KLAVIYO JUST SHIPPED ITS BIGGEST AI RELEASE YET

Summary from the TLDR Marketing newsletter

Klaviyo released a major AI update headlined by Composer, an agent that builds full campaigns from a single plain-language prompt. It determines audience, messaging, timing, channel, and sequence based on performance data from over 193,000 brands. The release also expanded Customer Agent with retail-specific skills across chat, SMS, email, and WhatsApp, plus new features like RCS messaging, personalized send times that showed a 35% lift in click rate, and audience optimization that scores unsubscribe risk before a campaign is sent.