If you are willing to share silicon space with other chips, you can prototype chips on older nodes (e.g., 14nm) through services like MOSIS for "just" tens of t

If you are willing to share silicon space with other chips, you can prototype chips on older nodes (e.g., 14nm) through services like MOSIS for "just" tens of thousands of dollars: https://www.mosis.com/products/fab-schedule https://www.mosis.com/products/fab-schedule