Clay vs Klaviyo in 2026: B2B GTM data infrastructure vs B2C eCommerce CRM
Two Marketing Automation platforms that rarely compete for the same budget line. One is a 150+ provider data waterfall for outbound teams, the other is a built-in CDP for eCommerce lifecycle marketing.
Clay
Klaviyo- Clay connects 150+ data providers through a waterfall enrichment model. Klaviyo is not a data enrichment tool at all; its data layer is a built-in CDP for behavioral and transactional customer events.
- Klaviyo ships a native MCP server on every plan, including the free tier. Clay MCP is gated to Growth and Enterprise plans.
- Klaviyo covers omnichannel messaging out of the box: email, SMS, RCS, WhatsApp, and mobile push. Clay includes only a native email sequencer, with no SMS or WhatsApp steps.
- Clay prices by credit-consuming actions that vary by provider and operation. Klaviyo prices by active profile count, which scales differently depending on list size rather than usage volume.
- Clay includes unlimited seats on every plan, while Klaviyo does not charge per seat at all; its cost driver is contact volume, not headcount.
- For B2B outbound infrastructure and multi-provider data coverage, Clay. For eCommerce lifecycle marketing with a built-in CDP and omnichannel sends, Klaviyo.
Clay and Klaviyo both sit in the Marketing Automation category, but they solve almost entirely different problems. Clay is GTM data infrastructure: it connects to 150+ data providers through a waterfall, runs Claygent AI research agents against custom questions, and lets ops teams build outbound workflows in plain English through Sculptor. Klaviyo is a B2C CRM built for eCommerce, with a native customer data platform processing 2.5 billion events a day, omnichannel campaigns across email, SMS, WhatsApp, and push, and AI agents that write campaigns and handle customer service. If your work is B2B prospecting and enrichment, Clay is the obvious fit. If your work is running lifecycle marketing for a Shopify or WooCommerce store, Klaviyo is built for exactly that.
The tools at a glance
Clay
GTM data infrastructure that connects 150+ data providers, runs AI research agents, and builds outbound workflows in natural language.
Clay is a GTM data infrastructure platform built for revenue teams that need to pull from many data sources without committing to a single vendor. The waterfall model queries up to 150+ providers in priority order until it finds a verified match, and Claygent, Clay's AI research agent, fills in custom data points that no structured provider covers.
Sculptor, the natural language workflow builder, lets non-technical operators describe a GTM play in plain text and have Clay generate the table logic and enrichment steps behind it. A native email sequencer and an Audiences feature that syncs to LinkedIn, Meta, and Google close the loop from research to activation, though there is no SMS, WhatsApp, or call channel built in.
Pricing runs on a credit model: actions consume credits at different rates depending on the provider or AI operation involved. The free plan caps tables at 200 rows, Launch starts at $167 per month, Growth at $446 per month adds CRM sync and audience activation, and Enterprise is custom. Every tier, including free, includes unlimited seats.
| Feature | Free $0/mo | Launch $167/mo | Growth $446/mo | Enterprise Contact |
|---|---|---|---|---|
| Data providers | 150+ via waterfall | 150+ via waterfall | 150+ via waterfall | 150+ via waterfall |
| Claygent AI research | Yes | Yes | Yes | Yes |
| Sculptor workflow builder | Yes | Yes | Yes | Yes |
| Native email sequencer | Yes | Yes | Yes | Yes |
| Audience sync (LinkedIn/Meta/Google) | No | No | Yes | Yes |
| CRM sync + Clay MCP | No | No | Yes | Yes |
| Table row limit | 200 rows | Unlimited | Unlimited | Unlimited |
Klaviyo
The autonomous B2C CRM unifying customer data, AI agents, and omnichannel campaigns in one platform.
Klaviyo is an autonomous B2C CRM built for eCommerce brands. Its Klaviyo Data Platform is a built-in CDP that processes 2.5 billion events and 1.6 billion API calls per day across 7.3 billion customer profiles, powering real-time segmentation without a separate data warehouse.
Campaigns run across email, SMS, RCS, WhatsApp, mobile push, and social from a single automation builder. K:AI brings two agents: Marketing Agent, which reads your website and builds campaigns and flows autonomously, and Customer Agent, which handles support queries around the clock and Klaviyo reports resolves 65% of them without a human. A native MCP server, available on every plan including free, exposes Klaviyo data directly inside Claude or ChatGPT.
