Kling AI: Kling V2.1 · fastrouter

Kling 2.1 is Kuaishou's advanced image-to-video model (2025). It transforms reference images (and optional text) into high-definition cinematic videos using a 3D spatiotemporal attention architecture. The model simulates real-world physics and delivers very natural, intricate motion and lifelike characters. It can produce multiple video variants from the same prompt and uses AI-assisted prompting to help users craft detailed instructions. In comparative tests, Kling 2.1 rivals top closed-source competitors. Overall, it marks a significant step up in realism, coherence, and prompt-following over Kling 2.0.

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All Kuaishou Kling models at every provider

Price, $ $0.21 / second

Context 8 192

Max output 4 096

Accepts images, text

Last checked 04.11.2026 12:00:14 UTC

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