Charlie vs Mercury X1
Side-by-side comparison of Charlie (DFKI Robotics Innovation Center) and Mercury X1 (Elephant Robotics) — specs, pricing, Robolist Trust Score, and verified deployments. Updated daily.
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 CharliehumanoidDFKI Robotics Innovation Center10.0Trust Score |  Mercury X1humanoidElephant Robotics16.7Trust Score | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | — | CN |
| Year First Available (values differ) | 2012 | 2023 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | Contact for quote | $15,999 |
| Battery / Shift Runtime (values differ) | 24 hrs | 8 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Height (values differ) | 25 cm | 1180 mm |
| Weight (values differ) | 18 kg | 55 kg |
| Mobility Type (values differ) | wheeled | — |
| Humanoid Subtype (values differ) | research platform | — |
| Walking Speed (values differ) | 1 m/s | 1.2 m/s |
| Stair Climbing (values differ) | none | — |
| Terrain (values differ) | flat_indoor | — |
| Payload & Dexterity | ||
| Payload (values differ) | 120 kg | 1 kg |
| Total DOF (values differ) | 6 | 19 |
| Arm DOF (values differ) | 6 | — |
| Hand DOF (values differ) | 8 | — |
| Compute & AI | ||
| Onboard Compute (values differ) | Mini ITX computer with DFKI ZynqBrain | Jetson Orin Nano SUPER 8GB |
| Teleoperation (values differ) | joystick, web_interface | — |
| Programming (values differ) | joystick, teleoperation | — |
| Battery & Power | ||
| Runtime (values differ) | 24 hrs | 8 hrs |
| Charging Time (values differ) | 2.5 hrs | — |
| Charging Method (values differ) | manual swap | — |
| Battery Swap (values differ) | Yes | — |
| Software | ||
| SDK Languages (values differ) | joystick, teleoperation | — |
| Reliability | ||
| Deployment Maturity (values differ) | production pilot | — |
| Commercial | ||
| Price (USD) (values differ) | Contact for quote | $15,999 |
| Pricing Model (values differ) | lease | — |
| Applications (values differ) | space robotics | — |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Running Capable, Payload (Peak), Arm Reach, Grip Strength, Manipulation Repeatability, Bimanual Coordination, Tool Use, Compute Platform, VLM Capable, Foundation Models, Imitation Learning, Battery Capacity, Avg Power Consumption, Force-Limited Arms, Fall Recovery, Fall Detection Response, Emergency Stops, Human Detection Method, Safe Speed Near Humans, ROS Support, Simulation Platforms, Open API, Air-Gap Capable, MTBF, Task Success Rate, IP Rating, Noise Level, Price Tier, RaaS / Month, Developer Unit Price, Delivery Lead Time, Warranty, Production Pilots
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About this comparison
Charlie vs Mercury X1 compares two robots in the humanoid category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robolist Trust Score is calculated.