Close call. HIVA Haiwa and OP3 trade wins across the matrix.
Readiness, uptime, navigation & connectivity
Price accessibility and ROI clarity
Payload, speed, runtime & labor replacement
Environment fit, footprint & long-term upside
Multi-room smart home overnight floor care and laundry folding during off-peak hours
University robotics labs developing bipedal walking algorithms and balance controllers
Both are credible picks. Decide on cost and supplier proximity, not capability — the gap is small.