v2.1 base
Reliable older tier — image-to-video at 1080p, lower credit cost.
Model · Kuaishou
From Kling v2.1 to Kling 3.0 4K, the Kuaishou family delivers the smoothest character motion and most fluid camera control of any open AI video API. Pick the tier that fits the budget.
Capabilities
Reliable older tier — image-to-video at 1080p, lower credit cost.
Best fluid motion in the family — character action and gesture.
4K-native cinema rendering — flagship tier.
Up to 4 character refs for consistent multi-shot scenes.
Talking-head variant — image + audio = lip-synced character video.
Steer away from artifacts with surgical precision.
Samples
Every clip below was rendered through Prototipal — no curation, no cherry-picked external content.
Related Apps