Closed hardware
Atlas (hydraulic)
Boston Dynamics · Humanoid · discontinued · 2013
Hydraulic research humanoid first built for the DARPA Robotics Challenge, later known for parkour and gymnastics demos. Retired April 16, 2024.
One way to get Atlas (hydraulic)
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- Drawing
- /bostondynamics/atlas-hydraulic
- Maker
- Boston Dynamics
- Country
- Waltham, US
- Package rev
- none
- Level
- L0 Indexed
- Availability
- Research only
- Openness
- 0/100
- HW licence
- unknown
- Last checked
- 2026-09-24
- Actuators
- Hydraulic
Retirement announced on YouTube Apr 16, 2024; electric Atlas unveiled the next day.
Build · not possible
Build it. Buy it, or build something like it.
Closed hardware; no public CAD or BOM.
- Availability
- Research only
- Indicative price
- Not for sale
- Price note
- Never sold commercially.
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- Berkeley Humanoid Lite/berkeley/humanoid-lite · same class, size unknownL2
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- Fourier N1/fourier/n1 · same class, size unknownL2
- ToddlerBot/stanford/toddlerbot · same class, size unknownL2
Nearest by height and mass where both are known; otherwise same class. Size comparison only, not capability.
Level gate
Holds L0 · evidence, not confidence- L0Indexed
Known to exist. Atlas page only.
- 2 sources on record(met)
- L1Compiled
Package validates against the spec; every fact has a source.
- No build package compiled(not met)
- 2 sources across robot and package(met)
- L2Sim-verified
Loads in browser and GPU sim, mass within tolerance of the BOM, holds a stand. Unlocks .training.
- No public URDF/MJCF(not met)
- Sim load, mass tolerance and stand are checked on .training(checked elsewhere)
- L3Sourced
Every BOM line resolves to a live offer in at least two regions. Unlocks the one-click cart.
- Not reachable: no open hardware to source or build.
- L4Built
At least one community build report with photos and bring-up logs. Unlocks Build it as the main action.
- Not reachable: no open hardware to source or build.
- L5Certified
The robot's maintainer signs the package. Unlocks certified teams and kit sales.
- Not reachable: no open hardware to source or build.
Levels are cumulative and set by the registry from reviewed evidence. This panel shows what can be measured from the package today.
Same robot, other verbs
- Know ithumanoidrobots.systems/bostondynamics/atlas-hydraulic
- Build ithumanoidrobot.buildClosed hardware; no public CAD or BOM.
- Train ithumanoidrobots.trainingNo public URDF or MJCF.
- Find its crewhumanoidrobots.teamNot sold to individuals or labs.
- See it on the maphumanoidrobots.earthNo public units to map.
Revisions and sources
Every fact on this sheet traces to one of these| Rev | Description | Checked |
|---|---|---|
| PKG | No build package compiled | — |
| S1 | TechCrunch - retirementtechcrunch.com | 2026-09-24 |
| S2 | Wikipedia - Atlasen.wikipedia.org | 2026-09-24 |