Claude Opus 4.8 Build Day Hackathon

7 projects in our archive. The full list of entries or winners may include more.

Original event name

Claude Opus 4.8 Build Day hackathon

Compare projects from the same event and track, using the same judging criteria. A project without an award record here may still have won.

Tekton

A 3D architectural reconstruction tool with traceable historical sources.

Sim Francisco creates synthetic city residents from demographic data. A likely audience is researchers and product decision-makers exploring possible population reactions; this is an inference from the current README.

AI at runtime Built environment Data integration Software Modeling & simulation

Custom Universe

A photo-to-3D scene editing project intended to make it easier for robotics labs to construct synthetic training environments.

AI at runtime Software Robotics 3D & spatial interaction

DogeHouse Babel

A multilingual, real-time voice chat room.

Communication needs Software Voice interaction

Rewild Earth

Finds ecologically similar regions through natural-language search.

Environment Software Search & retrieval

Bel

A text-message-style assistant for health data.

Software Healthcare

Spark AI Data Center Atlas

A research map for data-center site selection.

Built environment Software