Linode offers a 50 dCPU with 10Gbps out for $960. Or if you just need the bandwidth and don't need the CPU power, you can combine three $30 servers with 4Gbps each, and put them behind a $10 load balancer, for a total of 12Gbps out at $100/mo.

https://www.linode.com/pricing/

Market rate for a 10gbps port is now less than $1k/mo

Plenty of providers, depending on how many 10G/40G links you're willing to buy, check out https://blog.telegeography.com/global-ip-transit-prices-decl... to see how much prices have gone down.