T8-R1 in five minutes
A GPU is a processor often used for the matrix math in model training and serving.
A cluster is many machines working as one pool.
NVIDIA's H100 page is a public spec sheet. Confirm it before you quote a number from it.
This lab quotes no peak numbers.
Serving a model and training a model are different jobs.
One GPU can be enough to study a small open-weight model. A cluster is a scale story. You do not need the cluster to learn the notebook.
Sources and go deeper
- NVIDIA H100 GPU product page. Confirm any number before quoting it. vendor last checked 2026-10
- Graphics processing unit — Wikipedia wikipedia last checked 2026-10
- Hopper (microarchitecture) — Wikipedia wikipedia The H100 title redirects to the Hopper page. last checked 2026-10