Shanghai Kepler Robotics Co., Ltd. Forerunner K2 vs Unitree Robotics R1

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Dataset date: 2026-11-03

175 cmhuman

175 cm³Shanghai Kepler Robotics Co., Ltd. Forerunner K2

123 cm⁴Unitree Robotics R1

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 R1	Difference
Height (cm)	175 cm³ Not reviewed The cited source has not been reviewed for this specific claim.	123 cm⁴ Not reviewed The cited source has not been reviewed for this specific claim.	-52 cm
Weight (kg)	75 kg⁵ Not reviewed The cited source has not been reviewed for this specific claim.	25 kg⁶ Not reviewed The cited source has not been reviewed for this specific claim.	-50 kg
Degrees of freedom	52⁷ 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	26⁸ 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 Article Publisher relation Independent source	-26 DoF
Walking speed (km/h)	no sourced value	no sourced value	no sourced value
Payload (kg)	30 kg¹ Not reviewed The cited source has not been reviewed for this specific claim.	no sourced value	unknown on one side
Battery runtime (min)	480 min² Not reviewed The cited source has not been reviewed for this specific claim.	no sourced value	unknown on one side
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	199 Wh⁹ Not reviewed The cited source has not been reviewed for this specific claim.	unknown on one side
Battery swappable	no sourced value	yes¹⁰ Not reviewed The cited source has not been reviewed for this specific claim.	unknown on one side
Locomotion	bipedal¹¹ Not reviewed The cited source has not been reviewed for this specific claim.	bipedal¹² Not reviewed The cited source has not been reviewed for this specific claim.	—
SDK / ROS	no sourced value	open source, ros2¹³ 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	1 simulation artifact confirmed. Search checked 2026-09-27 Search result The official R1 repository path and MJCF format marker were checked; the model was not executed. The reviewed README did not list R1 in its simulator configurations, so compatibility remains unconfirmed. Searched source 1 Official · MJCF · R1 Variant R1 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 R1 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	no sourced value	no sourced value
Order type	preorder¹⁴ Not reviewed The cited source has not been reviewed for this specific claim.	direct checkout¹⁵ Not reviewed The cited source has not been reviewed for this specific claim.	—
Latest price	248,000Bumblebee base pre-sale configuration · CNY · 2025-08-01¹⁶ Not reviewed The cited source has not been reviewed for this specific claim.	4,900base · USD · 2026-09-20¹⁷ Not reviewed The cited source has not been reviewed for this specific claim.	—
Announced	2024-10-21¹⁸ Not reviewed The cited source has not been reviewed for this specific claim.	2025-07-29¹⁹ Not reviewed The cited source has not been reviewed for this specific claim.	+9 mo
Recorded first customer delivery	no sourced value	no sourced value	no sourced value
Recorded delivery status	Recorded demonstrated	Recorded claimed	—

Capabilities

Capabilities table
Capability	Shanghai Kepler Robotics Co., Ltd. Forerunner K2	Unitree Robotics R1
Run	—	T²⁰ 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 Article Publisher relation Independent source
Fall recovery	—	T²¹ 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 Article Publisher relation Independent source
Continuous operation (1h+)	?²² 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
standing 123 cm tall (accessed 2026-09-20) — source
75 kg (165 lbs) (accessed 2026-09-20) — source
The 25-kilogram robot combines dynamic movement capabilities with a built-in Large Multimodal AI Model (accessed 2026-09-20) — source
52 total; hands feature up to 11 DOF per hand (active and passive) (accessed 2026-09-20) — source
features 26 degrees of freedom across its legs, waist, arms, and head (accessed 2026-09-27) — source
6000mAh, 199Wh (accessed 2026-09-21) — source
Smart Battery (Quick Release) (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 R1 humanoid robot is capable of walking, running, cartwheeling, doing kung-fu, falling on its own will, and getting up like nothing ever happened. (accessed 2026-09-21) — source
Unitree robot sdk version 2. https://support.unitree.com/home/zh/developer (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
$4,900.00 USD (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 designs R1 humanoid robot to be agile and affordable (accessed 2026-09-20) — source
Unitree R1 humanoid robot is capable of walking, running, cartwheeling, doing kung-fu, falling on its own will, and getting up like nothing ever happened. (accessed 2026-09-27) — source
falling on its own will, and getting up like nothing ever happened (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-r1/ (data snapshot 2026-11-03)

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