LeTianPai Rux 350g Open-Android Bipedal Desktop AI Companion Robot
350-gram programmable bipedal desktop AI companion running an open Android OS on a quad-core ARM Cortex-A55 SoC (4GB RAM + 32GB ROM), featuring a 2.1-inch circular LCD face, 5MP gesture/face camera, 4-mic array, ToF edge cliff sensors, and third-party APK/Python extensibility.
Editorial Rating Methodology (★ 4.7 / 5.0): This score is an internal editorial evaluation compiled by the RECIWO Labs editorial team—not a user poll or crowd-voted rating. It assesses published silicon compute efficiency (25%), optical/sensor/actuator engineering (25%), battery & thermal envelope (20%), SDK/software openness (15%), and price-to-specification value (15%) based on official manufacturer datasheets and public technical documentation. Learn more about our evaluation rubric →
Key Engineering Highlights
- Unlike closed-firmware desktop pets, Rux runs a full open Android OS backed by 4GB RAM and 32GB storage—allowing developers to sideload Android APKs, custom Python scripts, and Home Assistant dashboards
- Walks across your desk on articulated bipedal servo legs while four downward-facing optical Time-of-Flight (ToF) sensors prevent it from stepping off table edges
- Integrates a 5MP camera for air-gesture recognition, a 4-microphone array for 20-language ChatGPT voice conversations, and magnetic ears for snap-on 3D-printed mods
Full Hardware Specifications
| Processor / Edge SoC | Quad-Core 64-Bit ARM Cortex-A55 Processor (1.8GHz) + 4GB LPDDR4 RAM + 32GB eMMC Flash |
|---|---|
| AI Model Stack | BotLife Autonomous Personality Engine + Cloud ChatGPT Voice Q&A (20+ Languages) + Local Gesture CV |
| Display & Optics | 2.1-Inch Circular Full-Color IPS LCD Face (16.7M Colors w/ Customizable Watchfaces, Stock/Crypto & Pets) |
| Camera & Vision | 5MP Front AI Camera (Supports Face Tracking, Hand-Gesture Commands & Remote Desk Video View) |
| Measured Weight | 350.0g (155 × 116 × 74mm Compact Bipedal Chassis w/ Magnetic 3D-Printable Ear Accessories) |
| Battery & Runtime | 2,000mAh Li-Ion Battery (~4h–5h Active Desk Roaming w/ Included Pogo/Wireless Charging Base) |
| Connectivity & I/O | Dual-Band Wi-Fi (2.4G/5G) + Bluetooth 5.0 + Open ADB / Python / Android APK Developer Mode |
| Sensors & Acoustics | 4-Microphone Far-Field Array + 4× Optical ToF Desk-Edge Cliff Sensors + 6-Axis IMU + 3× Touch Zones |
⚖️ Side-by-Side Comparison: LeTianPai Rux 350g Open-Android Bipedal Desktop AI Companion Robot vs. Desktop & Companion Peers
Direct specification comparison against leading competing devices in the Desktop & Companion category.
