For small, fairly flat, open suburban lawns where buyers want wire-free mowing on a budget. Hilly or heavily shaded yards should look elsewhere.
Amazon $836.98 Sunseeker $999.99The Sunseeker X3 Plus and the Anthbot N8 are evenly matched, rated 3.6 and 3.6. The Sunseeker X3 Plus leads on value. The Anthbot N8 wins on slopes and warranty. The Sunseeker X3 Plus costs $862.02 less ($836.98 vs $1,699).
For lawns of about a third of an acre whose owners want clippings and leaves collected rather than mulched. If mulching is fine, a cheaper mower covers more ground.
Amazon $1,699 Anthbot $1,699Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Sunseeker X3 Plus for value ($2,790 per rated acre vs $4,530 per rated acre).
- Choose the Anthbot N8 for slopes (45% (24°) slopes vs 30% (17°) slopes) and warranty (3-year warranty vs 2-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 1/4 to 1 acre robot lawn mower; a clear win is highlighted. How we rank explains each one.
| Factor weight | Sunseeker X3 Plus | Anthbot N8 |
|---|---|---|
| Overall rating | 3.6/5 | 3.6/5 |
| Value 30% | 71 $2,790 per rated acre | 33 $4,530 per rated acre |
| Navigation 20% | 80 RTK + vision, no boundary wire | 80 RTK + vision, no boundary wire |
| Slopes 20% | 9 30% (17°) slopes | 36 45% (24°) slopes |
| Features 15% | 100 5 of 5 | 100 5 of 5 |
| Warranty 10% | 33 2-year warranty | 67 3-year warranty |
| Noise 5% | 50 noise not published (neutral score used) | 80 58 dB(A) rated |
Specifications
| Sunseeker X3 Plus | Anthbot N8 | |
|---|---|---|
| Coverage | ||
| Lawn size (rated) | 0.3 acres (13,100 sq ft) | 0.38 acres (16,300 sq ft) |
| Max slope | 30% (17°) | 45% (24°) |
| Battery | - | 9.2 Ah |
| Navigation | ||
| Navigation | RTK + vision | RTK + vision |
| Boundary wire needed | No | No |
| RTK station | Included | Included |
| Obstacle avoidance | AI camera + ultrasonic | Dual 150° HDR AI cameras |
| Multiple zones | Yes | Yes |
| No-go zones | Yes | - |
| Cutting | ||
| Cutting width | 8 in (203 mm) | - |
| Cutting height | 1.6–3.2 in | - |
| Blades | Offset blade disc | 3-blade mowing disc or dual-layer 6-blade mulching disc (both included) |
| Edge mowing | Ride-on-edge cutting with offset blade disc | - |
| Smart features | ||
| Connectivity | - | 4G |
| Rain sensor | - | Yes |
| Anti-theft | GPS tracking and geofence alerts | Anti-theft protection (details not published) |
| Build | ||
| Noise (rated) | - | 58 dB(A) |
| Water resistance | - | IPX6 |
| Warranty | 2 years | 3 years |
