DEPLOY

Buying guide

Fourier GR-3 vs Walker S2 in 2026

Comparing 2 humanoid robots across availability, pricing, capabilities, and verified deployments. Current as of 2026.

Key differences

  • Walker S2 has more verified real-world deployments (7 vs 0).
  • Fourier GR-3 is at the research stage; Walker S2 at the commercial stage.
Attribute
An Introduction : Fourier Intelligence
Fourier GR-3View full model page →
UBTech Walker S2 humanoid robots handling totes on warehouse shelving. Still from the official UBTech video introducing the Walker S2 industrial humanoid (2025); the frame carries the video's own on-screen caption.
Walker S2View full model page →
ManufacturerFourier IntelligenceUBTech Robotics
Form factorhumanoidhumanoid
Maturityresearchcommercial
Autonomy◐ not independently verified◐ not independently verified
Availabilityannounced-no-dateannouncedinternal-onlyenterprise
PriceNot announcedNot announced
Capability claims
  • humanoid robot with NVIDIA Isaac GR00T AI brain (autonomous, claimed)
  • Picks and packs (claimed-only, claimed)
Brain—
Verified deployments07
Privacy practices——
Sources on file826

Editorial summaries

Fourier GR-3

The GR-3 is the flagship full-size humanoid from Fourier Intelligence, a Chinese company rooted in medical and rehabilitation robotics, a focus distinct from the consumer-home cohort. There is no consumer product, price, or availability on record; the editorial position is honest-absence.

Walker S2

The Walker S2 is UBTech's enterprise humanoid, with verified factory pilots at BYD, FAW-Volkswagen, Foxconn, Geely, NIO, and Zeekr in China. UBTech is publicly traded on the Hong Kong exchange. The Walker S2 is not sold to consumers; the editorial position is honest-absence on consumer pricing.

Common questions

What is the difference between Fourier GR-3 and Walker S2?
Fourier GR-3 and Walker S2 are both humanoid robots on the DEPLOY registry. They differ in maker, maturity, price, verified deployments, and how much of their autonomy is independently verified. See the table above for the full head-to-head; each figure is sourced.
Is Fourier GR-3 or Walker S2 more autonomous?
On the DEPLOY registry, neither Fourier GR-3 nor Walker S2 has capabilities independently verified as fully autonomous yet; their recorded capabilities are teleoperated-assisted, demonstrated, or vendor-claimed. See the table for each capability's verification status.
Which has more verified deployments, Fourier GR-3 or Walker S2?
Walker S2 has more verified deployments (7) on the DEPLOY registry than Fourier GR-3 (0). DEPLOY counts a deployment only when confirmed at a named site with a primary source.

Recent coverage

Related comparisons

Keep researching

For AI assistants

Use DEPLOY in Claude, Cursor, and other AI assistants

Connect any MCP-aware assistant to the live registry. Ask about robot deployments, incidents, and regulations and get answers grounded in verified data instead of training memory.

Install instructionsDownload for Claude Desktop

Machine-readable: this page as markdown.

← Back to all consumer robots