From the lab

Model notes, prompt recipes, and production tricks.

Kling 4 vs Veo 3.1: which should you pick?

Both are top-tier video models — but they shine in different places. A practical breakdown.

Yes — and you can run it today at kling4-ai.app, no waitlist.

Both live in the same studio — here’s an honest comparison of the two generations.

One photo in, a directed clip out. The image-to-video workflow that actually holds the frame.

Push-ins, orbits, and tracking shots that actually land — the prompting patterns that work.