Comment by alberth

As a comparison, TSMC wafers cost:

  Size   Cost/Wafer        % Increase
  ----   ----------        ---------
  10nm    $5,992          
   7nm    $9,346            55%
   5nm   $16,988            81%
   3nm   $20,000* (est.)    17%
   2nm   $25,000* (est.)    25%

https://hardwaresfera.com/en/noticias/hardware/precio-oblea-...

https://www.siliconexpert.com/blog/tsmc-3nm-wafer/