K2 Forerunner vs Mercury X1
Side-by-side comparison of K2 Forerunner (Kepler Robotics) and Mercury X1 (Elephant Robotics) — specs, pricing, Robolist Trust Score, and verified deployments. Updated daily.
 K2 ForerunnerhumanoidKepler Robotics—Trust Score |  Mercury X1humanoidElephant Robotics16.7Trust Score | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | China | CN |
| Year First Available (values differ) | 2025 | 2023 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | US$60,000 | US$15,999 |
| Battery / Shift Runtime | 8 hrs | 8 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Height (values differ) | 1750 mm | 1180 mm |
| Weight (values differ) | 75 kg | 55 kg |
| Walking Speed | 1.2 m/s | 1.2 m/s |
| Terrain (values differ) | both | — |
| Payload & Dexterity | ||
| Payload (values differ) | 25 kg | 1 kg |
| Total DOF (values differ) | 52 | 19 |
| Arm DOF (values differ) | 7 | — |
| Hand DOF (values differ) | 11 | — |
| Compute & AI | ||
| Onboard Compute (values differ) | 100 TOPS Nebula AI system | Jetson Orin Nano SUPER 8GB |
| Programming (values differ) | teleoperation | — |
| Battery & Power | ||
| Runtime | 8 hrs | 8 hrs |
| Software | ||
| SDK Languages (values differ) | teleoperation | — |
| ROS Support (values differ) | Yes | — |
| Open API (values differ) | Yes | — |
| Reliability | ||
| IP Rating (values differ) | IP54 | — |
| Commercial | ||
| Price (USD) (values differ) | $60,000 | $15,999 |
| Price Tier (values differ) | 40-80K | — |
| Pricing Model (values differ) | purchase | — |
| Warranty (values differ) | 2 yrs | — |
| Applications (values differ) | quality control, inspection, materials handling | — |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Mobility Type, Humanoid Subtype, Running Capable, Stair Climbing, Payload (Peak), Arm Reach, Grip Strength, Manipulation Repeatability, Bimanual Coordination, Tool Use, Compute Platform, VLM Capable, Foundation Models, Imitation Learning, Teleoperation, Battery Capacity, Charging Time, Charging Method, Battery Swap, Avg Power Consumption, Force-Limited Arms, Fall Recovery, Fall Detection Response, Emergency Stops, Human Detection Method, Safe Speed Near Humans, Simulation Platforms, Air-Gap Capable, MTBF, Task Success Rate, Deployment Maturity, Noise Level, RaaS / Month, Developer Unit Price, Delivery Lead Time, Production Pilots
About this comparison
K2 Forerunner 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.