L7 by Robot Era vs Next-Gen IRON by XPENG

Robot Era L7 vs Next-Gen IRON at a glance

Robot Era L7 is quicker, with a top speed of 4 m/s versus 1.9 m/s for Next-Gen IRON. Robot Era L7 lasts longer on a charge, about 6 hours against 4 hours for Next-Gen IRON. Next-Gen IRON has more degrees of freedom (82 against 55 for Robot Era L7), which allows finer movement.

Which one fits your use?

Based on the uses each robot is built and marketed for. Open a use to see the specs that matter for it.

Comparing for…	Robot Era L7	Next-Gen IRON
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Pick Robot Era L7 for warehouse and logistics work, factory and manufacturing work and hazardous or high-risk work.
Pick Next-Gen IRON for hospitality, retail and public-facing roles.
Both suit research labs and education and training, so compare the specs for that use.

The L7 by Robot Era is a full-size humanoid robot from a Beijing-based spinoff of Tsinghua University, positioned for industrial automation, research, and agile tasks. It stands out with a maximum running speed of 14.4 km/h, 55 degrees of freedom including 12-DOF hands, and capabilities like jumping, dancing, and precise assembly such as screw-driving. Priced at USD 120,000 for base configurations, it targets enterprise partners with its ERA-42 AI computer and multi-sensor fusion for 360° perception.

Next-Gen IRON by XPENG is a humanoid robot priced at around $120,000 to $150,000, aimed at customer service, industrial inspection, healthcare, and research applications. It differentiates through embedded touch sensors in its skin, a broad sensor suite including force and temperature sensors, and support for collaborative modes. With dimensions of 178 x 50 x 40 cm and a focus on learned behaviors via ROS2-based software, it emphasizes safe interaction in human environments.

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Detailed Analysis

Robot Era L7

Design & Build Quality

L7 measures 171 x 50 x 40 cm, weighs 65 kg, and uses aerospace-grade aluminum alloy with carbon fiber composites for a lightweight yet durable frame supporting 55 DoF and 400 Nm torque joints. Next-Gen IRON is taller at 178 x 50 x 40 cm and heavier at 70 kg, featuring skin-embedded touch sensors for enhanced interaction feedback. L7's quasi-direct drive system reduces power loss and improves force accuracy, while Next-Gen IRON prioritizes collaborative design.

Next-Gen IRON

Mobility & Navigation

L7 achieves a maximum running speed of 14.4 km/h (4 m/s) with dynamic capabilities like 360° spins and balance recovery, using multi-sensor fusion, 3D LiDAR, stereo vision, and SLAM. Next-Gen IRON reaches 7 km/h (1.9 m/s) walking speed, relying on visual SLAM, LiDAR mapping, and indoor SLAM for navigation. L7 excels in high-speed agile movement, while Next-Gen IRON focuses on stable indoor traversal.

Robot Era L7

Sensors & Perception

L7 includes panoramic binocular RGB-D cameras with 360° FOV, 3D LiDAR, 6-axis IMU, microphone array, and speakers for voice interaction. Next-Gen IRON has RGB cameras, stereo cameras, LiDAR, ultrasonic, IMU, gyroscope, force, temperature, and skin touch sensors. Both employ multi-sensor approaches, but L7 emphasizes panoramic vision and Next-Gen IRON adds tactile and environmental sensing.

Next-Gen IRON

AI Capabilities

L7 runs custom AI software on the ERA-42 onboard embodied AI computer, supporting full-body control, autonomous operation, teleoperation, and APIs likely with ROS integration. Next-Gen IRON uses a proprietary OS based on ROS2 with Python and C++ APIs for autonomous control, teleoperation, and learned behaviors. L7 integrates vision-language-action models, while Next-Gen IRON leverages ROS2 for programming flexibility.

Robot Era L7

Battery & Power Efficiency

L7 uses a typical lithium-ion battery, with runtime per charge not specified but supporting high-speed operations. Both indicate long-term power solutions suitable for sustained use, with overlapping durability.

Next-Gen IRON

Use-Case Suitability

L7 targets industrial assembly like screw-driving and sorting, logistics goods-to-person, pharmaceutical handling, and embodied AI research. Next-Gen IRON suits customer guidance, sales assistance, industrial inspection, research, and healthcare support. L7 leans toward high-dexterity factory tasks, while Next-Gen IRON extends to service and collaborative environments.

Robot Era L7

Software Ecosystem

L7 employs custom AI software with ERA-42, likely Linux-based OS and ROS integration, plus APIs for programming, app control, and teleoperation. Next-Gen IRON runs proprietary ROS2-based OS supporting Python and C++ APIs for autonomous and learned behaviors. Both enable developer access, with ROS2 providing standardized tools for Next-Gen IRON.

Next-Gen IRON

Pricing & Value

L7 is priced at USD 120,000 for base research and enterprise configurations. Next-Gen IRON is priced at around $120,000 to $150,000. L7 offers a lower entry point for industrial-focused deployments.

Robot Era L7

Safety Features

L7 includes emergency stop, obstacle avoidance via real-time sensing, and torque-limited joints. Next-Gen IRON features force limiting, collision detection, emergency stop, and collaborative mode. Both prioritize human-safe operation through sensing and control limits.