Comparison · Last updated August 2026
Klaviyo AI vs Omnisend
Klaviyo AI vs Omnisend compared on pricing, features and fit. Independent August 2026 review from ToolChase.
Quick specs
| Klaviyo AI | Omnisend | |
|---|---|---|
| ToolChase score | 4.4/5 | Not stated |
| Pricing model | Freemium | Not stated |
| Entry pricing | Email plan: Starts at $20/month for 500 contacts, scaling to ~$130/month at 10,000 contacts... | Free is $0 for up to 250 contacts and 500 emails a month plus 500 web pushes, with the platform's basic features... |
| Category | Marketing | Marketing |
What each tool is
Klaviyo AI
Klaviyo is the dominant email and SMS marketing platform for ecommerce merchants, powering marketing automation for hundreds of thousands of Shopify, WooCommerce, BigCommerce, and Magento stores. Klaviyo AI is the suite of machine learning features built into the platform: predictive analytics (customer lifetime value, churn risk, next purchase date), AI-powered audience segmentation, AI content generation for email subject lines and body copy, smart send-time optimization, automated flow suggestions, and product r
Omnisend
Omnisend is a marketing automation platform built for ecommerce stores. Email campaigns, SMS and web push notifications run from a single dashboard, with automation workflows for the store lifecycle: welcome series, abandoned cart, post-purchase and similar revenue flows. It integrates natively with Shopify, Shopify Plus, BigCommerce, WooCommerce, WordPress, Wix, Shoplazza and Ecwid, and claims more than 200 integrations overall and 150,000-plus ecommerce brands as customers. AI shows up throughout: an AI form buil
Pricing compared
Klaviyo AI: Free plan: Up to 250 active profiles and 500 emails per month. Includes 150 mobile messaging credits per month. Best for small businesses and startups testing marketing automation. Email plan: Starts at $20/month for 500 contacts, scaling to ~$130/month at 10,000 contacts, ~$400/month at 25,000 contacts, and ~$1,350/month at 100,000 contacts. Pricing is driven by total active profiles, not contacts emailed. Email + SMS plan: Starts at $35/month for 500 contacts + 1,250 SMS credits. Includes everything in Email plus two-way SMS conversations, smart sending (preventing over-messaging across chan
Omnisend: Omnisend prices scale with contact count; figures below are the entry tiers. Free is $0 for up to 250 contacts and 500 emails a month plus 500 web pushes, with the platform's basic features, Forms AI and Reports AI included. Standard starts at $11.20/month for up to 500 contacts and 6,000 emails a month with unlimited web push, advanced segmentation and dynamic content. Pro starts at $41.30/month for up to 2,500 contacts with unlimited monthly emails, AI-powered personalization, a personalized product recommender and personalized send times; SMS is metered from about $0.007 per message dependi
Pricing verified August 2026. Vendors change tiers often, so confirm on the official pricing pages before purchase.
Key features
Klaviyo AI
- AI-powered email and SMS content generation
- Predictive customer lifetime value, churn, and next purchase date
- Automated audience segmentation with ML-based clustering
- Smart send-time optimization for individual recipients
- Product recommendations personalized to customer history
- Pre-built automation flows (abandoned cart, welcome, win-back)
- Deep integration with Shopify, WooCommerce, BigCommerce, Magento
- A/B testing and multi-variate campaign optimization
Omnisend
- Email, SMS and web push campaigns from one dashboard
- Automation workflows for welcome, abandoned cart and post-purchase revenue flows
- Native integrations with Shopify, Shopify Plus, BigCommerce, WooCommerce, WordPress, Wix, Shoplazza and Ecwid
- AI form builder and AI audience segmentation
- AI-driven insights and reporting on platform data
- AI copy assistance for campaigns
- Personalized product recommender and send-time optimization on Pro
- Free 5-day migration service from other platforms
Pros and cons
Klaviyo AI
Strengths
- Deepest ecommerce data integration in the email marketing category
- Generous free plan for small businesses and testing
- Strong predictive analytics (CLV, churn, next purchase)
- Email + SMS unified in one platform with smart sending
Limitations
- New total-profiles billing model increases cost for large unused lists
- Overkill for B2B or service businesses
- Pricing scales aggressively at higher contact tiers
Omnisend
Strengths
- Ecommerce-native: the automation library is built around store revenue flows, not generic drips
- Email, SMS and push in one subscription instead of three tools
- Free tier includes the AI form and reporting features rather than gating them
- Vendor claims up to 35% cost savings against Klaviyo, and undercuts it at entry tiers
- Free migration service lowers the switching cost that keeps stores on incumbents
Limitations
- Free tier caps at 250 contacts and 500 emails a month, evaluation-sized only
- Contact-scaled pricing means costs climb with list growth, as on every platform in this class
- Built for stores: content creators and B2B teams get little from the product recommender and lifecycle flows
- Enterprise-grade controls (dedicated management, custom compliance tooling) are not the pitch
- SMS is metered separately on top of plan pricing
Which should you choose?
Choose Klaviyo AI if these matter most to you: Deepest ecommerce data integration in the email marketing category; Generous free plan for small businesses and testing.
Choose Omnisend if these matter more: Ecommerce-native: the automation library is built around store revenue flows, not generic drips; Email, SMS and push in one subscription instead of three tools. Our review lists it as a fit for: Ecommerce stores on Shopify, WooCommerce or BigCommerce that want email, SMS and push automation under one roof at a lower entry price than Klaviyo.
Still unsure? See every option ranked in Klaviyo AI alternatives and Omnisend alternatives.
Frequently asked questions
Is Klaviyo AI or Omnisend cheaper?
Klaviyo AI: Email plan: Starts at $20/month for 500 contacts, scaling to ~$130/month at 10,000 contacts, ~$400/month at 25,000 contacts, and ~$1,350/month at 100,000 contacts.. Omnisend: Free is $0 for up to 250 contacts and 500 emails a month plus 500 web pushes, with the platform's basic features, Forms AI and Reports AI included.. Check both vendor pricing pages before buying, since tiers change often.
What pricing model do Klaviyo AI and Omnisend use?
We list Klaviyo AI as Freemium and Omnisend as not categorised. The tier detail above is taken from each vendor's own pricing page as at August 2026.
Which is better, Klaviyo AI or Omnisend?
Neither wins outright. On our August 2026 review Klaviyo AI scores 4.4/5 and Omnisend scores None/5, and the right pick depends on the use case set out above. Both entries are independently reviewed.