Category
Text-to-video and image-to-video techniques, model by model.
Make AI UGC ads step by step: a brief, hooks that don't fake a customer, an avatar you're allowed to use, B-roll, one safe zone for TikTok and Reels, the AI labels, and the cost per 30-second ad.
Image-to-video AI works best when your prompt describes only motion. How to prep the photo, use first and last frames, avoid melting faces, and why a 5-second Kling clip costs 30 to 60 credits.
AI video tools make 4 to 15 second clips, not finished videos. Here's how to plan, frame, animate and edit them, and why one generated second costs anywhere from $0.05 to $0.40.
On HeyGen, $29 buys 150 minutes with a stock avatar or 12.5 with your own digital twin. Synthesia includes three personal avatars from $14. Here are seven AI avatar generators priced per finished minute.
HeyGen's 600 credits buy 150 minutes of video or 12.5, depending on one dropdown. We checked seven alternatives against their own pricing pages and worked out what a finished minute really costs on each.
Hedra replaced its plans in late September: Creator at $30 is gone and the new middle tier is $50. We compare credits per dollar across all five plans, and show the two-minute test that turns credits into minutes.
B-roll is the single best use of AI video generation right now, and it is not close. You do not need perfect faces, lip-sync or narrative continuity — you need five seconds of…