Best of

Best AI Email Marketing Tools

Email marketing platforms have folded AI into the parts of the job that used to eat the most time: drafting subject lines and body copy, picking send times, and tailoring messages to how each contact behaves. The tools in this roundup all do that, but they aim at different jobs, from broadcasting newsletters to running high-volume cold outreach.

We picked based on what each platform is actually built for and where its pricing makes sense, then weighed the maturity of its AI assistance. Two of the three are broad, all-in-one platforms with a built-in CRM and automation; the third is a specialist for outbound cold email where deliverability is the main concern.

Read the picks by your use case rather than by score alone. A small business sending newsletters and automated flows wants a different tool than a sales team or agency running cold sequences at scale.

Last updated June 22, 2026

Top pick: Brevo — Brevo prices by emails sent rather than contacts stored, which can be cheaper for large lists with moderate send volume, and it bundles emai...

Quick comparison

#	Tool	Pricing	Starts at	Best for	Rating
1	Brevo	Freemium	USD 9	Small business, E-commerce,...	★ 4.3	Visit →
2	Mailchimp	Freemium	USD 13	Small business, E-commerce,...	★ 4.1	Visit →
3	Instantly	Paid	USD 37	Agencies, SaaS, Startups, Ma...	★ 4.4	Visit →

The ranked list

Brevo

Best overall value Freemium

Brevo prices by emails sent rather than contacts stored, which can be cheaper for large lists with moderate send volume, and it bundles email, SMS, automation, and a built-in CRM in one platform with AI to draft and improve campaign copy.

✓Volume-based pricing can be cheaper for big lists
✓Multi-channel email and SMS
✓Generous free tier

✕Daily send cap on the free plan
✕Interface can feel dense at first

Visit Brevo → Read review

Mailchimp

Best for beginners Freemium

Mailchimp is an approachable all-in-one with a free tier, AI that drafts subject lines and creative and recommends send times, plus automation journeys and a lightweight CRM, though costs rise quickly as your list grows.

✓All-in-one email marketing platform
✓Helpful AI content and optimization
✓Approachable for beginners

✕Costs rise quickly with list size
✕Advanced automation gated to higher tiers

Visit Mailchimp → Read review

Instantly

Best for cold outreach Paid

Instantly is a specialist for high-volume outbound, pairing unlimited sending accounts and deliverability tooling like warm-up and rotation with AI that writes and optimizes sequences, best for sales teams and agencies rather than newsletter senders.

✓Built for high-volume cold outreach
✓Strong deliverability focus
✓AI helps write and optimize sequences

✕Cold email requires careful compliance
✕No permanent free plan

Visit Instantly → Read review

Buying guide: how to choose

How to choose

Start with the kind of email you send. For newsletters, automated journeys, and transactional flows to an opted-in list, an all-in-one platform like Brevo or Mailchimp fits. For outbound cold email to prospects, a deliverability-focused tool like Instantly is the right shape, and you take on the compliance work that cold outreach requires.

Check how pricing scales against your list and sending pattern. Mailchimp and Brevo both have free tiers, but Mailchimp scales by contacts while Brevo prices by emails sent, which can be cheaper for a large list with moderate send volume. Brevo's free plan carries a daily send cap. Instantly has no permanent free plan; its trial leads to paid tiers that scale by sending accounts and contacts.

Decide how much you need beyond email. Brevo and Mailchimp both bundle a lightweight CRM, automation, and segmentation, and Brevo adds SMS for multi-channel campaigns. Treat the AI features as assistance rather than the deciding factor: across these tools the AI drafts copy and optimizes sends, and the output still needs a brand-voice edit before it ships.

Frequently asked questions

: Brevo is a strong free option (free plan with paid upgrades). Brevo is a marketing platform for email, SMS and automation with AI features for writing campaigns and optimizing sends. Its generous free tier and pay-as-you-go sending make it popular with small businesses.
: Paid plans in this list start from around USD 9 per month, and several options offer free or freemium tiers.
: Our current top picks are Brevo, Mailchimp and Instantly. The best choice depends on your budget, team size and the specific tasks you need to automate — use the comparison table above to weigh pricing and features side by side.