Foundation Phantom

Not for sale

Not for sale (research)RL walkingDefense-orientedUS-builtFew public specs

Not for saleShipping: Not available.

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Overview

San Francisco startup Foundation markets Phantom for industrial and military work, an unusually explicit defense pitch among humanoid makers. It uses Foundation's own cycloid actuators (up to 160 N·m peak) and is rated for a 20–40 kg payload. Public videos show it walking autonomously and handling heavy loads, but deployment numbers are unpublished.

Type: Biped robot · Full-size humanoids
Maker: Foundation (USA)
Released: 2025
Price: Not for sale
Status: Not for sale (research)
Best for: Professionals & labs
Programming: No programmability

Price and shipping

Leased to industrial customers for about $100,000 per robot per year. Unit cost reported at roughly $150,000

Shipping: Not available. Not sold to the public.

Specifications

Category	Bipeds · Full-size humanoids
Released	2025
Country	USA
Availability	Not for sale (research)
Sales	About 10 deployed in industrial and military tests by September 2026 (estimate) Robot24 ↗
Programmability	No programmability
Built-in autonomy	Task-level · Carries out multi-step jobs on its own, such as inspections, deliveries or chores
LLM support	LLM plans actions · Foundation says its Cortex AI turns plain sentences into tasks for its action models, but no public details or demos confirm it (unconfirmed). Foundation Cortex ↗
Best for	Professionals & labs
Vision sensors	Unknown
Actuators	Brushless / direct-drive motors
Audio	Unknown
Compute type	Proprietary / undisclosed
Balance type	RL walking
Height	1.8 m
Weight	80 kg
Compute	Chest-mounted onboard computer (specs not published), Foundation announced an AMD partnership in July 2026
Speed	1.7 m/s
DOF	29
Sensors	Cameras only (no LiDAR), with the head serving as the sensor hub
Balance	Whole-body controller (shown in a blind balance test on loose marbles) under an LLM-based task-reasoning layer. Teleoperation remains available. Public details are sparse.
SDK	None public

Common questions

How much does Phantom cost?

Not for sale. Leased to industrial customers for about $100,000 per robot per year. Unit cost reported at roughly $150,000.

Can Phantom be bought today?

No. It was never sold to the public.

Who makes Phantom?

Phantom is made by Foundation (USA). It came out in 2025.

Can Phantom be programmed?

No programmability.

Does Phantom have AI chat or LLM support?

LLM plans actions. Foundation says its Cortex AI turns plain sentences into tasks for its action models, but no public details or demos confirm it (unconfirmed).