Kepler Robotics vs Tesla — independent, side-by-side analysis.
Forerunner K2 leads in more DOF, while Optimus Gen 3 leads in higher payload, longer runtime. Overall, Optimus Gen 3 has an edge in 2 out of 3 compared categories.

Kepler Robotics

Tesla
Forerunner K2: $34,800. Optimus Gen 3: No official price or pre-orders; Musk target $20,000–$30,000 at scale. V3 not publicly revealed as of Sep 2026; Fremont lines being installed, first units for internal training (Q2 2026 update). Only confirmed V3 hardware figure: 22-DoF hand, 50 actuators total. Only one of the two has a public unit price; the other publishes a range or enterprise-only terms.
Optimus Gen 3 rates a higher payload at 25 kg vs 15 kg. Payload ratings are vendor claims and do not always include a duty cycle — peak vs sustained payload can differ significantly.
Forerunner K2 is shipping to customers. Optimus Gen 3 is in active development without commercial availability. Status reflects the vendor's published commercial position as of the last review and can change between announcement and actual delivery.
Last updated: 2025