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Notes from LUVI

Model guides written from what we measured, honest comparisons, workflows that ship, and notes from inside LUVI.

Guides · 3Comparisons · 1Workflows · 1Inside LUVI · 3RSS feed

Guides

How to prompt Veo 3.1 — and why your clip came back silent

Write Veo 3.1 prompts camera first: cinematography, subject, action, context, style. Put dialogue, effects and ambience into the shot, and switch on Audio Generation, which is off by default on LUVI. Veo 3.1 Lite has no audio. Clips start at 800 credits for eight seconds at 720p.

Inside LUVI

Estimate vs charge: why the number you pay only ever goes down

LUVI shows a credit estimate before every generation and charges you when the result arrives. Since September the charge is settled against the provider's real bill — capped at the estimate, never above it. What changed, what we measured, and why one model dropped from 15 credits to 7.

Inside LUVI

Why every image you upload to LUVI becomes JPEG or PNG

iPhone HEIC photos used to fail in Chrome, WebP confused half the models, and one library's browser decoder took 27 seconds on a 12-megapixel shot. So we moved the conversion to the server and made one rule: every image is stored as JPEG or PNG, colour profile and orientation intact.