How credits work: most single components use 1–2 credits. A high-fidelity page typically uses 2–4. Complex multi-screen or premium-model projects show a higher estimate before generation. Free GPT-5.6 Luna Screenshot to Code remains available without plan credits.
Full comparison
Choose by workflow, not just by volume.
CapabilityBasicProUltimate
Monthly credits2560180
HTML / CSS output
React, Vue, Next.js
Image and PDF inputs
Prompt-based generation
GPT-5.6 Luna
GPT-5.6 Terra
GPT-5.6 Sol
Private projects
Authenticated ZIP export
Generation rate limitStandardHigherHighest
Generation queueStandardPriorityPriority
SupportStandardStandardPriority
Plan questions
Useful details before you subscribe.
Credits measure AI generation usage. Simple generations use fewer credits, while large or premium-model requests use more. BuildUI shows the server-calculated estimate before a paid run.