PUBLIC EVIDENCE LAB
BuildArena runs the same build across leading AI models—then shows you the evidence. No vibes. Just verifiable results.
Run 001 · CAPTURING
LIVEACTIVE BUILD RECORD
Challenge 01 · hard · 180 min
Live output
COMPARISON STANDARD
Every model is reviewed against the same evidence requirements before any score or verdict is published.
Evidence review pending.
No intervention data yet.
Evidence review pending.
No intervention data yet.
Evidence review pending.
No intervention data yet.
PUBLISHED BUILDS
Only reviewed runs earn a public score and scoped verdict.
Reviewed captures only. Open a card to inspect the build record.
CHALLENGE SYSTEM
Real builds. Real constraints.
Ship under pressure.
Level up with every challenge.
One active challenge at a time. Finish to unlock the next.
● ACTIVE NOWBuild a genuinely playable browser game with DOM elements, CSS, and application state instead of Canvas or a game engine.
Build a research command center for creating projects, organizing evidence, comparing claims, and generating a report.
Build a distinctive, responsive launch site for a fictional AI coding product without default SaaS styling.
Build an original block-survival inventory with dense drag-and-drop state, keyboard interaction, and responsive scaling.
Build a fictional browser desktop with movable windows, utilities, shortcuts, themes, and persistent workspace state.
EVIDENCE PATH
BuildArena turns every run into a verifiable record. From locked prompt to scoped verdict—no gaps, no ambiguity.
No build records exist yet.
PUBLIC METHOD / TRANSPARENCY
Every BuildArena experiment ships with everything needed to reproduce it: prompt, method, attempts, and known limitations.
Design a premium public evidence lab. Preserve prompt, method, state, and limitations.
prompt_v1.0.0.txt · lockedIdeate → Build → Evaluate → Publish
method_v1.0.0.mdNo public attempt record yet.
FINAL PRINCIPLE
BuildArena turns every benchmark run into verifiable evidence—so teams can decide what actually ships.
