Kling: Kling v2.1 Image to Video API

Kling-v2.1 Image-to-Video is the refined "Stability & Motion" edition of the Kling 2.0 series. It addresses the "micro-flicker" and "character drift" issues found in earlier 2.0 iterations by implementing a more robust Spatio-Temporal Attention mechanism. This version is specifically optimized for high-motion scenes, such as sports, dancing, and complex hand interactions, ensuring that the character's skeletal structure remains consistent even during extreme movements. In 2026, it serves as the versatile "Prosumer" choice, balancing the high-end aesthetics of the Master series with the processing efficiency required for commercial rapid prototyping.

• Input: text, image
• Output: video
• Released: 2025-05-28
• Knowledge cutoff: 2026-02-28