A US retailer Provantage has just listed upcoming 12th Gen Alder Lake-S desktop processors. The flagship Core i9-12900K costs $605, Core i7-12700K costs $422, Core i5-12600K costs $289.
Compared current 11th Gen CPUs, Core i7-11700K costs $414, i5-11600K costs $275. So it seems that 12 Gen CPUs will have similar price tag as current 11th Gen CPUs. Stay tuned for more info.
Intel 12th Gen Alder Lake-S desktop processors are expected to released on November 19th, along with Z690 motherboards.