How do Genspark credits work, and what uses the most?

Genspark meters the expensive, compute-heavy work in credits while keeping the cheap stuff free. On paid plans, AI chat and image generation cost zero credits through the end of 2026, so your allowance is spent almost entirely on agent actions: generating documents, building spreadsheets, running multi-step research, making phone calls, and creating video.

The rough cost hierarchy, from cheapest to most expensive: a simple agent task or document is modest; a full AI slide deck runs 100-plus credits; AI phone calls cost about 1 credit per second, so a five-minute call is roughly 300 credits; and video generation is the single most expensive action, capable of consuming a large chunk of an allowance in one render.

This structure has a practical implication for budgeting: count your heavy outputs, not your messages. If your week involves a handful of slide decks and some research, 10,000 Plus credits is comfortable. If it involves daily video generation or hours of autonomous phone calls, you will burn through Plus quickly and should price the Pro tier's 125,000 credits instead.

The efficient habit, as with any credit-metered tool, is to be specific: a well-scoped agent prompt produces the deliverable in one run, while a vague one triggers re-runs that each cost credits. Reserve the free unlimited chat for exploring and refining your idea, then hand the agent a clear, finished brief.