Atlas vs Phoenix
Boston Dynamics vs Sanctuary AI — specs, price, and data-backed comparison.
QUICK TAKE
- Atlas offers the higher payload (50 kg vs 25 kg).
- Phoenix offers the lighter build (70 kg vs 90 kg).
- Atlas is the newer platform (2,024 vs 2,023).
SPECIFICATIONS COMPARED
| Atlas | Phoenix | |
|---|---|---|
| Company | Boston Dynamics | Sanctuary AI |
| Category | Humanoid | Humanoid |
| Price: | Not announced | Not announced |
| Released: | 2024 | 2023 |
| Weight | 90 kg | 70 kg |
| Payload | 50 kg | 25 kg |
| Reach | 2.3 m | — |
| Degrees of Freedom | 56 | — |
| Speed | — | 5 km/h |
| Battery Life | 240 min | — |
| Connectivity | Wired / wireless | — |
| Software / AI | Proprietary control systems | — |
Buying guides and prices
FREQUENTLY ASKED QUESTIONS
What is the difference between the Atlas and the Phoenix?
Atlas is made by Boston Dynamics, while Phoenix is made by Sanctuary AI. Both are humanoids, so the differences come down to price and specifications.
Which has the higher payload, the Atlas or the Phoenix?
The Atlas has the higher payload at 50 kg, compared to 25 kg for the Phoenix.


