What is Klaviyo?

Content last verified May 4, 2026 · by the AI Tools Set Research Team

Klaviyo is a marketing automation platform for e-commerce specializing in email and SMS, with AI features for predictive analytics, send-time optimization, and content generation. It unifies customer data to power personalized, automated campaigns.

Online brands use it to segment customers, automate flows like abandoned cart and welcome series, and use AI to predict behavior and personalize messaging at scale.

Key Features of Klaviyo

Predictive AI: Churn risk, next order date, and LTV per customer.
AI content: Draft emails, subject lines, and SMS copy.
Smart segments: Audiences built from live store behaviour.

Use Cases for Klaviyo

Automate abandoned cart flows
Personalise campaigns
Predict customer value
Grow repeat revenue

Pros & Cons

Pros

✓

Best-in-class store data usage

✓

Powerful flows

✓

Free tier to start

Cons

✗

Costs scale with list size

✗

Setup depth takes time

Pricing

Free

$0 /mo

✓Up to 250 contacts

✓Email + SMS trial

✓Basic automation