Many of Vercel's products are built on top of another service. They often charge more than using the service directly, although this has been improving recently. This site documents two of said products (KV and Postgres) and may be out of date.
$0.35 per 100,000
$0.20 per 100,000
60 hours per month
192 hours per month
$0.10 per hour
$0.102 per hour
$0.12 per GB/month
$0.12 per GB/month
$0.096 per GB
$0.096 per GB
$0.10 per GB
$0.096 per GB