Poppy Humanoid vs Sanctuary Phoenix
Generated from the registry · revision 2026-09-26 · openness out of 100
Poppy Humanoid is 86 cm shorter (84 vs 170 cm) and 66.5 kg lighter (3.5 vs 70 kg) than Phoenix. Openness score: Poppy Humanoid 90, Phoenix 0 (of 100); only Poppy Humanoid publishes CAD, BOM, SIM, FW and SW. Availability: Poppy Humanoid kit, Phoenix not for sale.
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Side by side
■ rows differ| Field | Poppy Project (Inria Flowers)Poppy Humanoid | Sanctuary AISanctuary Phoenix | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Poppy Project (Inria Flowers) | Sanctuary AI | |
| Class | Humanoid | Humanoid | |
| Status (differs) | Orphaned | Research | |
| Availability (differs) | Kit | Not for sale | |
| Country (differs) | France | Canada | |
| Year | —unsourced | 2023 | |
| Specifications | |||
| Height (differs) | 84cm | 170cm | −86 cm (-51%) |
| Mass (differs) | 3.5kg | 70kg | −66.5 kg (-95%) |
| Degrees of freedom | 25 | —unsourced | |
| Payload | —unsourced | 25kg | |
| Top speed | —unsourced | 1.3m/s | |
| Runtime | —unsourced | —unsourced | |
| Battery capacity | —unsourced | —unsourced | |
| Price | —unsourced | Not for sale | |
| Actuators (differs) | Dynamixel: 19 MX-28AT, 4 MX-64AT, 2 AX-12A | Hydraulic hands (20 DOF total across both hands) | |
| Compute (differs) | Raspberry Pi (current kit version) | Carbon AI control system | |
| Sensors | —unsourced | Haptic sensing in hands | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 90/ 100 | 0/ 100 | +90 |
| CAD (25) (differs) | public | not public | |
| Bill of materials (20) (differs) | public | not public | |
| Sim model (URDF/MJCF) (20) (differs) | public | not public | |
| Firmware (15) (differs) | public | not public | |
| Software (10) (differs) | public | not public | |
| Trained policies (10) | not public | not public | |
| Verification level (differs) | L1 | L0 | |
| Sources (differs) | 6 | 2 | |
| Last checked (differs) | 2026-09-25 | 2026-09-24 | |
A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Poppy Humanoid, Phoenix.
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