[Schroedingersat]

Slightly smaller ones are about $2800/kW including finance, installation, substation, and (sometimes) cabling to shore. The turbine is 1/3rd to 1/2. Generally bigger ones are cheaper, but deeper water has costs too.

https://www.irena.org/Publications/2022/Jul/Renewable-Power-...

I helieve the Halide X isn't the biggest anymore. Mingyang announced a 16MW.