Hello Robot Stretch 4vsSony aibo ERS-1000

For tech-enthusiast households seeking a no-maintenance alternative to pet ownership (no walks, no shedding, no vet bills)., aibo ERS-1000 is easier to deploy today — Stretch 4 is the longer bet on capability.

Hello Robot Stretch 4
Hello Robot
Stretch 4
$30K–$30K
Sony aibo ERS-1000
Sony
aibo ERS-1000
$3K–$3K
Stretch 4
2 wins
vs
aibo ERS-1000
1 wins

Category breakdown

Deploy & operate

Readiness, uptime, navigation & connectivity

aibo ERS-1000
  • 72
    Deployment readiness
    82
  • 60
    Maintenance confidence
    60
  • Vision-led navigation (estimated)
    Navigation
    Vision-led navigation (estimated)
  • Wi-Fi / cloud fleet management (estimated)
    Connectivity
    Wi-Fi / cloud fleet management (estimated)

Cost & ROI

Price accessibility and ROI clarity

Even
  • 72
    Price accessibility
    95
  • 58
    ROI clarity
    35

Capability

Payload, speed, runtime & labor replacement

Stretch 4
  • 45
    Labor replacement
    0
  • 2.5 kg (arm extended); 4 kg (arm retracted)
    Payload
    None (companion robot)
  • 60 cm/s (top speed)
    Speed
  • Up to eight hours of runtime
    Battery
    Approximately 120 minutes in standard mode operation

Fit & future

Environment fit, footprint & long-term upside

Stretch 4
  • 85
    Environment fit
    78
  • 78
    Future potential
    72
  • 43 cm diameter base; 160 cm height
    Footprint
    180 × 293 × 305 mm (W × D × H)
Stretch 4 · Best for

Assistive feeding, hygiene support, and fetching items for individuals with quadriplegia or severe mobility impairments

aibo ERS-1000 · Best for

Tech-enthusiast households seeking a no-maintenance alternative to pet ownership (no walks, no shedding, no vet bills).

Final judgment

If immediate deployment is the priority, choose aibo ERS-1000. If the goal is to be ready when Stretch 4's capabilities mature, track it.

Open interactive comparisonStretch 4aibo ERS-1000

More head-to-head