COMPANY PROFILE

Antioch

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High-fidelity simulation platform for Physical AI and robotics validation

New York City, United StatesFounded 2025Robotics

Valuation $100–250M Last recorded · 2026

Headcount <100 Current team size

Total funding $10–50M Disclosed equity funding

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About Antioch

Antioch is a New York Physical AI simulation company that lets robotics and autonomy teams develop, test and validate systems in high-fidelity, hardware-calibrated simulations that scale from one experiment to thousands of parallel evaluations before real-world deployment. Co-founded by second-time founders Harry Mellsop and Alex Langshur (Tesla and Meta Reality Labs alumni), the Antioch Ark platform containerises a customer’s hardware and software stack into a version-controlled artifact and integrates with CI/CD so simulation becomes the default development loop rather than an afterthought. Customers and partners named in press include Amazon’s Ring, NVIDIA (Omniverse / Isaac) and Nebius. In September 2026 Antioch raised a $32 million Series A led by Greylock, with A*, Category Ventures, Box Group and Icehouse Ventures, plus angels including Palantir CTO Shyam Sankar, Foxglove CEO Adrian Macneil and NVIDIA executive Ian Andrews, to deepen simulation fidelity and expand engineering. Sources: Newswire 8 Sep 2026.

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At a glance

Status: Operational
Founded: 2025
Headquarters: New York City, United States
Employees: 13
Open positions: 2
Dealroom signal: 74.0/100
Industry: Robotics
Sector: Robotics, Autonomous Mobility, AV Simulation, AV Software
Client focus: b2b
Links: Website LinkedIn

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Funding history

1 recorded event

Company financing events and reported valuations.

Deal type	Date	Amount	Valuation	Investors	Source
SEED✓Equity / VC	Aug 2026	$31M	$126M	Undisclosed	↗

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Growth signals

Antioch website traffic

Latest recorded traffic for Antioch is 12K monthly website visits, up 9.1% over the last three months.

Latest monthly visits12K 3-month web change+9.1%

Monthly website visitsJan 2026–Jul 2026

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Open positions

Openings linked to this company in Dealroom

Member of Operational StaffNew York, New York, United States, Northern America, Americas · Other · Aug 27, 2026 Member of Technical Staff, SimulationNew York, New York, United States, Northern America, Americas · Other · Aug 20, 2026 Member of Technical Staff, Core PlatformNew York, New York, United States, Northern America, Americas · Other · Aug 20, 2026

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