KAIST (Korea Advanced Institute of Science and Technology) · robot dog
RAIBO 2
A research quadruped that ran the Sangju marathon on a 2,016 Wh battery with a third of its charge left, steered by a remote support team. Speed is its marathon average (5.9 mph).
- Price
- —Not published
- Height
- —Not published
- Weight
- —Not published
- Payload
- —Not published
- Speed
- 9.5 km/hFaster than 44%
- Battery
- —Not published
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Why it matters
The first quadruped to finish a full marathon (42.195 km) on one charge, in 4 h 19 min 52 s.
Real-world use
No customers or deployments reported yet.
Maker
KAIST (Korea Advanced Institute of Science and Technology)University lab · Daejeon, South KoreaAgency for Defense Development (5.7 billion won for Pibot)
How it stacks up
Against other robot dogs that publish the figure. Pick a measure.
RAIBO 2 is faster than 44% of the 34 other robot dogs that publish a speed. Bars show the 7 closest in date.
Not published by the maker: height, weight, payload, joints, battery, price.
Public attention
How much public attention RAIBO 2 gets, from open data.
- No Wikipedia article of its own yet
- 2 news stories from reputable press listed on this page
Measures how much people read and write about a robot, not how good it is. Measured 2026-10-13; same method for every robot. How it is measured
What’s inside
The parts the company has talked about publicly.
- Movement
- Walks on legs
- How it runs
- Assisted. During the marathon a support team steered it remotely while it balanced and ran on its own.
- Actuators & motors
- Custom low-resistance motor driver boards and lightened legs designed for energy efficiency
- Sensors & vision
- Head camera streaming the route to a remote operator
- Battery & power
- 2,016 Wh, 16s10p lithium-ion pack; finished a full marathon with over a third left
- AI & software
- Gait trained in simulation (RaiSim) with reinforcement learning, rewarding soft foot placement; steered by a human during the marathon
- Other details
- Ran 42.195 km in 4 h 19 min 52 s at the Sangju marathon on 17 November 2024, with a cost of transport of 0.25 (reported as lower than a human runner).
From the maker
RAIBO 2 is the only machine from KAIST Robotics and AI Lab in the atlas.
KAIST (Korea Advanced Institute of Science and Technology) also makes 6 humanoids. See every KAIST (Korea Advanced Institute of Science and Technology) robot
Watch RAIBO 2
Made, sold and where
Unit counts are usually company figures; analysts often disagree.
- Price
- Not published
- How to get one
- No official buying page found
- Sold or delivered
- Not sold (university research robot)
- Where it is sold or used
- Robotics and Artificial Intelligence Lab, KAIST, Daejeon, South Korea
News
The latest 2, newest first. Summaries are ours; tap through for the original.
- Marathon robot dog published in Nature
Popular Science covered the Nature paper describing how RAIBO2 ran a marathon on one charge.
Popular Science - RAIBO2 finishes the Sangju marathon
KAIST's lab reported RAIBO2 completed the full course on a single charge with a remote operation team.
KAIST RAI Lab
Sources
Figures come from press coverage. Every link below backs something on this page.
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