Technique
end_image_url: A Field Guide to First-and-Last-Frame
Where end_image_url is available, where it is not, and the motion-arc math that makes transitions land.
2 min read
Guides, deep dives, and insights on AI video generation.
Where end_image_url is available, where it is not, and the motion-arc math that makes transitions land.
Server actions, edge routes, client-side submissions. The split that keeps your bundle small and your API key safe.
Most of Wan 2.7 looks like 2.6. The differences are small but break existing pipelines if you ignore them.
Text-to-video drifts character faces between shots. Anchoring each shot on a reference image fixes that for under $0.50 a clip.
A tiny retry wrapper that handles the most common transient errors without burning a single extra generation.
multi_prompt turned Kling into a native multi-shot model. A before and after of prompting discipline.