Booster Robotics K1
The Booster K1 is a 95cm KidSize humanoid robot from Booster Robotics, aimed at education, research and serious hobbyists. Pricing starts around $4,999 and climbs toward $12,500 for higher-spec editions, and it's genuinely available to buy, including through US resellers. It won the RoboCup 2025 KidSize Humanoid League, so it's a proven, programmable platform rather than vaporware.
What is the Booster Robotics K1?
If most humanoid robots feel like six-figure lab equipment, the Booster K1 is a refreshing outlier. It's small, relatively affordable, and clearly built for people who actually want to program a bipedal robot themselves, students, researchers, and hobbyists with a home lab.
Starting around $4,999, the K1 undercuts almost every full-size humanoid on the market, and it backs that up with a real competitive pedigree: it won the RoboCup 2025 KidSize Humanoid League. This isn't a robot that just stands around, it's designed to move, balance and be tinkered with.
This guide covers what the K1 is, the different editions and their prices, how autonomous it is, and whether it's the right pick versus a Unitree G1 for someone who wants to learn robotics hands-on.
What is the Booster K1 and what is it for?
The Booster K1 is a KidSize humanoid robot, 95 cm tall and just 19.5 kg, built as an accessible development platform. It has 22 degrees of freedom, including 6-DoF legs and 4-DoF arms, with force-controlled joints that give it fairly natural walking and gestures.
On the perception and compute side it carries an RGBD depth camera, a 9-axis IMU and a microphone array, with onboard AI compute configurable from 40 TOPS up to 200 TOPS depending on edition, using NVIDIA Jetson Orin NX. It supports ROS2, ships with simulation models, and is built for secondary development.
In plain terms: it's a robot you buy to program, whether that's for a classroom, a research project, or a RoboCup team. Not a home helper, a learning and research tool.
How much does the Booster K1 cost?
The K1's starting price is $4,999, which is remarkably low for a real bipedal humanoid. Higher-end configurations push up toward $12,500, and European pricing has been listed from around €39,000 for certain bundles.
The spread comes down to editions. A Geek Edition sits at the entry level, an EDU Edition adds more compute and a longer warranty, and a Pro Edition tops out with 200 TOPS of compute. More compute and longer support push the price up.
Comparerd to the $50k-and-up world of full-size humanoids, the K1 is squarely a budget-conscious entry point, which is a big part of its appeal for schools and labs.
What are the different Booster K1 editions?
Booster offers the K1 in a few tiers, and the differences mostly come down to compute and warranty. The Geek Edition provides around 48 TOPS with roughly a 50-minute battery and a shorter, 3-month warranty, positioned as the affordable enthusiast option.
The EDU Edition steps up to somewhere in the 40-117 TOPS range with an 80-minute battery and a full 1-year warranty, aimed at classrooms and institutions. The Pro Edition maxes things out at 200 TOPS, also with an 80-minute battery and a 1-year warranty, for demanding research and AI-training work.
Battery life on the base configuration runs shorter, around 40 minutes of active use, so heavier users will want one of the longer-endurance editions.
How autonomous is the Booster K1?
The K1 is best understood as a platform for building autonomy rather than a robot that arrives fully autonomous. Out of the box it walks, balances and can be driven through its SDK, but the interesting behaviours come from what you program.
Because it supports ROS2 and ships with simulation models, developers can train and test policies in sim before deploying to the hardware, a workflow that carried a Booster platform to that RoboCup championship. The force-controlled joints make it capable of surprisingly stable, human-like motion once tuned.
So autonomy here is a function of your own code and models. That's the whole point, it's a research and education machine, not a plug-and-play appliance.
Booster K1 vs Unitree G1: which should you buy?
Both are popular, relatively affordable humanoids for developers, but they target slightly different buyers. The Unitree G1 is larger, more expensive, and pushes toward broader research and more advanced manipulation.
The Booster K1 is smaller, cheaper and laser-focused on education, RoboCup-style competition and accessible bipedal development. If your goal is teaching, a student team, or getting into humanoid programming without a huge outlay, the K1's $4,999 entry point is hard to beat.
If you need more size, payload and headroom for advanced work, the G1 makes more sense. For classrooms and first-time humanoid developers, the K1 wins on value.
Is the Booster K1 worth it and who is it for?
For its intended audience, the K1 is genuinely one of the best-value humanoids you can buy in 2026. A RoboCup-winning, ROS2-compatible bipedal robot starting at $4,999 is remarkable, and it's actually available, including via US resellers.
Who it's for: educators, university and school robotics teams, researchers on a budget, and hobbyists who want to program a real walking robot at home. It rewards people willing to write code and get their hands dirty.
Who it's not for: anyone hoping for a robot butler. The K1 won't do your dishes, and it isn't trying to. Buy it to learn and build, and it delivers.
Who the Booster K1 is — and isn't — for
+Where it shines
- You can actually buy or reserve it as an individual, at a consumer price.
- Among the most affordable humanoids on the market right now.
