Odyssey Ai-One Milled Mallet Putter

Odyssey borrows some of the variable face thickness ideas generated by artificial intelligence that have fueled the driver designs of parent company Callaway in recent years to reimagine how its putter faces might work. The result is two new putter lines, one featuring an aluminum-backed urethane face insert and the other a milled titanium insert, and each uses a distinct and asymmetrical thickness pattern to create more consistent off-center distance control.

Ai-One ($300) will be available in five options: The #1, Double Wide DB blades, and the Rossie S, #7S (slant neck), and #7CH (crank hosel). Ai-One Milled ($450) will come in eight versions: One T and Two T in blades; Three T, Six T, Seven T DB (double bend shaft), Seven T CH (crank hosel), Eight T and Eleven T in mallets.



To design its putter face Odyssey’s engineers looked to titanium for its light weight, strength and flexibility. They needed the face’s intricately varied indentations—designed through a range of artificial-intelligence simulations—to respond to every impact like a high-performance race car moving across an undulating road. These titanium faces have “micro-deflections” to direct energy to the ball for consistent distances.

  • The varying thicknesses of the titanium face insert optimize distance control.
  • Milled-titanium insert within a fully milled body yields a slightly firmer feel than the standard Ai One’s aluminum-polymer insert.
  • Lightweight steel shaft has a back weight to improve stroke tempo.
  • Six models across five head styles (Three T, Six T, Seven T, Eight T, Eleven T); double bend, crank hosel, slant neck options; head weight: 360 grams; lengths: 33-35 inches; loft: 3 degrees


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