Customer.io vs Braze (2026)

What sets it apart Messaging is driven by real-time first-party behavioral events rather than static lists, and it now includes an AI agent that builds a full campaign (triggers, content, timing, logic) from one prompt and is callable via MCP, CLI, or API

Best for Product-led and growth teams that need event-triggered, multichannel messaging (email, push, in-app, SMS) tied to their own first-party behavioral data · Pricing model Subscription, tiered by number of profiles (people plus objects) and message volume. Essentials starts at $100/mo including 5,000 profiles and 1M emails/month; additional profiles cost $0.009 each and email overage is $0.12 per extra 1,000. Tiers run Essentials, Standard, Premium, and custom Enterprise. A startup program gives a full free year to companies that have raised under $10M and are new to the platform. No ongoing free tier.

Built around behavioral data, Customer.io ingests first-party events and fires email, push, in-app, and SMS messages as users take actions, arranged in a visual journey builder. It differs from general email tools in how directly the messaging is driven by live product data, and it now ships an AI agent that turns a single prompt into a configured campaign with triggers, content, timing, and logic, callable through MCP, CLI, or API. Pricing starts at $100 per month on the Essentials tier for 5,000 profiles and a million monthly emails, then scales through Standard, Premium, and custom Enterprise plans, with a free year offered to early-stage companies that have raised under $10M. The fit is product-led and growth teams that need event-driven, multichannel messaging wired into their own data.

Sources Customer.io homepage (product, channels, AI Agent) · Customer.io pricing page · Customer.io Journeys platform page · Customer.io About page

What sets it apart BrazeAI Decisioning Studio, which applies real-time machine-learning decisioning to select the message and treatment for each individual user rather than relying on static segments or rules

Best for Mid-market and enterprise brands that run high-volume, cross-channel customer messaging (email, SMS, WhatsApp, push, in-app) and want data unification plus AI-driven personalization in one platform · Pricing model Quote-based; no published list price. Pricing scales with Monthly Active Users (MAU) across four editions (Go, Select, Pro, Enterprise) plus a credit-based usage model ("Action Credits") for channels and BrazeAI products. A free trial is offered, but there is no permanent free tier.

Braze is a customer engagement platform that unifies customer data and orchestrates messaging across channels including email, SMS, WhatsApp, push, in-app, and web. Its AI layer, now branded BrazeAI (the earlier Sage AI naming has been folded into it), adds predictive segmentation, AI-generated content, and a Decisioning Studio that makes real-time per-user decisions to personalize which message and treatment each customer receives. Pricing is quote-based and scales with monthly active users across four editions (Go, Select, Pro, and Enterprise), with a trial available but no permanent free tier. It fits mid-market and enterprise brands in retail, financial services, media, and gaming that run high-volume cross-channel campaigns.

Sources Braze - Pricing · Braze - BrazeAI product page · Braze press release - new AI features (Sage AI / BrazeAI)