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Klaviyo Opens Its Composer AI Marketing Agent to Every Customer

The agent now works while you're logged out, so the question is what you let it touch.

Klaviyo logo, editorial illustration

Klaviyo has opened Composer, its AI marketing agent, to every customer. If you run email or SMS on Klaviyo, you can now quiz it about your data and have it check your flows on a schedule.

It can create segments too, once you approve them.

What Composer does now

Klaviyo’s launch post for Composer says it’s available to every Klaviyo customer starting today.

The agent reads your customer, marketing and commerce data. It answers plain questions with citations, so you can see where a number came from.

Four things in the post are worth your time:

  • benchmarks against more than 205,000 Klaviyo customers
  • recurring tasks that run in the cloud, even when you’re logged out
  • Skills, a process you teach it once and reuse across brands, teams and markets
  • a sample prompt that audits live flows for expired coupons, broken links and out-of-stock products

Those checks are the part I’d pay attention to, because the post’s own example is a Monday review of your top flows.

But what does it cost? The launch post doesn’t say.

Pricing, and what changed since March

Klaviyo’s help article on Composer plans, updated 14 October, says:

  • the free plan gives you 500 credits per cycle
  • the paid plan is $20 a month for 2,000 credits
  • extra credits come in blocks of 1,000 for $10 if you switch on flexible overages

Still, Klaviyo’s pricing page says “$5 of Composer usage/month” for free and lists no paid price.

So check your own account before you budget, because the two pages don’t use the same units.

When Klaviyo introduced Composer in private beta on March 24, 2026, its newsroom post pitched campaigns and flows built from one prompt, with a person signing off before anything goes live.

The new launch post has three sections: analysis, recurring automation and Skills.

So is the prompt-to-flow part still in there? The pricing page lists creating campaigns and flows, but the launch post doesn’t cover it.

Test it yourself before you plan a quarter around it.

Meanwhile, Klaviyo opened a new Composer space in its Community on 14 October.

Why it matters

The launch post offers that audit as a prompt you copy into Composer, and it checks live flows for expired coupons, broken links and out-of-stock products. It’s where I’d start. Give it one recurring check on your top flows and read what it flags for a few weeks.

Segments come next.

In Klaviyo’s sample prompt, it creates only the segments you approve, so you’ll still want one named person who owns that approval.

Does it reach your other apps? Activepieces says Klaviyo hasn’t published specs on that, so I’d assume your helpdesk, CRM and spreadsheets stay outside what Composer sees.

Either way, test it on a small list with the free credits before you decide if a paid plan earns a place in your stack. Klaviyo shows estimated ranges per action, not fixed costs, so watch your usage as you go.

Common Questions

Is Klaviyo Composer available to all Klaviyo customers?

Yes. Klaviyo’s launch post says Composer, the company’s AI marketing agent, is available to every Klaviyo customer.

How much does Klaviyo Composer cost per month?

Klaviyo’s help article lists a free plan with 500 credits per cycle and a paid plan at $20 a month for 2,000 credits. Its pricing page words the free allowance differently ($5 of usage a month), so confirm the figures in your account.

Can Klaviyo Composer audit email flows automatically?

Yes, on a schedule. The launch post’s example is a recurring task that reviews your top flows every Monday and flags anything slipping, and scheduled tasks run in the cloud even when you’re logged out. The coupon and link audit is a prompt you copy in yourself.