Kling 4.0vsKling 2.1

Side-by-side comparison of specs and sample outputs — no bias, no rankings.

Cinema-quality image quality
映像制作
Video Generation
テキスト動画生成
AI Video Generation
Kling2.1
View technical specs

Technical Specifications

FeatureKling 4.0Kling 2.1
Resolutions720p,1080p1080p
Aspect Ratios16:9,9:16,1:1,21:916:9,9:16,1:1
Durations3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30s5,10s
Audio✅❌
Text to Video❌
Image to Video
Video to Video❌❌
Reference Images to Video❌
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