| Data foundation | Built in CDP with identity resolution, custom objects, and catalog ingestion with consent and governance
| Klaviyo's product catalog and recommendation capabilities are more limited.
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| AI depth
| Predictive audiences, churn and propensity models, 100+ product and content recommendation strategies, agentic optimization, generative assist
| Predictive send time and targeting. Basic AI for product recommendations
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| Personalization
| Dynamic 1:1 recommendations across channels with merchandising controls and catalog context
| Template driven recommendations and flow personalization for email and SMS
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| Journey orchestration
| Lifecycle builder that mixes real time signals with predictive decisions across channels
| Powerful flow builder for email and SMS with event driven triggers for ecommerce |
| Channels | Email, SMS, push, in app, web, paid media, direct mail, IVR
| Primarily email and SMS with some push
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| Commerce support
| Multi product and SKU programs, transactional triggers, price drop and back in stock, complex catalog scenarios | Strong ecommerce focus for small to mid sized catalogs. Less suited for very large SKU counts or complex catalogs
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| Integrations and APIs
| 100+ integrations, reverse ETL, APIs, webhooks, warehouse connectivity, product catalog sync | 350+ integrations with strong ecommerce ecosystem including Shopify and BigCommerce
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| Analytics | Cohort and journey analytics, attribution, predictive forecasts, product level insights | Robust segmentation reports with channel and campaign analytics
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| A/B and multivariate testing | Built in, AI assisted testing across segments, timing, and content | Built in A/B testing primarily for email |
| Campaign Optimizer Agent | Predictive timing, channel selection, and dynamic recommendations that adapt journeys in real time
| Predictive send time and targeting. Limited native optimization for dynamic content
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| Ease of use
| Marketer first with templates. Advanced AI features benefit from guided onboarding
| User friendly and fast to launch for email and SMS teams
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| Scalability | Mid market to enterprise scale with large data volumes and global programs
| Scales well for SMB and mid market ecommerce brands |
| Privacy and compliance | GDPR, CCPA, SOC 2, HIPAA options with granular retention and access controls
| GDPR and CCPA compliant with data handling controls
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| Pricing and TCO
| Modular pricing that consolidates CDP, AI, and orchestration for predictable scaling | Tiered pricing by contacts and messages. Cost efficient for smaller lists
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| Vendor openness | Proprietary but interoperable with exports, warehouse connectivity, and open APIs
| Proprietary with a wide third party integration marketplace |
| Support and community | Enterprise consultative onboarding and support for complex teams | Large community, knowledge base, and responsive support
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