1. Optimize for accepted clips
A cheap model is useful only if it produces usable vertical motion. Track accepted clips per dollar, not raw generations per dollar.
CORE FORMULAEffective cost = attempt cost ÷ acceptance rate
2. Start at ten seconds
Short scenes expose prompt and motion problems without committing a full campaign budget. Test hooks, product motion and text-safe composition separately.
3. A practical test budget
Reserve at least three attempts per concept. Ten concepts at ten seconds and $0.05 per second cost $15 when each concept uses three attempts.
Models worth comparing next
Frequently asked questions
Is 720p enough for social video?
Often yes for testing, but verify platform compression and any crop or zoom in your final workflow.
Next step
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