Tesla vs Sanctuary AI — independent, side-by-side analysis.
Optimus Gen 2 leads in faster speed, while Phoenix leads in more DOF, higher payload. Overall, Phoenix has an edge in 2 out of 3 compared categories.

Tesla

Sanctuary AI
5
Optimus Gen 2
8
Phoenix
Fully proprietary. No public SDK/API. Closed ecosystem.
Carbon AI fully proprietary. Microsoft Azure backend.
Optimus Gen 2: $20,000–$30,000 target at scale; not for sale, no MSRP. Optimus V3 not unveiled as of Sep 2026; Fremont line being installed, production expected later in 2026 (Q2 2026 update). Phoenix: Contact (enterprise). Phoenix Gen 8 still in development; since mid-2026 Sanctuary also sells its Carbon control software on third-party industrial robots.
Phoenix rates a higher payload at 25 kg vs 20 kg. Payload ratings are vendor claims and do not always include a duty cycle — peak vs sustained payload can differ significantly.
Last updated: 2023