How-toSelected

Arena engineers build taco truck app

Why we picked it

The comparison shows practical development workflows using Agent Mode, useful for developers evaluating build-vs-buy decisions for their projects.

Two Arena engineers built the same taco truck waitlist app from a napkin sketch.

Image · lmarena.ai
Body

Graham and Logan competed to determine which approach was better.The demonstration used Agent Mode on Arena platform.

The video shows the complete development process from concept to working application.

Original · lmarena.ai

Head-to-head: From napkin sketch, to working app using Agent Mode on Arena. Two @arena engineers, Graham and Logan, both built the same taco truck waitlist app from a single napkin sketch, with a build-vs-buy recommendation on the line. See who built it better, and try out this prompt yourself with top agents on Agent Arena. youtu.be/CVxQS_dFako

Industry Coordinates & Source Verification

This report is categorized under AITOP's "How-to" desk, focusing on US frontier AI labs and Silicon Valley technology leaders. Within our cross-regional analytical framework, it directly maps to AI developer toolchains, coding agents, and engineering workflows. Key entities and technical topics under continuous tracking include Arena, Agent Mode, agents, app development.

Source attribution: curated from lmarena.ai (@lmarena_ai).