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Osaki Hypnos 4D Pro AI vs Osaki OP-4D Master

Side-by-side spec breakdown — track type, roller tech, heat, zero gravity, airbags, warranty, and expert scores.

Osaki Hypnos 4D Pro AI

Osaki

Hypnos 4D Pro AI

SpecValueValue
Track TypeSL-TrackSL-Track
Roller Tech4D4D
Zero Gravity3-stage1-stage
Heat Therapyfull-bodylumbar-foot
Airbags4846
Body ScanYesYes
Height RangeN/AN/A
Weight Capacity270 lbs260 lbs
Techniqueskneading, shiatsu, tapping, clapping, rolling, knockingkneading, tapping, shiatsu, rolling, stretching
Smart Featuresbluetooth, usb-chargingbluetooth, voice-control, alexa, mobile-app, usb-charging, led-lighting, touchscreen
Warranty3 Years5 Years

✓ indicates best value in that row

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Which should you buy?

Here's a quick breakdown of who each chair is best suited for, based on track type, price tier, and our editorial scores.

Luxury · 4.7/5

Osaki Hypnos 4D Pro AI

SL-Track (neck to glutes)

Best for

  • AI body scanning
  • 20 auto programs including Thai Stretch
  • 48-cell full-body airbags

Watch out for

  • ·Premium price
  • ·270 lb weight limit
Full Osaki Hypnos 4D Pro AI review →

Luxury · 4.7/5

Osaki OP-4D Master

SL-Track (neck to glutes)

Best for

  • 4D roller on laser-crafted steel SL-Track
  • 16 specialist auto programs including Pilates, Golfer, and Mobile Mode
  • Alexa voice control + companion iOS/Android app

Watch out for

  • ·Very large at 68" long upright, 254.6 lb
  • ·Only 1-stage zero gravity
Full Osaki OP-4D Master review →