L7 by Robot Era vs Next-Gen IRON by XPENG

Head-to-head: L7 vs Next-Gen IRON. Explore differences in speed, sensors, navigation, and AI capabilities.

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 estimated at $150,000-$250,000, 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.

Detailed Analysis

Trade-off: +1 each
Next‑Gen IRON

Design & Build Quality

Trade-off

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.

Trade-off: +1 each
Next‑Gen IRON

Mobility & Navigation

Trade-off

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 6 km/h (1.67 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.

L7: +2
L7

Sensors & Perception

Winner 🏆 L7

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.

L7: +2
L7

AI Capabilities

Winner 🏆 L7

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.

Trade-off: +1 each
Next‑Gen IRON

Battery & Power Efficiency

Trade-off

L7 offers a typical lithium-ion battery lifespan of 3-5 years, with runtime per charge not specified but supporting high-speed operations. Next-Gen IRON provides a 4-year battery lifespan. Both indicate long-term power solutions suitable for sustained use, with overlapping durability.

L7: +2
L7

Use-Case Suitability

Winner 🏆 L7

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.

L7: +2
L7

Software Ecosystem

Winner 🏆 L7

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.

Trade-off: +1 each
Next‑Gen IRON

Pricing & Value

Trade-off

L7 is priced at USD 120,000 for base research and enterprise configurations. Next-Gen IRON ranges from $150,000 to $250,000 estimated. L7 offers a lower entry point for industrial-focused deployments.

Next‑Gen IRON: +2
Next‑Gen IRON

Safety Features

Winner 🏆 Next‑Gen IRON

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.

Analysis Score Summary

Total Score

12

L7

VS

Based on Detailed Analysis

Total Score

6

Next‑Gen IRON

📊 Win: 2 points | Trade-off: 1 point each

Scores are summed across every insight: a clear winner earns 2 points, while balanced trade-offs give each robot 1 point. The total reflects how often each robot outperforms the other (or shares the spotlight) throughout the detailed analysis sections.

Specifications Comparison

SpecificationL7Next‑Gen IRON
Carrying Capacity10 kg per arm5 kg per arm (Estimated)
Deadlift Capacity20 kg15 kg maximum (Estimated)
Degrees of Freedom55 DoF-
Autonomy LevelSemi-autonomous (Full autonomy for learned logistics/industrial tasks)Full autonomous
PriceUSD 120,000 USD (Base configuration for research and enterprise partners)$150,000 - $250,000 USD (Estimated)
Weight65 kg70 kg
Max Speed14.4 km/h (4 m/s) Maximum running Speed6 km/h (1.67 m/s) max walking speed
Runtime6 hours6 hours on full charge (Estimated)
Battery Pack60 V 15 Ah (approx. 900 Wh)2.5 kWh solid-state battery
Dimensions171 x 50 x 40 (cm)178 x 50 x 40 cm

Showing 10 of 54 specifications

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Disclaimer

All content, comparisons, and verdicts on this website are based on our research, testing, and opinion. While we strive for accuracy, we do not guarantee the completeness, reliability, or suitability of any information. Performance, specifications, and results may vary depending on usage and conditions. This website and its authors are not responsible for any decisions, actions, or outcomes based on the information provided. Always verify product details with the manufacturer before making purchase or operational decisions.