Astribot S1vsunitree B2

For power grid and petrochemical facility inspections, where thermal imaging and gas sensing payloads and all-terrain mobility justify cost., B2 is easier to deploy today — S1 is the longer bet on capability.

Astribot S1
Astribot
S1
$96K–$150K
unitree B2
unitree
B2
$77K–$100K
S1
0 wins
vs
B2
2 wins

Category breakdown

Deploy & operate

Readiness, uptime, navigation & connectivity

B2
  • 65
    Deployment readiness
    72
  • 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

B2
  • 32
    Price accessibility
    41
  • 55
    ROI clarity
    58

Capability

Payload, speed, runtime & labor replacement

Even
  • 60
    Labor replacement
    45
  • 5 kg per arm
    Payload
    40 kg (walking sustained); 120 kg (standing)
  • ≥10 m/s end-effector speed; 4 km/h walking speed
    Speed
    6 m/s
  • up to 4.5 hours on full charge
    Battery
    4–6 hours (45 Ah / 2250 Wh capacity); 5 hours without load for 20 km mileage, 4 hours with 20 kg load for 15 km mileage

Fit & future

Environment fit, footprint & long-term upside

Even
  • 70
    Environment fit
    80
  • 75
    Future potential
    68
  • 170 cm height × 60 cm width × 40 cm depth
    Footprint
    Standing: 1098 × 450 × 645 mm; Lying: 880 × 460 × 330 mm
S1 · Best for

Research labs testing whole-body imitation learning and mobile manipulation under controlled conditions

B2 · Best for

Power grid and petrochemical facility inspections, where thermal imaging and gas sensing payloads and all-terrain mobility justify cost.

Final judgment

If immediate deployment is the priority, choose B2. If the goal is to be ready when S1's capabilities mature, track it.

Open interactive comparisonS1B2

More head-to-head