Forerunner K2 vs L7: Specs, Price & ROS Support Compared (2025)
Kepler Robotics vs RobotEra — independent, side-by-side analysis.
Quick Verdict
L7 leads in more DOF, higher payload. Overall, L7 has an edge in 2 out of 2 compared categories.
Forerunner K2
Kepler Robotics
L7
RobotEra
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Forerunner K2 L7
Specifications
$20,000Price~$60,000–$90,000
178 cmHeight171 cm
85 kgWeight65 kg
52DOF55
15 kgPayload20 kg
8hRuntime—
—Speed4 m/s
YesStairsYes
NoLiDARNo
100 TOPSCompute80 TOPS (x86) + 275 TOPS (NVIDIA Orin)
Pros and cons at a glance
Forerunner K2
Pros
- Open for preorders
- Long runtime (8h per charge) for full-shift operation
- 52 degrees of freedom — full-body articulation
Cons
- Closed software stack — no public SDK or ROS support
L7
Pros
- Shipping to customers (verified commercial availability)
- 55 degrees of freedom — full-body articulation
Cons
- Unit price not publicly disclosed (quote-on-request or enterprise-only)
- Closed software stack — no public SDK or ROS support
Frequently asked questions
How do Forerunner K2 and L7 compare on price?
Forerunner K2: $20,000. L7: ~$60,000–$90,000. Only one of the two has a public unit price; the other publishes a range or enterprise-only terms.
Which has higher payload: Forerunner K2 or L7?
L7 rates a higher payload at 20 kg vs 15 kg. Payload ratings are vendor claims and do not always include a duty cycle — peak vs sustained payload can differ significantly.
Is Forerunner K2 or L7 actually available to buy?
Forerunner K2 is open for preorders. L7 is shipping to customers. Status reflects the vendor's published commercial position as of the last review and can change between announcement and actual delivery.
Last updated: 2025