| Specification | LeTianPai Rux 350g Open-Android Bipedal Desktop AI Companion Robot (Current) | LOOI Robot Pro MagSafe Desktop Companion → | EMO Pet Gen 3 mmWave Desktop AI Companion → | Energize Lab Eilik DQ Multimodal Desk Bot → |
|---|---|---|---|---|
| Brand | LeTianPai | TangibleFuture | Living.AI | Energize Lab |
| Retail Price | $269 | $169 | $279 | $149 |
| Editorial Rating | ||||
| Edge SoC | Quad-Core 64-Bit ARM Cortex-A55 Processor (1.8GHz) + 4GB LPDDR4 RAM + 32GB eMMC Flash | Base Motion MCU + Smartphone NPU Co-Processing | Quad-Core ARM AI SoC (6 TOPS NPU) | Dual-Core Edge Voice SoC + Servo MCU |
| AI Model Stack | BotLife Autonomous Personality Engine + Cloud ChatGPT Voice Q&A (20+ Languages) + Local Gesture CV | Multimodal Character Engine + Live Vision Sensing | Edge Face/Pose Vision + Cloud Emotional LLM | Cloud LLM + Local Emotion State Machine |
| Display / Optics | 2.1-Inch Circular Full-Color IPS LCD Face (16.7M Colors w/ Customizable Watchfaces, Stock/Crypto & Pets) | Uses Smartphone OLED Screen (60fps animations) | 1.54-inch IPS Expressive Eye Display (60Hz) | 1.54" High-Contrast IPS Expression Screen |
| Camera | 5MP Front AI Camera (Supports Face Tracking, Hand-Gesture Commands & Remote Desk Video View) | Smartphone Front Camera + Base ToF Obstacle Sensor | 1080P Wide-Angle AI Camera w/ Physical Shutter | Privacy-First Camera-Free Design |
| Weight | 350.0g (155 × 116 × 74mm Compact Bipedal Chassis w/ Magnetic 3D-Printable Ear Accessories) | 430g | 268g | 230g |
| Battery | 2,000mAh Li-Ion Battery (~4h–5h Active Desk Roaming w/ Included Pogo/Wireless Charging Base) | 6,000mAh internal battery + USB-C passthrough | 1,500mAh + Autonomous Illuminated Skateboard Charger | 4h Untethered / USB-C Continuous Desk Use |
📚 Related Engineering Teardowns & Reviews
Browse All 123 Articles →LG Smart Home AI Agent (Q9 Qualcomm RB5) vs LeTianPai Rux (Open Android) vs Samsung Ballie Comparison: Articulated Wheel-Leg Home Butler vs 350g APK Desk Bot
A technical robotics and software architecture comparison of the LG Smart Home AI Agent Q9 ($899, autonomous two-wheeled bipedal home companion powered by the 15-TOPS Qualcomm Robotics RB5 platform with articulated wheel-legs, vocal/facial emotion recognition, PM2.5 air-quality sensors, and Matter/ThinQ control), LeTianPai Rux ($269, 350g open-Android bipedal desktop robot with 4GB RAM, 32GB ROM, ToF cliff sensors, and third-party APK/Python SDK support), and Samsung Ballie ($1,199).
Figure 02 (16-DoF Hands & Helix VLA) vs Agility Robotics Digit (Backward-Knee Tote Biped) vs Apptronik Apollo Comparison: Factory Dexterity vs Warehouse Logistics
A technical mechanical and Embodied AI architecture comparison of the Figure 02 (~$58,000, 168cm / 70kg industrial humanoid deployed at BMW Spartanburg with 4th-gen 16-DoF hands, load-bearing exoskeleton, 2.25 kWh 5h battery, and Helix VLA speech-to-speech intelligence), Agility Robotics Digit (~$55,000, 175cm / 64kg 30-DoF avian backward-knee warehouse tote handler at GXO and Amazon), and Apptronik Apollo (~$52,000).
Khadas Mind 2 AI Maker Kit (Lunar Lake 115 TOPS) vs Thundercomm RUBIK Pi 3 (QCS6490 8GB/128GB) vs Particle Tachyon Comparison: Modular eGPU PC vs $119 Edge SBC
A technical silicon and edge developer hardware comparison of the Khadas Mind 2 AI Maker Kit ($1,099, 435g modular mini workstation with Intel Core Ultra 7 258V Lunar Lake, 32GB on-package LPDDR5X-8533, 115 total AI TOPS, built-in 5.55Wh hot-swap standby battery, and PCIe 5.0 Mind Link eGPU expansion), Thundercomm RUBIK Pi 3 ($119, 100×75mm Qualcomm Dragonwing QCS6490 12-TOPS NPU board with 8GB RAM and 128GB UFS 2.2), and Particle Tachyon ($149).
INMO GO2 vs ASUS AirVision M1 vs XREAL One Pro Comparison: 52g 2,000-Nit Binocular Translation Waveguide vs 87g 1,100-Nit Micro-OLED 3DoF Workspace
A technical optical and system architecture comparison of the INMO GO2 ($399, 52g standalone binocular JBD 2,000-nit green MicroLED diffractive waveguide AI translation smart glasses with 5-mic beamforming, dual 440mAh batteries, and the INMO Ring 2 tactile controller), ASUS AirVision M1 ($699, 87g tethered dual Sony 1080p Micro-OLED wearable display with 1,100 nits, 57° vertical FOV, and native 3DoF multi-monitor pinning), and XREAL One Pro ($599).