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Head to head
Aria vs Optimus
Aria, from Realbotix, lists at F-Series from $125k · M-Series from $95k · bust from $20k. Launched at $175k.; Optimus, from Tesla, at Target ~$30k at scale; Musk has floated under $20k. Here's how the two compare across price, realism, specifications and availability.
| Status | Shipping | Announced |
|---|---|---|
| Type | Companion | Humanoid |
| Form | Full body | Full body |
| Presents as | Female-presenting | Non-gendered |
| Price | F-Series from $125k · M-Series from $95k · bust from $20k. Launched at $175k. | Target ~$30k at scale; Musk has floated under $20k |
| Subscription | $199.99/mo | — |
| Availability | Shipping now | Targeted H2 2026 |
| Origin | USA | USA |
| Realism index | 64/100 | 34/100 |
| Height | 175 cm · 5 ft 9 in (third-party) | 173 cm · 5 ft 8 in |
| Weight | ~54 kg (third-party) | 57 kg · 125 lb (Gen 2 baseline) |
| Skin & materials | Platinum-cure silicone over an articulated frame | Industrial shells — no synthetic skin |
| Actuation | Electric servos — 17 facial motors, up to 44 DOF | 40+ actuators; hands targeting 22 DoF (Gen 3) |
| Power | Built-in battery | ~2.3 kWh battery |
| Runtime | 4–8 hours (F-Series) | Not officially confirmed |
| AI & conversation | Proprietary deep-learning conversation; AI-agnostic (cloud GPT or on-device) | FSD-derived vision; new AI5 chip for onboard intelligence (Gen 3) |
| Voice | Customisable voices | Grok-based conversational voice (Gen 3 target) |
| Mobility | Wheeled base — does not walk | Bipedal walking demoed ~8 km/h |
| Expressions | 17 facial motors; emotionally aware, tone-matching | No expressive face |
| Languages | 100+ languages | — |
| Connectivity | Wi-Fi, Bluetooth | Wi-Fi / cellular |