HubSpot vs Klaviyo

HubSpot — Application · Public · $13B mkt cap · 4 of 4 figures sourced  |  Klaviyo — Application · Public · $5.5B mkt cap · 4 of 4 figures sourced

Relationship

Content Agent and Composer do comparable work on marketing content; smaller scale (public).

Assembled from the recorded fields for this pair, not hand-checked. The comparison below is read from each company’s own profile.

3 of 11 capabilitiesShared product typeSmaller scale

3 of 11 capabilities — Shares customer support, marketing content and workflow automation.

Ludbee capability tags · from the product records

Shared product type — Both ship AI agent and application.

Ludbee product records

Smaller scale — Klaviyo: $5.5B market cap, against HubSpot's $13B market cap.

Ludbee scale figures · valuation, market cap or revenue estimate

Aligned comparison

FieldHubSpotKlaviyo
Market cap$13B$5.5B Klaviyo has 2.4× smaller
Employees8,8822,368 Klaviyo has 3.8× fewer
Founded20062012 6 yrs later
StatusPublicPublic match
CategoryApplicationApplication match
Stack layerAI agent, Agent platform, Application, PlatformAI agent, Application
HeadquartersCambridge, USABoston, USA

Capability overlap

Shared · 3

Customer supportMarketing contentWorkflow automation

Not verified for Klaviyo · 8

Agent orchestrationData analysisDocument extractionEmail assistanceKnowledge retrievalSales outreachSummarizationText generation

Recorded for HubSpot. Klaviyo’s product records say nothing either way — a missing record is not a missing capability.

Not verified for HubSpot · 2

Image editingImage generation

Recorded for Klaviyo. HubSpot’s product records say nothing either way — a missing record is not a missing capability.

Products, side by side

Algorithmic pairing — assembled from recorded fields, not hand-checked

HubSpot

Application

AI Blog WriterApplication

An AI assistant in Content Hub that generates full blog post drafts, outlines and titles from a topic or prompt.

AI Content WriterApplication

An AI writing assistant embedded in Content Hub that drafts marketing copy, landing pages and website content from a prompt.

AI Email WriterApplication

An AI assistant in Marketing Hub that drafts marketing and sales emails — subject lines, body copy and variants — from a short prompt.

AI Guided SellingApplication

A workspace that surfaces leads, deals and target accounts, with suggested tasks drawn from real-time buying signals, AI-generated deal insight summaries, meeting-preparation materials, and an integrated prospecting agent, to help reps prioritise high-value opportunities and execute the next best action.

AI Social Media Post GeneratorApplication

An AI assistant in Marketing Hub that generates individual social media post copy and ideas from a prompt — distinct from Social Media Agent, which autonomously plans and schedules a month of posts.

AI SummarizationApplication

A cross-Hub AI feature (Marketing, Sales and Service) that condenses long records, threads and conversations into short summaries.

AI Website GeneratorApplication

An AI tool in Content Hub that generates a complete website — pages, layout and copy — from a short prompt describing the business.

Breeze AssistantApplication

Conversational AI assistant embedded across HubSpot that answers from a company's CRM data, HubSpot Academy and knowledge base, drafts content and summarises meetings.

Content RemixApplication

An AI tool in Content Hub that repurposes one piece of long-form content into multiple derivative formats (social posts, blog snippets, emails).

HubSpot AEOApplication

Answer engine optimization software that tracks how a brand appears in ChatGPT, Gemini and Perplexity answers and recommends changes to improve that visibility.

Smart Deal ProgressionApplication

Analyzes meeting transcripts and deal history to suggest post-meeting CRM updates, draft follow-up emails and surface next-step tasks for sales reps to review and apply in one click.

Social Media AgentApplication

AI agent that analyzes past social performance, business details and industry best practices to generate and schedule a month of social post suggestions across Facebook, LinkedIn, X and Instagram, with human review before publishing.

AI agent

Content AgentAI agent

AI agent that uses CRM and business context to draft and scale content marketing -- landing pages, blog posts, meta descriptions and internal links -- with pre-publish automation tasks.

Customer AgentAI agent

An AI support agent that answers customer questions and resolves tickets across channels with cited answers, escalating to a human when needed.

Data AgentAI agent

An AI agent that researches CRM records, calls, emails, documents and web sources to answer custom business questions and populate smart properties at scale.

Knowledge Base AgentAI agent

Also branded "Breeze Knowledge Base Agent" on its own page: an AI agent that turns support conversations into searchable self-service knowledge-base articles automatically.

Prospecting AgentAI agent

An AI sales agent that monitors accounts for buying signals, sources and enriches contacts, and drafts personalized outreach in each rep's voice.

Klaviyo

Application

Klaviyo Image RemixApplication

An in-app AI photo editor inside the Klaviyo email editor that edits or generates campaign images from a text prompt using Google Gemini.

AI agent

ComposerAI agent

Agent that plans and optimises marketing campaigns against a brand's own customer profiles, sitting alongside Klaviyo's email, SMS and WhatsApp channels rather than running as a separate tool.

Klaviyo Customer AgentAI agent

Service agent that answers inbound customer questions using the same profile and order history Klaviyo already holds for marketing, shipped with the Customer Hub and Helpdesk tools for consumer brands.

No counterpart

HubSpot sells these in a stack layer with no product recorded for Klaviyo yet — nothing on the other side to compare them against.

Agent platform

Agent BuilderAgent platform

A no-code canvas for building custom AI agents from prompts, CRM data and company knowledge, with per-action approval controls before an agent runs autonomously.

Agent HubAgent platform

HubSpot's hub for running, building and managing AI agents across marketing, sales and service on top of Smart CRM data.

Platform

Smart CRMPlatform

The shared customer database under every HubSpot Hub, with a free edition; its AI enriches contact and company records from emails, calls and the web, detects and merges duplicate records, flags data issues, and answers questions about a customer through a Data Agent that searches the CRM, calls, documents and the web.