- Open developer access (SDK/API) — good for builders and labs.
!Watch-outs
- Public data is thin; verify key figures before relying on them.
How the Booster K1 stacks up
Side by side with similar robots — the one you're reading about is highlighted.
| This robot Booster Robotics Booster K1 |  Unitree Robotics Unitree R1 |  Unitree Robotics Unitree G1 |  Unitree Robotics Unitree H1 | |
|---|---|---|---|---|
| Price (US) | $4,999 – $12,500 | $4,900 – $5,900 | $13,500 – $73,900 | ~$90,000 |
| Availability | On the market | On the market | On the market | On the market |
| Height | 95 cm | 1.23 m | 1.32 m standing | ~1.80 m |
| Payload | Unknown | Unknown | Arm ~2 kg | Not rated for H1 |
| DoF | 22 | 20 | 23 | ~19 |
| Buyer | Individuals | Individuals | Individuals | Enterprise |
| Made in | China | China | China | China |
What the Booster K1 costs — and how to get one
Booster K1 $4,999-$12,500; 95cm KidSize edu/dev humanoid via US.
Direct via / US Robot Store
Leasing / RaaS: unknown
Every spec, grouped & sourced
Tap a group to expand. Values are labelled official vs third-party; unknowns are omitted, not guessed.
Body & movement▾
Power & endurance▾
Hands & senses▾
Brains & control▾
Claims vs evidence
Dev platform; embodied-AI research
Where it's working
Education/research
Intended use cases: Education, research and hobby; accessible bipedal platform for the home lab and classroom
Should you consider the Booster K1?
The Booster K1 is one of the best-value humanoids on the market for its purpose: a RoboCup-winning, ROS2-friendly bipedal robot starting at $4,999 that's actually available, including in the US. It's ideal for education, research and hobbyist development, just don't expect a household helper, that's not what it's for.
Score reflects stated criteria (availability, data confidence, US relevance) — not hands-on testing or user ratings. We're an independent review & comparison site; we don't sell robots. *Financing figure is illustrative.
How we know this
Data confidence 52/100 · last verified 2026-06-30. Specs are labelled official vs third-party and dated; unknowns are omitted, not guessed.
Booster K1 — your questions, answered in full
How much does the Booster K1 cost?+
It starts at $4,999, with higher-spec editions reaching about $12,500. European bundles have been listed from around €39,000. The price mainly scales with onboard compute and warranty length.
Can you buy the Booster K1 in the US?+
Yes. It's genuinely available and sold through US resellers as well as international distributors, which makes it one of the more accessible humanoids for North American buyers.
What can the Booster K1 do?+
It walks, balances and gestures using force-controlled joints, and serves as a programmable platform for education, research and competition. It famously won the RoboCup 2025 KidSize Humanoid League. It's built to be coded, not to do household chores.
How tall is the Booster K1?+
It's 95 cm tall, a KidSize humanoid, and weighs just 19.5 kg, which makes it easy to handle in a classroom or lab.
What's the difference between the K1 editions?+
The Geek Edition offers around 48 TOPS with a shorter warranty, the EDU Edition adds more compute and a 1-year warranty for classrooms, and the Pro Edition tops out at 200 TOPS for demanding research. Higher tiers also tend to have longer battery life.
Is the Booster K1 good for beginners?+
It's beginner-friendly for the robotics-inclined. It supports ROS2 and ships with simulation models, so it's approachable for students and hobbyists willing to learn, but it's a development platform, not a consumer appliance.
How long does the Booster K1's battery last?+
Roughly 40 minutes on the base configuration, extending to about 80 minutes on the EDU and Pro editions, so heavier users should pick a longer-endurance tier.
Peer-reviewed research on the Booster K1
Published academic work — peer-reviewed papers and preprints — involving this robot or its maker's systems, indexed in scholarly databases (OpenAlex, arXiv). Not blog posts or press write-ups.
- Booster Gym: An End-to-End Reinforcement Learning Framework for Humanoid Robot LocomotionYushi Wang, Penghui Chen, Xinyu Han, Feng Wu, Mingguo Zhao · 2025 · arXiv:2506.15132 (cs.RO)
- Booster Lab: A Data-Centric Pipeline for Learning Deployable Humanoid Locomotion PoliciesPenghui Chen, Tinglong Zheng, Yufeng Zhang, Mingguo Zhao · 2026 · arXiv:2606.27813 (cs.RO)
- PACE: Physics Augmentation for Coordinated End-to-end Reinforcement Learning toward Versatile Humanoid Table TennisMuqun Hu, Wenxi Chen, Wenjing Li, Falak Mandali, Zijian He, Renhong Zhang, Praveen Krisna, Katherine Christian, Leo Benaharon, Dizhi Ma, Karthik Ramani, Yan Gu · 2025 · arXiv preprint · DOI 10.48550/arXiv.2509.21690
Academic references are factual citations from open scholarly indexes; listing is not endorsement.