Autoklose vs Klaviyo in 2026: B2B outbound database vs B2C retention CRM
One is a sales engagement tool with a built-in prospect database for cold outreach. The other is a 7.3-billion-profile customer data platform built for eCommerce lifecycle marketing.
Autoklose
Klaviyo- Autoklose includes a built-in B2B lead database for cold outreach. Klaviyo has no prospecting database; it is built to message customers you already have.
- Klaviyo processes 2.5 billion events per day through its own customer data platform. Autoklose has no comparable real-time behavioral data layer.
- Autoklose does not publish pricing and requires a sales conversation. Klaviyo has a free plan for up to 250 profiles and public pricing that scales with contact count.
- Klaviyo ships a native MCP server so teams can query customer and campaign data directly from Claude or ChatGPT. Autoklose has no equivalent AI data access layer.
- Autoklose is part of the VanillaSoft ecosystem, giving it CRM and call management ties that Klaviyo does not offer.
Autoklose and Klaviyo both call themselves marketing automation platforms, but they solve opposite problems. Autoklose is built for sales teams cold-emailing prospects they have never spoken to, and it bundles a B2B lead database so reps do not need a separate data subscription. Klaviyo is built for eCommerce brands messaging customers who already bought something, with a real-time customer data platform processing 2.5 billion events a day across email, SMS, WhatsApp, and mobile push. Comparing them side by side only makes sense if you are trying to decide whether your business needs outbound prospecting or retention marketing, since almost nobody needs both from the same vendor.
The tools at a glance
Autoklose
Email automation platform with a built-in B2B lead database, letting sales teams reach thousands of prospects from a single tool.
Autoklose is a sales engagement platform aimed at B2B teams doing cold outbound. The built-in lead database means a rep can search for prospects by industry, title, and company size, then drop them straight into a sequence without ever touching a second tool for data.
As part of VanillaSoft, Autoklose plugs into a broader sales engagement stack that includes call management and lead routing, which matters for teams already running VanillaSoft for other parts of their process.
The catch is that pricing is not public. You have to talk to sales before you know what any of this costs, which puts it at a disadvantage against tools that let you self-serve a decision in ten minutes.
| Feature | Starter Contact for pricing | Small Business Contact for pricing | Enterprise Contact for pricing |
|---|---|---|---|
| Email sequence automation | Yes | Yes | Yes |
| Built-in lead database | Yes | Yes | Yes |
| Team collaboration | No | Yes | Yes |
| CRM integrations | No | Yes | Yes |
| Dedicated support | No | No | Yes |
Klaviyo
The autonomous B2C CRM unifying customer data, AI agents, and omnichannel campaigns in one platform.
Klaviyo is built around a customer data platform that unifies behavioral, transactional, and engagement data in real time across 7.3 billion profiles. That data layer is what drives its segmentation, its predictive analytics, and its flow triggers, none of which Autoklose has an equivalent for since it is not built to track post-purchase behavior at all.
The K:AI Marketing Agent reads your website and builds launch-ready campaigns and flows without prompting, while Customer Agent resolves 65% of support questions autonomously using the same underlying customer data.
Klaviyo is priced by active profile count rather than by seat, which means a store with a large but low-engagement list can end up paying more than expected. The free plan covering 250 profiles is a genuine starting point, though, with no sales call required.
| Feature | Free $0/mo | Email From ~$20/mo | Email + SMS From ~$35/mo | Enterprise Custom |
|---|---|---|---|---|
| Marketing Agent (K:AI) | Yes | Yes | Yes | Yes |
| Customer Agent | No | No | Add-on | Yes |
| Built-in CDP | Yes | Yes | Yes | Yes |
| Mobile message credits | 150 | Not included | Included | Included |
| MCP server access | Yes | Yes | Yes | Yes |
Head-to-head feature comparison
| Feature | Autoklose | Klaviyo |
|---|---|---|
| Built-in prospecting database | Yes (built-in B2B database) | No |
| Customer data platform (CDP) | No | Yes |
| Email sequence automation | Yes | Yes |
| SMS / mobile push | No | Yes |
| AI campaign generation | No | Yes (K:AI Marketing Agent) |
| AI customer service agent | No | Yes (Customer Agent) |
| MCP / AI tool integration | No | Yes (native MCP server) |
| Free tier | No | Yes (250 profiles) |
| Public pricing | No | Yes |
| CRM ecosystem tie-in | Yes (VanillaSoft) | No |
| Starting price | Contact for pricing | $0/mo |
Which should you choose?
AutokloseKlaviyoAutokloseKlaviyoKlaviyoKlaviyoThese two tools barely compete for the same budget in practice. Autoklose is for sales teams who need to find and email people who have never heard of them. Klaviyo is for eCommerce brands who need to keep messaging people who already bought something, using data the store already owns. The only teams that genuinely need to choose between them are hybrid B2B2C operations running both outbound sales and a retail storefront, and even then, most end up running both tools rather than picking one.
Bottom line
Pick Autoklose if you are building B2B pipeline from a cold list and want the prospect database bundled into the sequencer, and you are comfortable getting pricing through a sales call. Pick Klaviyo if you run an online store and need segmentation, flows, and AI-generated campaigns built on real customer behavior data, starting free at 250 profiles. If your business genuinely needs both outbound prospecting and retention marketing, budget for two separate tools rather than expecting either one to cover the other.
Frequently asked questions
Is Autoklose or Klaviyo better for a small eCommerce store?
Klaviyo is the clear choice for eCommerce. It has a native Shopify and WooCommerce integration, a free plan for up to 250 profiles, and pre-built flows for abandoned cart and post-purchase sequences. Autoklose has no eCommerce-specific features and is built for B2B cold outreach instead.
Does Autoklose have anything like Klaviyo's customer data platform?
No. Autoklose does not have a customer data platform or real-time behavioral tracking. Its core data asset is a built-in B2B lead database for finding new prospects, which is a different function from Klaviyo's CDP that unifies existing customer behavior across touchpoints.
Why does Autoklose not publish pricing while Klaviyo does?
Autoklose sells through a sales-led, demo-first process typical of B2B sales engagement tools, so pricing requires a conversation. Klaviyo is self-serve and eCommerce-focused, where buyers expect to sign up and see costs immediately, so it publishes tiered pricing starting at $0 for 250 profiles.
Can Klaviyo be used for B2B cold outreach instead of Autoklose?
Not really. Klaviyo has no prospecting database and its segmentation logic is built around existing customer and website behavior data, not cold contacts you have never engaged with. Teams doing B2B cold outbound need a tool like Autoklose that includes prospect sourcing.
Does either tool integrate with AI assistants like Claude or ChatGPT?
Klaviyo does, through a native MCP server available on every plan that exposes customer and campaign data directly to Claude, ChatGPT, and other MCP-compatible tools. Autoklose has no documented AI assistant integration of this kind.