Kling 2.1vsKling 4.0

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

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

Technical Specifications

FeatureKling 2.1Kling 4.0
Resolutions1080p720p,1080p
Aspect Ratios16:9,9:16,1:116:9,9:16,1:1,21:9
Durations5,10s3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30s
Audio❌✅
Text to Video❌
✅Start Generating Now
Image to Video
✅Start Generating Now
✅Start Generating Now
Video to Video❌❌
Reference Images to Video❌
✅Start Generating Now
View MoreView More

Side-by-Side Examples

Explore Other Comparisons

Other popular model comparison references

Hotgen Video V5 vs Vidu Q3

Midjourney V7 vs GPT Image 2.6 Sunburst Low

Grok Image 2.0 vs Vega Image Lite