EMPIRICAL 1V1 TELEMETRY & CHORE VERDICT
Fourier GR-2 vs Kepler Forerunner K2: Which Humanoid Should You Choose?
Comparing Fourier Intelligence's Fourier GR-2 ($52,000 CapEx, $2,100/mo RaaS, 40 dBA, 53 DOF) against Kepler Exploration Robotics's Kepler Forerunner K2 ($30,000 CapEx, $1,350/mo RaaS, 52 dBA, 52 DOF). Every metric below is verified directly against MRFL hardware and domestic chore telemetry.
// INTERACTIVE 6-AXIS TELEMETRY RADAR & BUYER PERSONA VERDICT
Select Your Priority Profile: Which Robot Wins for Your Situation?
PRICES SHOWN IN USD: $52,000 vs $30,000
Fourier GR-2 (76/100)Kepler Forerunner K2 (61/100)
PERSONA WINNER FOR FAMILY WITH KIDS & PETS:FOURIER GR-2 WINS BY +15 PTS
Weights child/pet impact compliance, whisper-quiet operation (<42 dBA), wine-glass dishwashing, and daily toy/laundry chores highest. Under this weighting, Fourier GR-2 scores 76/100 vs. Kepler Forerunner K2 at 61/100.
Quiet & Home Safety83vs34
Dishes & Laundry80vs70
Stairs & Heavy Lift30vs53
Price / RaaS Value81vs93
DOF & AI Compute73vs85
Battery & Runtime85vs83
BEST FOR HOME, KIDS & QUIET LIVING
Fourier GR-2
40 dBA operating acoustics • ISO 13482 Child & Pet Safe
BEST FOR HEAVY LIFTING & STAIR PAYLOAD
Kepler Forerunner K2
30 kg max payload • 25 kg stair carry • 200 Nm peak torque
BEST ENTRY CAPEX & FASTEST PAYBACK
Kepler Forerunner K2
$30,000 CapEx • $1,350/mo RaaS • 10-week lead time
| BENCHMARK PARAMETER | Fourier GR-2 (Fourier Intelligence) → | Kepler Forerunner K2 (Kepler Exploration Robotics) → |
|---|---|---|
| Direct CapEx Purchase Price | $52,000 USD | $30,000 USD |
| RaaS Monthly Subscription | $2,100/mo | $1,350/mo |
| $1-Buyout Equipment Lease | $2,600/mo | $1,650/mo |
| Delivery Lead Time & Warranty | 8 weeks • 24 mo warranty | 10 weeks • 24 mo warranty |
| Dishwashing & Wine Glass Safety | 4/5 (Wine Glass Safe) | 3/5 (Sturdy/Industrial Only) |
| Laundry Folding Rating | 4/5 (24-DOF hands) | 3/5 (24-DOF hands) |
| Vacuuming & Mopping Rating | 4/5 | 4/5 |
| Max Staircase Grocery Payload | 12 kg | 25 kg |
| Lawn & Garden (Ingress Rating) | 1/5 (IP43 cleanroom and hospital clinic rated) | 3/5 (IP52 dust and splash proof) |
| Operating Noise & Child/Pet Safety | 40 dBA • ISO 13482 Certified | 52 dBA • Supervised / Industrial |
| Doorway Width & Vertical Reach | 56 cm door • 205 cm reach Ultra-Slim (20 cm spare margin in 76 cm doors) | Reaches Top Cabinets & Ceiling Bulbs (205 cm) | 62 cm door • 215 cm reach Fits Standard 76 cm Doors (14 cm margin) | Reaches Top Cabinets & Ceiling Bulbs (215 cm) |
| OTA Chore Horizon (Now -> Yr 1 -> Yr 2) | 40% -> 64% -> 82% | 39% -> 63% -> 81% |
| Kinematics & Peak Joint Torque | 53 DOF • 180 Nm • 63 kg | 52 DOF • 200 Nm • 85 kg |
| Battery Runtime & Compute TOPS | 4.8 hrs (1600 Wh) • 275 TOPS | 4 hrs (2400 Wh) • 550 TOPS |
Fourier GR-2 Buyer Verdict
FULL DOSSIER →[✓] BUY FOURIER GR-2 IF:
- •You need a quiet (40 dBA), child-and-pet certified (ISO 13482 Personal care robots safety standard) humanoid for an active family home or clinic.
- •You want delicate kitchen and laundry automation: rated 4/5 on dishwashing (wine glass safe) and 4/5 on bimanual laundry folding.
- •You run back-to-back commercial shifts and need a hot-swappable 1.60 kWh battery (4.8 hrs runtime per pack) with zero docked downtime.
- •You value expanding OTA capabilities: automates 40% of standard household chores today, scaling to 64% in Year 1 and 82% by Year 2.
[!] DO NOT BUY FOURIER GR-2 IF:
- ×Do NOT operate outdoors in heavy rain, mud, or wet grass: its IP43 cleanroom and hospital clinic rated enclosure is not all-weather sealed. Consider Booster T1 (IP65) or All-Electric Atlas (IP67) for year-round wet outdoor yard work.
- ×Do NOT assign heavy 25 kg commercial crates, masonry bags, or two-person appliance carries on stairs: its safe stair payload is capped at 12 kg (18 kg max lift).
Kepler Forerunner K2 Buyer Verdict
FULL DOSSIER →[✓] BUY KEPLER FORERUNNER K2 IF:
- •You want accessible ownership economics at $30,000 CapEx or $1,350/mo RaaS with a 10-week lead time.
- •You require heavy domestic or commercial lifting (30 kg max payload and 25 kg stair carry with 200 Nm peak torque).
- •You value expanding OTA capabilities: automates 39% of standard household chores today, scaling to 63% in Year 1 and 81% by Year 2.
[!] DO NOT BUY KEPLER FORERUNNER K2 IF:
- ×Do NOT deploy unsupervised in a residential living room with young children or pets: its 85 kg polymer frame (52 dBA) is not ISO 13482 child-safety certified. Consider 1X NEO Beta (38 dBA, soft textile) or Fourier GR-2 (40 dBA) instead.
- ×Do NOT assign fragile crystal stemware or fine china dishwashing (3/5 rating); its end-effectors lack sub-2N stemware slip protection.
- ×Do NOT operate outdoors in heavy rain, mud, or wet grass: its IP52 dust and splash proof enclosure is not all-weather sealed. Consider Booster T1 (IP65) or All-Electric Atlas (IP67) for year-round wet outdoor yard work.
- ×Do NOT schedule continuous 24/7 back-to-back commercial shifts without charging breaks: its 2.40 kWh internal battery (4 hrs runtime) is not hot-swappable and requires a 60-minute docked recharge.
MRFL Verification & Fair-Use Disclosure: All specifications, pricing, decibel ratings, and ISO compliance records for Fourier GR-2 (Fourier Intelligence) and Kepler Forerunner K2 (Kepler Exploration Robotics) are independently compiled by MYROBOTFORLIFE.COM for comparative buyer evaluation. Last verified: October 2026.