Chips and edge compute
Tesla FSD Computer AI4 (HW4)
United States
The only humanoid brain built fully in-house at automotive scale: the same AI4 computer runs Tesla cars and Optimus, and Musk calls the 8x-faster AI5 'absolutely critical' for Optimus, admitting AI4 is not enough for the humanoid program.
VendorTesla
CountryUS
Typein-house chip
AI perfNot officially disclosed; third-party estimates ≈100–150 TOPS INT8 for the dual‑SoC AI4 system
AvailabilityIn production (Tesla vehicles and Optimus); successor AI5 taped out, engineering samples expected late 2026, volume 2027
MemoryGDDR6 (~384 GB/s per third-party analyses); AI4+ variant announced 2026 with doubled memory (32 GB per SoC)
Form factorDual-SoC redundant compute board shared between vehicles and Optimus
Applicationshumanoid, automotive
Used byTesla Optimus
Sources : Electrek (2025-11-25)Wikipedia (2026-07-09)Not a Tesla App (2026-07-09)Teslarati (2026-07-09)
← Back to comparator · Chips and edge compute