Klaviyo vs Runway

Klaviyo — Application · Public · $5.5B mkt cap · 4 of 4 figures sourced  |  Runway — Application · Private · $5.3B valuation · 4 of 4 figures sourced

Relationship

Composer and Runway Agent do comparable work on marketing content; similar scale (private).

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

4 of 5 capabilitiesShared product type

4 of 5 capabilities — Shares image editing, image generation, marketing content and 1 more.

Ludbee capability tags · from the product records

Shared product type — Both ship AI agent and application.

Ludbee product records

Aligned comparison

FieldKlaviyoRunway
Size$5.5B mkt cap$5.3B valuation different basis
Employees2,368140 Runway has 17× fewer
Founded20122018 6 yrs later
StatusPublicPrivate
CategoryApplicationApplication match
Stack layerAI agent, ApplicationAI agent, Application, Developer tool, Model API, Robot
HeadquartersBoston, USANew York, USA

Capability overlap

Shared · 4

Image editingImage generationMarketing contentWorkflow automation

Not verified for Runway · 1

Customer support

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

Not verified for Klaviyo · 5

Avatar videoModel trainingRobot controlVideo generationVoice agent

Recorded for Runway. Klaviyo’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

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.

Runway

Application

RunwayApplication

Generates and edits video and images from text and image prompts in the browser.

Runway CharactersApplication

Real-time conversational video avatars made from a single image, for education, customer support, training simulation and gaming use cases; integrates via React SDK, LiveKit Agents or an embeddable widget.

Runway WorkflowsApplication

Node-based pipeline builder for chaining multiple Runway generative models and LLM steps into reusable, no-code creative workflows.

AI agent

Runway AgentAI agent

AI marketing agent that generates complete ad campaigns (TikTok, Instagram, etc.), analyzes performance, runs A/B tests and auto-formats creative for different platforms and markets.

No counterpart

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

Developer tool

Runway Model RouterDeveloper tool

Reusable Dev API configuration that automatically selects the best generative model for a request based on configured cost/latency/quality preferences; not separately billed beyond underlying model usage.

Runway Video Model LicensingDeveloper tool

Commercial licensing of Runway's video model weights, checkpoints and training scripts for self-hosted, on-premises or air-gapped fine-tuning and deployment, with forward-deployed researcher support.

Model API

Runway APIModel API

Hosted API for video, image and audio generation models from Runway and partner labs, billed per generation.

Robot

Runway RoboticsRobot

Robot-policy platform built on GWM-1 (General World Model): policy inference from camera observations, offline policy evaluation via simulation, synthetic data generation, and video-model licensing for custom policy training.