
Cloud development studios with a free CPU workspace and introductory GPU credits.
Verified free allowance
The Free tier includes one active CPU Studio with four-hour restarts; current pricing also advertises 5 introductory credits without adding a card.

Lightning AI Studios provides persistent browser-based development environments with JupyterLab, VS Code, collaboration, and optional GPU machines. The current Free tier includes one active CPU Studio, while introductory credits can be used for GPU compute.
Useful for developing AI projects in a persistent cloud workspace, with a clearly free CPU option and carefully metered GPU use.
Paid plans: Paid plans and pay-as-you-go compute add more credits, uninterrupted Studios, and larger workloads.
These links support the important free-offer claims on this page.
Lightning lists a $0 Free tier with one active CPU Studio, four-hour restarts, no credit card, and introductory compute credits.
Lightning documents persistent cloud workspaces with JupyterLab, VS Code, collaboration, GPU machines, and a free CPU Studio.