Best AI email marketing tools in 2026

TL;DR. We ranked AI email marketing tools on canvas speed, store data, and agent path. Brew leads for SaaS, modern teams and teams using agents. Klaviyo leads ecommerce.

Best AI email tools composite ranking
RankToolBest forAI designAutomationsSendingComposite
1BrewTeams that want on-brand email, prompt-built automations, and an ESP agents can operate96929093.1
2KlaviyoShopify and WooCommerce brands that need commerce data, flows, and predictive segmentation88909289.7
3Customer.ioSaaS teams with clean event instrumentation and complex behavioral journeys85948688.4
4BrazeLarge teams that need cross-channel orchestration at scale with governance78888984.3
5HubSpotB2B teams that want email tied to contacts, deals, and sales workflows82828482.5
6LoopsStartups that want one lightweight stack for product and marketing email76807877.9
7MailchimpSmall businesses that want a recognizable, multi-channel starting point72748275.2
8ResendEngineering teams that send transactional and product email through code68708573

Methodology on our scoring rubric. Category-specific rankings: AI design, automations, sending.