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Meet Composer, the AI marketing agent that helps you build better customer relationships

Profile photo of author Kelly Thacker
Kelly Thacker
5 min read
Klaviyo news
13 October 2026
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How Composer Automates Marketing Work

Generated by Klaviyo AI

Composer is an AI marketing agent available to every Klaviyo customer that analyzes business data, identifies priorities, and completes marketing work. It can answer performance questions with cited evidence, automate recurring tasks, and apply team-defined processes consistently through Skills.

  • Grounded analysis: Composer analyzes customer, marketing, and commerce data while providing citations and relevant industry benchmarks.
  • Recurring automation: Scheduled tasks can monitor performance, flag problems, and surface opportunities around the clock.
  • Reusable Skills: Teams can teach Composer their processes and apply them consistently across teams, brands, and markets.

Starting today, Composer is now available to every Klaviyo customer.

It is an AI marketing agent that knows your business, helps you find what needs attention, decides what to do next, and gets the work done.

Composer applies 15 years of Klaviyo marketing expertise, drawing on what we've learned from hundreds of thousands of brands. It understands the full journey of every one of your customers, and it proactively does the work to help you grow.

With this release, Composer becomes more intelligent, more proactive, and more flexible, while remaining grounded in your business data, Klaviyo's marketing expertise, and industry benchmarks collected across 205,000 customers.

Here are three things you can do with Composer right now.

Go deeper into your business with answers grounded in Klaviyo

You have questions about your business that should be easy to answer, but aren't.

  • Where's the biggest drop-off between first and second purchase?
  • What impact is over-messaging having on engagement and revenue?
  • Which flows are actually driving results, and which are just running?

You can now ask these questions to Composer in plain language. It analyzes your customer, marketing, and commerce data and shows you what it finds, including the evidence behind it. Citations make the sources visible and verifiable, so you can trust the answer and dig deeper when you need to.

“Recently, I’ve gotten access to more tools like Composer and that’s made my life so much easier, “ says Shannon Jörgenfelt, senior email and retention manager at Tatcha. “Now, I don’t have to be the only one sifting through so many open rates, so many click rates, and comparing and contrasting trying to find if there’s a date when things started to go wrong. I’ve really been able to tap into AI to help do these audits and find out if there is a canary in the coal mine.”

Composer puts your performance in context, too. Instead of wondering whether a 2% click rate is good or bad, you can compare against industry benchmarks collected across more than 205,000 customers. You see how your results stack up against brands in similar verticals and at a similar scale.

You can also use Composer to analyze campaign and flow performance, investigate why engagement dropped last week, identify opportunities across your segments and forms, or understand what's actually driving revenue.

Keep important work moving without starting from scratch

Composer doesn't wait for you to remember to use it. Schedule recurring tasks to put repeatable work on autopilot.

Tell Composer: "Every Monday, review our top flows and flag anything that's slipping." Or: "On the first of every month, compare lifecycle performance across our major markets and surface the three biggest opportunities." It runs 24/7, in the cloud, whether or not you're logged in.

This is particularly powerful for marketers working within large brands. With millions of customers, multiple markets, and hundreds of campaigns and flows, there's always more happening than any team can manually track.

Composer surfaces what matters, monitors for opportunities that deserve attention, and turns recurring marketing work into surfaced tactics to drive more revenue.

Turn the way you work into skills

Every marketing team has its own way of doing things: how you run a weekly performance review, evaluate lifecycle programs across markets, or prepare a major product launch. With Skills, you teach Composer that process once and use it across teams, brands, and markets. This is how you standardize what works without limiting how you work.

Skills let you capture your team's expertise in a form that Composer can apply consistently. The way you want things done becomes the way things get done, even when you're not the one doing them.

How to get started with Composer

The new Composer is here. And we're giving you more room to explore.

We're so excited for you to experience the new Composer that we're giving you extra usage on us for the next 30 days. Ask more questions, explore new possibilities, and discover everything Composer can do for your business.

Here are two more in-depth prompts you can copy and drop into Composer today:

  • Look at 12 months of purchase history and my current segments. Find product pairings, repurchase timing and category gaps that none of my segments cover. Suggest 5 new segments with a message angle for each, and create the ones I approve.
  • Audit all my live flows for expired coupons, broken links, out-of-stock products, draft messages inside live flows, and any email whose revenue per recipient is 25% below its 90-day average. Give me a ranked fix list.

Get started right now.

Kelly Thacker
Kelly Thacker
Kelly Thacker is the Vice President of Product Marketing at Klaviyo, where she sets the global strategy for launching new products, driving adoption at scale, and turning customers into advocates. She leads Klaviyo’s product marketing, customer marketing, and community teams—bringing together narrative, data, and go-to-market execution to fuel product-led growth. Recognized for her ability to translate complex products into clear, compelling stories, Kelly has spent over two decades building category-defining brands and scaling high-performing teams. Prior to Klaviyo, she served as CMO of Salesforce Commerce Cloud, where she helped shape one of the most successful enterprise platforms in digital commerce.

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