Pricing scales by active profile count rather than seats or actions. The free plan covers 250 profiles and 500 sends a month, Email plans start around $20 a month, Email plus SMS starts around $35 a month, and Enterprise is custom. The Shopify integration is the deepest in the category, with behavioral data flowing in natively to power abandoned cart, post-purchase, and win-back flows.
| Feature | Free $0/mo | Email From ~$20/mo | Email + SMS From ~$35/mo | Enterprise Custom |
|---|---|---|---|---|
| Built-in CDP | Yes | Yes | Yes | Yes |
| K:AI Marketing Agent | Yes | Yes | Yes | Yes |
| Customer Agent | No | No | Add-on | Yes |
| MCP server access | Yes | Yes | Yes | Yes |
| Omnichannel (SMS/WhatsApp/push) | Limited | No SMS | Yes | Yes |
| Active profiles | 250 | Scales by list size | Scales by list size | Custom |
| Advanced CDP features | No | No | No | Yes |
Head-to-head feature comparison
| Feature | Clay | Klaviyo |
|---|---|---|
| Primary use case | B2B GTM data infrastructure and enrichment | B2C eCommerce CRM and omnichannel marketing |
| Data provider / enrichment breadth | 150+ providers via waterfall | Not applicable (not a data enrichment platform) |
| AI research or campaign agent | Claygent AI research agent | K:AI Marketing Agent and Customer Agent |
| Native MCP server | Yes (Growth plan and above) | Yes (all plans, including free) |
| Omnichannel messaging (SMS/WhatsApp/push) | No (email sequencer only) | Yes (SMS, RCS, WhatsApp, mobile push) |
| Built-in CDP | No | Yes (Klaviyo Data Platform) |
| Natural language workflow builder | Yes (Sculptor) | No (Marketing Agent builds from a URL, not a prompt) |
| Audience sync to ad platforms | Yes (LinkedIn, Meta, Google, Growth plan and above) | No |
| CRM integration | Yes (Salesforce, Growth plan and above) | Yes (350+ integrations including Shopify, WooCommerce) |
| Free tier | Yes (200-row limit) | Yes (250 profiles) |
| Pricing model | Credit-based, varies by provider/operation | Per active profile |
| API access | Bring-your-own API key model | Yes (open REST API, all plans) |
| Starting price | $0 free / $167/mo Launch | $0 free / ~$20/mo Email |
Which should you choose?
ClayKlaviyoKlaviyoClayKlaviyoClayKlaviyoClay and Klaviyo overlap on paper because both carry the Marketing Automation label, but the actual workflows barely intersect. Clay is infrastructure for finding and researching B2B accounts and contacts before you ever send a message. Klaviyo is the messaging and lifecycle layer for a B2C customer base you already have inside a store. A revenue team doing both B2B outbound and eCommerce retention would reasonably run both tools at once rather than choosing between them.
Bottom line
Pick Clay if your job is building and enriching B2B account and contact data before outreach, and you want one waterfall instead of five separate vendor contracts. Pick Klaviyo if your job is running lifecycle marketing for an eCommerce store and you want a built-in CDP, omnichannel sends, and AI-generated campaigns without a separate data warehouse. Most teams that need both will not find a real conflict since the two tools rarely touch the same workflow.
Frequently asked questions
Are Clay and Klaviyo actually competitors?
Not really. Clay is B2B GTM data infrastructure for enrichment and outbound research, while Klaviyo is a B2C CRM for eCommerce lifecycle marketing. They both fall under the Marketing Automation category but serve different teams solving different problems, and many companies could reasonably use both at once.
Does Clay have anything like Klaviyo's built-in CDP?
No. Clay does not maintain a persistent customer data platform the way Klaviyo does. Clay pulls and enriches data on demand through its 150+ provider waterfall and Claygent research agent, but it is not built to unify real-time behavioral events the way Klaviyo's Klaviyo Data Platform does.
Which tool has better AI agent access for Claude or ChatGPT users?
Klaviyo includes its native MCP server on every plan, including the free tier, so any user can connect Klaviyo data to Claude or ChatGPT immediately. Clay MCP is limited to Growth and Enterprise plans, so smaller teams on Clay's Free or Launch tiers do not get the same access without upgrading.
Can Klaviyo replace Clay for B2B lead enrichment?
No. Klaviyo has no data provider waterfall, no B2B contact enrichment, and no equivalent to Claygent's custom research capability. It is built around eCommerce customer profiles and events, not B2B prospecting data, so teams needing account or contact enrichment should look at Clay instead.
How do the pricing models differ between Clay and Klaviyo?
Clay charges by credit-consuming actions that vary in cost depending on the data provider or AI operation, with unlimited seats on every plan. Klaviyo charges by active profile count regardless of seats, so a small team with a large contact list pays more on Klaviyo, while a large team with a small enrichment workload pays more on Clay relative to seats used.