The Third Customer: A Fireside with Tobi Lütke and Guillermo Rauch

Highlights

• A DGX workstation equipped with a GB300 powers a home lab inside a converted glass wine cellar.

• More than 50 percent of Shopify code is generated through an internal AI agent named River.

• Hydrogen 3 is a framework-agnostic SDK that integrates with Vercel Shop and Next.js storefronts.

• Project-based commerce uses conversational AI agents to fulfill objective-driven shopping requests like Halloween setups or 3D printing projects.

• Shopify uses an internal agent called Torrent to rewrite hand-chiseled Ruby storefront renderers into Rust for performance optimization.

Timeline

1. 00:00 - 05:20

   Home Labs and AI Delirium

   Building a technology company outside of Silicon Valley requires occasional visits to recharge ambition and network efficiently through brief meeting windows. Re-purposing residential spaces for high-end hardware creates functional local infrastructure for running private AI models and home management agents. Shifting past theoretical doom discussions allows developers to focus entirely on leveraging modern computational models to build previously impossible systems.

   • Silicon Valley fundraising triggers nostalgic pressure similar to forgotten school tests.
   • A home lab featuring a GB300 DGX workstation operates inside a climate-controlled glass wine cellar.
   • AI delirium describes individuals who transcend existential safety debates to focus on extracting total value from floating point capabilities.
2. 05:20 - 14:30

   Underestimating Capabilities and Agentic Commerce

   Rapid advancements in models like Opus 4.5 exceeded initial timeline expectations and quickly transformed software development workflows. Conversational agents enable a new category of consumption centered around specific project goals rather than traditional browsing. Physical production tools like 3D printers allow younger generations to build and distribute tangible goods directly from digital designs.

   • Model capability improvements bypassed intermediate transitional phases much faster than anticipated.
   • Project-based commerce handles objective-driven consumer tasks like sourcing materials for holiday decorations or 3D printing.
   • Generative 3D printing provides teenagers with physical fabrication tools to design and manufacture independent products.
3. 14:30 - 21:00

   Hydrogen 3 and Universal Commerce Protocols

   Evolving architectural standards led to the creation of Hydrogen 3, merging headless flexibility with framework-agnostic performance. Checkout systems require decades of continuous engineering to navigate changing regulatory compliance and legal standards. Exposing open catalog APIs grants developers access to millions of products, eliminating the traditional friction of signing up individual merchants.

   • Hydrogen 3 functions as a framework-agnostic SDK compatible with Next.js and Vercel Shop templates.
   • Universal Commerce Protocol simplifies complex regulatory and compliance requirements into accessible software primitives.
   • Open catalog APIs allow developers to build distinct shopping experiences without managing a two-sided marketplace.
4. 21:00 - 27:37

   Software Factories and Code Subtraction

   Engineering teams transition from manual coding to building verification systems that validate output generated by AI agents like River. Internal migration projects use automated factories like Torrent to rewrite critical infrastructure from Ruby into Rust. Celebrating code deletion helps large organizations prevent technical debt and maintain operational efficiency at scale.

   • Shopify stopped hand-coding software in favor of building verification engineering harnesses and acceptance tests.
   • An internal AI agent named River writes over 50 percent of Shopify codebase.
   • Internal hackathons celebrate code deletion as a core mechanism for architectural rejuvenation.