Your agency runs 3 email campaigns a month. Klaviyo's AI runs 15.

Three email campaigns a month. That's what most DTC brands run with an agency handling email. Three newsletters, maybe a promo or a product launch. Billed as "full email management." Klaviyo just announced a feature called Composer that takes that output to 15 campaigns — and the first draft is done in minutes.

The platform your agency runs on just automated the work they charge you for. That's the cleanest way to explain what happened.

Klaviyo's autonomous marketing update doesn't replace the thinking behind a good email program. It eliminates the execution work that should never have cost thousands of dollars a month in the first place. Here's exactly what shipped and what it means for your brand.

9 new AI features. One announcement.

Klaviyo's latest release covers nine distinct AI capabilities, most going generally available at once. The full list: Composer, Customer Agent with expanded retail skills, Agent Guidance, Omnichannel expansion to WhatsApp and email, RCS messaging, Social auto-replies, Personalized Send Time, Audience Optimization: Refine (in beta), and Next Best Product in mobile channels.

Some of these — like Customer Agent — have been in preview. Personalized Send Time and Composer are newer. RCS messaging and social auto-replies are capabilities most brands would have needed a separate vendor to access before this release.

Composer: the campaign volume bottleneck is gone

Most DTC brands run 3 email campaigns a month. Not because that's the right cadence — because producing more takes time nobody has. Brief the agency, wait for the draft, revise the draft, approve it, schedule it. That cycle caps your output at whatever fits inside the billing period.

Klaviyo's Composer breaks that ceiling. Campaign generation that used to take days and multiple steps now takes minutes. According to Klaviyo's announcement, teams running 3 campaigns per month can run 15 with the same headcount.

I've watched brands leave real revenue on the table by under-sending. Not because their list was tired — because the production bottleneck forced broad campaigns to everyone instead of segmented sends to the right people more often. Composer doesn't just make email faster. It makes segmented, targeted sends practical for brands that couldn't justify the agency hours to execute them before.

Personalized Send Time: the 35% click lift your agency doesn't talk about

Manual send time optimization looks like this: pick Tuesday at 10am because that's when "open rates tend to be highest." For the whole list. Every campaign. Your agency runs the same default across their entire client roster.

Klaviyo's Personalized Send Time works differently. It analyzes each subscriber's individual engagement history and delivers the email when that specific person is most likely to open it. Not your list average. That subscriber.

Top-performing campaigns on Personalized Send Time see a 35% lift in click rate. The model is trained on 14+ years of marketing performance data from 193,000+ brands — that's the pattern library behind every send-time decision.

Your agency is making an educated guess. Klaviyo is running a model trained on nearly two decades of what actually gets clicked. Those aren't the same thing.

RCS and social auto-replies: two new channels, no new headcount

RCS messaging is the replacement for plain SMS. Logos, action buttons, image carousels, and read receipts — all inside the native messaging app, no separate app required. Klaviyo now supports it natively. Before this release, adding RCS to your channel mix meant a separate vendor, custom integration work, or skipping it entirely.

Social auto-replies are exactly what they sound like: AI-generated responses to comments and DMs on social channels, triggered automatically through Klaviyo flows. If someone comments "how much?" on a product post, a reply goes out before anyone on your team sees the notification. If someone DMs about a return, a response is already waiting.

Both expand your reach without expanding your headcount. That's the pattern across the entire release.

It fits directly into why email delivers $36 for every dollar while paid averages $2 — owned channels compound in ways rented audiences can't. RCS extends that owned stack further without adding vendor complexity.

What this means for brands paying for Klaviyo management

The honest question: what exactly is your agency doing in Klaviyo every month?

If the answer is "writing campaign briefs, building emails in the drag-and-drop editor, scheduling sends, and reporting on opens" — that's the job Composer, Personalized Send Time, and Klaviyo's built-in analytics just automated.

If the answer is "building segmentation strategy, identifying which flows are leaking revenue, testing different offers against different customer cohorts, making decisions from what the data says" — that's still human work. And it's the work that actually moves your numbers.

The gap between managing campaigns and building the underlying program is real. As email flows drive 37% of email revenue on 2% of sends — but most agencies focus on campaigns because they're easier to bill monthly. Autonomous campaign creation doesn't fix a missing flow architecture.

That distinction — between execution Klaviyo now handles and strategy a human still needs to own — is exactly what good AI marketing for ecommerce looks like in practice. The mechanical parts should run themselves. The strategic parts need someone who actually knows your brand.

Dustin Gilmour

Founder of Venti Scale. I run Klaviyo email programs for ecommerce brands directly. Every campaign strategy, flow architecture, and send-time call is reviewed by me before it ships.

About·LinkedIn·X·Updated July 30, 2026