1X Technologies vs Sanctuary AI — independent, side-by-side analysis.
NEO leads in more DOF, faster speed. Overall, NEO has an edge in 2 out of 2 compared categories.

1X Technologies

Sanctuary AI
10
NEO
8
Phoenix
Proprietary World Model AI. No public SDK.
Carbon AI fully proprietary. Microsoft Azure backend.
NEO: $20,000. Phoenix: Contact (enterprise). Only one of the two has a public unit price; the other publishes a range or enterprise-only terms.
NEO is shipping to customers. Phoenix is in active development without commercial availability. Status reflects the vendor's published commercial position as of the last review and can change between announcement and actual delivery.
Last updated: 2026