Racecraft (Project Koru) · Prologue — The Origin Story

Wed, 10 Jun 2026 00:00:00 +0000

I wrote about Project Koru (Racecraft) and how we built an AI Race Coach at Sonoma Raceway with Google Developer Experts. The post covers the origin story, the technical stack, and what we learned building real-time AI coaching at 100 mph.

Featured on the : Bridging the Domain Gap: AI Race Coach built with Antigravity and Gemini (July 2026).

Google I/O GDE Field Test — AI Race Coach at Sonoma Raceway

Sat, 23 May 2026 08:00:00 +0000

AI Race Coach (Project Koru)

Fri, 01 May 2026 00:00:00 +0000

The AI Race Coach (Project Koru) is a real-time coaching system for motorsports, developed during the Google I/O GDE Field Test at Sonoma Raceway. The project demonstrated how agentic AI can bridge domain gaps between software engineering and racing expertise.

Architecture:

Antigravity — stateful orchestration and telemetry ingestion
Gemini API — cloud-based driver modeling and strategic insights
Gemma 4 12B — on-device edge intelligence for zero-latency audio coaching
Jetpack Compose — high-refresh Android dashboard for real-time visualization
Google ADK — multi-agent orchestration framework
Custom USB Interface — 10 Hz telemetry stream wired directly from vehicle sensors to Pixel 10

The system identified performance gains beyond human perception — including a new throttle application zone mid-corner in Turn 2 that secured a 0.1-second advantage. Featured on the Google Developers Blog and covered in my blog post Racecraft: The Origin Story.

Antigravity | Rabimba Karanjai

Racecraft (Project Koru) · Prologue — The Origin Story

Google I/O GDE Field Test — AI Race Coach at Sonoma Raceway

AI Race Coach (Project Koru)