Reserved / committed

Also known as: committed use, contract pricing

A lower hourly rate in exchange for a commitment, usually 1 to 3 years or a fixed contract.

Related terms

On-demandPay by the hour (or second) with no commitment and stop whenever you like. The default view on PetaPrice.
Spot / interruptibleSpare capacity sold at a discount that the provider can take back at any time. Good for checkpointed training and batch jobs.

Pricing and renting

Community / marketplace hostsPlatforms like Vast.ai where independent hosts rent out their machines. Often the cheapest option, with more variation in reliability and security.
GPU-hourOne GPU for one hour. An 8-GPU node for 2 hours is 16 GPU-hours. A GPU running around the clock is about 730 GPU-hours a month.
EgressData transferred out of a cloud. Some providers charge for it; PetaPrice prices exclude it, as well as storage and IP addresses, unless the provider bundles them.