: beehiiv.com

8. GetResponse

GetResponse homepage showing an automation flow, one of the best AI email marketing tools — GetResponse website, October 2026

Email, automation, funnels, webinars and courses, with AI email and subject line generators. Starter allows only 3 uses of the AI tools; Marketer and higher plans include them.

Best for: Coaches and course sellers
Free plan: 14-day free trial, then a free version
Price: Starter from EUR 16 a month for 1,000 contacts on monthly billing (check the GetResponse pricing page)
Website: getresponse.com

9. Zoho Campaigns

Zoho Campaigns homepage showing AI-driven email marketing, one of the best AI email marketing tools — Zoho Campaigns website, October 2026

Email marketing from Zoho, a software company with large offices across India, with generative AI listed on the free plan. It plugs into the wider Zoho apps.

Best for: Indian small businesses using Zoho
Free plan: Yes, 2,000 contacts and 6,000 emails a month
Price: Paid plans by contact tier; INR is a listed currency
Website: zoho.com/campaigns

10. Sender

Sender homepage showing email marketing without the hassle, one of the best AI email marketing tools — Sender website, October 2026

A low-cost tool with a generous free plan, automation and SMS. There is no cost to get started.

Best for: Tight budgets and fast starts
Free plan: Yes, 2,500 subscribers and 15,000 emails a month
Price: Standard and Professional plans; prices are on the Sender pricing page
Website: sender.net

Final verdict on the best free AI tools for email marketing

Start with MailerLite, Sender or Zoho Campaigns if you want a free plan and a simple set-up. Pick Klaviyo for an online store, Brevo if WhatsApp matters, and ActiveCampaign when your automations get complex. Open two free plans, send a test campaign from each and keep the one you enjoy using.

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Frequently Asked Questions

What is the best free AI email marketing tool?

Sender has one of the biggest free plans: 2,500 subscribers and 15,000 emails a month. MailerLite, Zoho Campaigns and Brevo also have free plans, and Zoho lists generative AI on its free plan, so compare their limits before you pick.

Which AI email marketing tools have a free plan?

Mailchimp, Brevo, MailerLite, HubSpot, Klaviyo, beehiiv, Zoho Campaigns and Sender all list a free plan. ActiveCampaign offers a 14-day trial instead, and GetResponse gives a 14-day trial after which you can keep using a free version.

Which AI email marketing tools support Hindi?

The official pages do not confirm Hindi for the AI writers. Write a short Hindi email in the free plan or trial first and check how the AI and the editor handle it before you commit.

Which AI email marketing tools charge in rupees?

Mailchimp and Zoho Campaigns list INR as a currency option. HubSpot and Klaviyo show USD on their pricing pages, so check the final price at checkout.

What is the cheapest AI email marketing tool in India?

Zoho Campaigns and Sender are good low-cost picks, since both have free plans and Zoho lists INR as a currency. MailerLite paid plans start from $12 a month. Compare the price at your contact count.

Which free AI email marketing tools include AI on the free plan?

Zoho Campaigns lists generative AI on its free plan, and Klaviyo's free plan includes $5 of Composer AI usage a month. MailerLite lists its AI writing assistant on paid plans, and beehiiv lists in-editor AI only on the Lite plan and above.

What can AI do in email marketing?

AI can write subject lines and email copy, suggest audience groups, pick the best send time and build flows and campaigns from a prompt. You still review the message before sending, since tone and offers need a human check.

Which AI email marketing tool is best for ecommerce?

Klaviyo is built for online stores, with flows and campaigns created by its Composer agent. Brevo also suits shops, with ecommerce features and email, SMS and WhatsApp in one place, and GetResponse lists ecommerce integrations.

What is the best AI email marketing software for newsletters?

beehiiv is a newsletter platform with a built-in editor, analytics, ads and monetisation, and its free plan covers up to 2,500 subscribers. MailerLite suits beginners, with a free plan of 250 subscribers and 2,500 emails a month.

How to write email subject lines with AI?

Open the campaign editor in a tool such as Brevo, HubSpot or GetResponse and use its AI option for subject lines. Give it your offer and audience, then pick the best two options and A/B test them.

How to start email marketing with a free plan?

Sign up for a free plan, import your contacts with their permission, pick a template and let the AI draft the copy. Edit it in your own voice, send a test to yourself and then schedule the campaign.

How to set up a welcome email automation?

Choose the automation builder in your tool, set the trigger to a new subscriber and add one to three emails over a week. Let the AI draft each message, then edit and turn the automation on.