[egsmi]

Some FPGAs are commodities. Here’s one with a PCB for $13. Can be used with an open tool chain too. I could probably find an even cheaper one if I looked harder.

https://store.tinyfpga.com/products/tinyfpga-a1

Just like with GPUs, FPGAs with bigger die areas cost more. The biggest ones are expensive, just like with GPUs.

[ajfjrbfbf]

All TinyFPGAs are sold out for now :(

[egsmi]

Interesting. The AX is out but the AX1 ($15) is in stock. https://www.crowdsupply.com/tinyfpga/tinyfpga-ax-bx

I suppose the price is a bit misleading because the AX also requires the $12 programmer so with shipping+tax to CA it's closer to $30 total out of pocket.

Personally I use the BX because having the flash, and a bit more logic, is convenient.

[snvzz]

The AX is not iCE40, thus no icestorm support, and it is tiny. Few designs can fit in there.

Do look for iCESugar on aliexpress instead.