About RareSift

Transforming autonomous vehicle development through AI-powered scenario discovery

Our Mission

At RareSift, we believe the future of transportation depends on finding the right edge cases. Our AI-powered platform helps autonomous vehicle teams discover critical driving scenarios faster than ever before.

Founded in 2024, we're building the infrastructure that enables safe, reliable autonomous vehicles by making scenario discovery as simple as a Google search.

YC S24
San Francisco, CA
Series Seed
22
Videos Indexed
4,959
Frames Processed
1536
Vector Dimensions
100%
Embedding Coverage

Meet the Team

AS

Alex Smith

Co-Founder & CEO

Former Waymo ML Engineer. Stanford CS. Led computer vision research for autonomous driving perception systems.

MJ

Maya Johnson

Co-Founder & CTO

Ex-Tesla Autopilot. MIT PhD in Robotics. Built production ML systems processing petabytes of driving data.

RK

Raj Kumar

Head of Engineering

Former Google Research. Carnegie Mellon MS. Built large-scale distributed systems for ML inference at scale.

Our Vision

We envision a world where autonomous vehicles are deployed safely and confidently, powered by comprehensive understanding of every possible driving scenario.

Safety First

Every rare scenario discovered brings us closer to truly safe autonomous driving

AI-Native Approach

Leveraging cutting-edge AI to understand and categorize complex driving scenarios

Developer-Centric

Building tools that AV engineers actually want to use every day

Our Values

🔒 Security & Privacy

We treat your driving data with the highest level of security and respect for privacy

⚡ Performance & Scale

Our platform is built to handle massive datasets with sub-second search performance

🤝 Collaboration

Working closely with AV teams to build exactly what they need

🚀 Innovation

Constantly pushing the boundaries of what's possible with AI and computer vision

Technology Stack

OpenCLIP

State-of-the-art vision-language model for semantic understanding

PostgreSQL + pgvector

High-performance vector similarity search at scale

FastAPI + Redis

High-performance API with intelligent caching

Next.js + Tailwind

Modern, responsive frontend with excellent UX

Backed by the Best

Y Combinator

S24 Batch

Sequoia Capital

Seed Investor

Andreessen Horowitz

Series A Lead

Toyota Ventures

Strategic Partner

📍 Get in Touch

San Francisco HQ

123 AI Street, Suite 400
San Francisco, CA 94105
United States

Join Our Team

We're always looking for talented engineers and researchers passionate about autonomous vehicles and AI.