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Foundation Robotics Labs, Inc.

Category: Robotics / Embodied AI

An advanced robotics startup building 'Phantom,' a humanoid robot powered by a 'physics-action' foundation model designed to solve global labor shortages and address high-risk defense scenarios. Foundation Robotics Labs, Inc. was founded in 2024. The company is led by Sankaet Pathak. Based in San Francisco, USA. Team size: 11-50. Total funding raised: $11.0M. Latest round: Seed. Key investors include Tribe Capital, 8VC, Defined.

Founded
2024
Headquarters
San Francisco, USA
Team size
11-50
Total funding
$11.0M

Value proposition

Offers rapidly scalable, high-volume humanoid robotics capable of performing complex manual labor and combat-adjacent tasks (reconnaissance, bomb disposal) using AI that understands physical laws rather than just mimicking human video.

Products and solutions

Phantom MK1 Humanoid (5'9", 176 lbs, 44 lbs payload), Physics-Action Foundation Model (Proprietary AI 'Brain'), High-performance Cycloid Actuators, Modular Robotic Perception System (Vision-only)

Unique value

Uniquely prioritizes defense and combat-adjacent applications which competitors often avoid; focuses on massive manufacturing scale (50,000 units target) and 'physics-first' AI logic.

Target customer

U.S. Department of Defense, defense contractors, and large-scale industrial conglomerates in manufacturing and logistics.

Industries served

Defense & Military, Manufacturing (Automotive, Glass, Beverage), Logistics & Warehousing, Space Construction (Long-term roadmap)

Technology advantage

Utilizes a 'physics-action' model that predicts physical outcomes to enable fluid, human-like movement in unstructured environments. The hardware features proprietary cycloid actuators and a vision-only perception stack (eschewing LiDAR) similar to Tesla's approach.

How they differentiate

Foundation distinguishes itself by explicitly targeting national defense and combat applications—a sector most competitors avoid due to ethical 'red lines.' Their 'Phantom' robot utilizes a proprietary 'physics-action' AI model trained on physical laws and scene depth rather than simple video imitation. Hardware-wise, it features unique rolling contact gearbox actuators designed for strength and quiet operation in unstructured environments.

Main competitors

Figure AI, Tesla (Optimus), Boston Dynamics, 1X Technologies, Apptronik

Key partnerships

Tribe Capital (Lead Seed Investor/Co-founder link), Anduril (Reported high-level contract discussions), Unnamed auto-parts and glass manufacturing pilot partners, 8VC (Investor)

Notable customers

U.S. Department of Defense (Target), Automotive Parts Manufacturing Pilot, Glass and Beverage Industry Pilot Partners

Major milestones

Founded in May 2023 by former Synapse CEO Sankaet Pathak, Closed $11M Seed round led by Tribe Capital in June 2024, Acquired Boardwalk Robotics in late 2024, Public debut of the 'Phantom MK1' humanoid at an SF event in February 2025, Targeted initial customer deliveries for April/May 2025

Growth metrics

Projected manufacturing scale of 40+ units in 2025, scaling to 10,000 in 2026, and 50,000 total units by end of 2027.

Market positioning

A dual-use (defense and industrial) humanoid robotics challenger focusing on rapid, high-volume manufacturing to solve systemic labor shortages and high-risk military personnel gaps.

Geographic focus

North America (United States National Defense) and global industrial manufacturing markets.

Patents and IP

No registered patents publicly disclosed; relies on trade secrets and proprietary 'physics-action' data flywheels.

About Sankaet Pathak

Founder and former CEO of Synapse (a prominent Banking-as-a-Service fintech scaled to a $1.2B valuation). Academic background in Physics and Electrical Engineering with a focus on solar corona research.

Official website: