Shanghai Kepler Robotics Co., Ltd. Forerunner K2 vs Unitree Robotics G1

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Dataset date: 2026-11-03

175 cmhuman

175 cm³Shanghai Kepler Robotics Co., Ltd. Forerunner K2

132 cm⁶Unitree Robotics G1

Height to scale. Width is schematic, derived from weight; not a measured body width.

claimed → demonstrated
demonstrated
first delivery recorded

Evidence sheet

Only differences Showing all 20 rows

Evidence sheet, scrolls horizontally below 900px
Property	Shanghai Kepler Robotics Co., Ltd. Forerunner K2	Unitree Robotics G1	Difference
Height (cm)	175 cm³ Not reviewed The cited source has not been reviewed for this specific claim.	132 cm⁶ Not reviewed The cited source has not been reviewed for this specific claim.	-43 cm
Weight (kg)	75 kg⁷ Not reviewed The cited source has not been reviewed for this specific claim.	35 kg⁸ Not reviewed The cited source has not been reviewed for this specific claim.	-40 kg
Degrees of freedom	52⁹ Source unavailable The cited source could not be accessed during review. Reason The per-host request budget was reached during the review, so the source content and claim could not be re-established. Checked 2026-09-27 Review method Text review Media type Article Publisher relation Independent source	23¹⁰ Needs review The reviewed source does not provide enough evidence for this specific claim. Reason The reviewed source did not establish both the exact recorded value and the concrete robot variant for this specification. Checked 2026-09-27 Review method Text review Media type Documentation Publisher relation Official source (published by the subject or manufacturer)	-29 DoF
Walking speed (km/h)	no sourced value	7.2 km/h¹¹ Not reviewed The cited source has not been reviewed for this specific claim.	unknown on one side
Payload (kg)	30 kg¹ Not reviewed The cited source has not been reviewed for this specific claim.	2 kg⁴ Not reviewed The cited source has not been reviewed for this specific claim.	-28 kg
Battery runtime (min)	480 min² Not reviewed The cited source has not been reviewed for this specific claim.	120 min⁵ Not reviewed The cited source has not been reviewed for this specific claim.	-360 min
Hands	no sourced value	no sourced value	no sourced value
Actuator torque (Nm)	no sourced value	no sourced value	no sourced value
Battery (Wh)	no sourced value	no sourced value	no sourced value
Battery swappable	no sourced value	yes¹² Not reviewed The cited source has not been reviewed for this specific claim.	unknown on one side
Locomotion	bipedal¹³ Not reviewed The cited source has not been reviewed for this specific claim.	no sourced value	unknown on one side
SDK / ROS	no sourced value	open source, ros2¹⁴ Not reviewed The cited source has not been reviewed for this specific claim.	unknown on one side
Simulation	No simulation artifact confirmed in targeted search This records a searched-but-not-confirmed result. It does not mean simulation support is unavailable. Search checked 2026-09-27 Search result Targeted searches found no confirmed model for this record; does not mean unavailable. Searched source 1	2 simulation artifacts confirmed. Search checked 2026-09-27 Search result Official repository paths and MJCF format markers were checked for two G1 artifacts; the models were not executed. Searched source 1 Searched source 2 Official · MJCF · G1 23 DoF Variant G1 23 DoF Format MJCF Provenance Official Revision 1eb6642e3f3fdfb7fb13a9794fd6a2dd93ea0e7d License BSD-3-Clause Open simulation artifact Artifact evidence Evidence review: supported The cited source was reviewed and supports this specific claim. This does not establish independent truth. Reason Official repository path and format marker checked; model not executed. Checked 2026-09-27 Review method Text review Media type Repository Publisher relation Official source (published by the subject or manufacturer) Robot variant G1 23 DoF No simulator compatibility claim recorded. Official · MJCF · G1 29 DoF Variant G1 29 DoF Format MJCF Provenance Official Revision 1eb6642e3f3fdfb7fb13a9794fd6a2dd93ea0e7d License BSD-3-Clause Open simulation artifact Artifact evidence Evidence review: supported The cited source was reviewed and supports this specific claim. This does not establish independent truth. Reason Official repository path and format marker checked; model not executed. Checked 2026-09-27 Review method Text review Media type Repository Publisher relation Official source (published by the subject or manufacturer) Robot variant G1 29 DoF No simulator compatibility claim recorded.	—
Actuator architecture	No actuator architecture confirmed in targeted search This records a searched-but-not-confirmed result. It does not mean a particular architecture is absent. Search checked 2026-09-27 Search result Targeted actuator searches did not confirm an exact-variant architecture claim for this record; this does not mean none exists. Searched source 1	No actuator architecture confirmed in targeted search This records a searched-but-not-confirmed result. It does not mean a particular architecture is absent. Search checked 2026-09-27 Search result Targeted actuator searches did not confirm an exact-variant architecture claim for this record; this does not mean none exists. Searched source 1	—
Warranty (shortest–longest)	no sourced value	8 mo (Global (standard configuration)) – 18 mo (Global (EDU configuration))¹⁵ Not reviewed The cited source has not been reviewed for this specific claim.	unknown on one side
Order type	preorder¹⁶ Not reviewed The cited source has not been reviewed for this specific claim.	direct checkout¹⁷ Not reviewed The cited source has not been reviewed for this specific claim.	—
Latest price	248,000Bumblebee base pre-sale configuration · CNY · 2025-08-01¹⁸ Not reviewed The cited source has not been reviewed for this specific claim.	13,500base · USD · 2026-09-20¹⁹ Not reviewed The cited source has not been reviewed for this specific claim.	—
Announced	2024-10-21²⁰ Not reviewed The cited source has not been reviewed for this specific claim.	2024-05-13²¹ Not reviewed The cited source has not been reviewed for this specific claim.	-5 mo
Recorded first customer delivery	no sourced value	no sourced value	no sourced value
Recorded delivery status	Recorded demonstrated	Recorded shipped · source-supported	—
Results under fixed rules	—	1 result, best rank #1	—

Capabilities

Capabilities table
Capability	Shanghai Kepler Robotics Co., Ltd. Forerunner K2	Unitree Robotics G1
Fall recovery	—	S²² Needs review The reviewed source does not provide enough evidence for this specific claim. Reason The text source was reviewed, but no video segment was watched; the existing capability status and autonomy classification for the exact recorded robot variant were not fully verified. Checked 2026-09-27 Review method Text review Media type Research paper Publisher relation Independent source
Continuous operation (1h+)	?²³ Source unavailable The cited source could not be accessed during review. Reason The per-host request budget was reached during the review, so the source content and claim could not be re-established. Checked 2026-09-27 Review method Text review Media type Article Publisher relation Independent source	—

Notes

30 kg (66 lbs) (accessed 2026-09-20) — source
1-hour charge, 8-hour operation (accessed 2026-09-20) — source
175 cm (5 ft 9 in) (accessed 2026-09-20) — source
About 2Kg (standard); About 3Kg (EDU) (accessed 2026-09-20) — source
About 2h (accessed 2026-09-20) — source
1320x450x200mm (accessed 2026-09-20) — source
75 kg (165 lbs) (accessed 2026-09-20) — source
About 35kg (accessed 2026-09-20) — source
52 total; hands feature up to 11 DOF per hand (active and passive) (accessed 2026-09-20) — source
23 (standard); 23 - 43 (G1 EDU) (accessed 2026-09-27) — source
The robot also features a fast walking speed of 2,000 mm/s (4.5 MPH). (accessed 2026-09-20) — source
Smart Battery (Quick Release) 9000mAh (accessed 2026-09-21) — source
improved gait planning and control algorithms have enhanced K2's stability against external disturbances and its walking speed (accessed 2026-09-21) — source
Unitree robot sdk version 2. https://support.unitree.com/home/zh/developer (accessed 2026-09-21) — source
8 months (accessed 2026-09-21) — source
World's first commercially available planetary roller screw-driven humanoid robot (accessed 2026-09-21) — source
Add to Cart (accessed 2026-09-21) — source
Pre-sales launched with three configurations starting at ¥248,000 (accessed 2026-09-20) — source
US $13.5K (accessed 2026-09-20) — source
The Forerunner K2 represents the Gen 5.0 robot model, showcasing a seamless integration of the humanoid robot's cerebral, cerebellar, and high-load body functions. (accessed 2026-09-20) — source
Unitree Robotics unveiled the G1 at ICRA 2024, pricing the humanoid at $16,000. (accessed 2026-09-20) — source
the default manufacturer-provided recovery controller on the Unitree G1, which executes a hard-coded joint trajectory with PD stabilization (accessed 2026-09-27) — source
1-hour charge, 8-hour operation (accessed 2026-09-20) — source

Cite this comparison: https://humanoidrecord.com/compare/kepler-k2-vs-unitree-g1/ (data snapshot 2026-11-03)

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