humanoidrobots.systems

Compare humanoids

Pick two to four robots. Every pair also has its own permanent page, 1,326 in total, generated from the same records.

01

Pick robots

52 humanoids
2 robots selected.
02

Fourier GR-2 vs HopeJR

permalink

Fourier GR-2 has 13 fewer degrees of freedom (53 vs 66) than HopeJR. Openness score: Fourier GR-2 30, HopeJR 90 (of 100); only HopeJR publishes CAD, BOM and FW. Availability: Fourier GR-2 buy, HopeJR diy build.

Side-by-side specifications. Rows marked with a square differ.
FieldFourier (Fourier Intelligence)Fourier GR-2The Robot Studio & Hugging FaceThe HopeJRΔ first − second
Identity
Maker (differs)Fourier (Fourier Intelligence)The Robot Studio & Hugging Face
ClassHumanoidHumanoid
StatusActiveActive
Availability (differs)BuyDIY build
Country (differs)ChinaFrance
Year (differs)20242025
Specifications
Height175cm—unsourced
Mass63kg—unsourced
Degrees of freedom (differs)5366−13 (-20%)
Payload3kg—unsourced
Top speed—unsourced—unsourced
Runtime120min—unsourced
Battery capacity—unsourced—unsourced
Price—unsourced3,000USD
Actuators (differs)Fourier FSA 2.0 actuators (>380 N·m peak)Robstride 02 (humanoid body update)
Compute—unsourced—unsourced
Sensors—unsourced—unsourced
Openness and provenance
Openness bar3090
Openness score (differs)30/ 10090/ 100−60
CAD (25) (differs)not publicpublic
Bill of materials (20) (differs)not publicpublic
Sim model (URDF/MJCF) (20)publicpublic
Firmware (15) (differs)not publicpublic
Software (10)publicpublic
Trained policies (10)not publicnot public
Verification levelL1L1
Sources (differs)24
Last checked (differs)2026-09-242026-09-25
03

Best-documented pairs

most sourced fields on both sides