Kling AI vs Vidu

A spec-by-spec comparison of Kling AI and Vidu: pricing, free tier, clip length, resolution, watermark, commercial use and API access.

Kling AIVidu
PricingFree plan · from $8.8/moFree plan · from $10/mo
Free tierFree Basic plan with no monthly credits; exports watermarkedFree plan with login bonus credits; Q4 at 540p
Max clip length15s per generation (Kling 3.0)16s per generation (Q3)
Max resolution4K (native)4K (higher tiers)
Watermark on free planYesYes
Commercial usePaid plansPaid plans
Developer APIYesYes
Open sourceNoNo

Kling AI is Kuaishou's video and image generation platform, known for realistic motion and its Kling 3.0 and 4.0 model families. It supports text-to-video, image-to-video, multi-shot scenes, native audio and native 4K output. It suits creators and production teams who want long single clips and strong physics, and a separate developer API is available.

Best for
  • Native 4K video generation on Kling 3.0 series
  • Single generations of 3 to 15 seconds
  • Developer API priced per second (e.g. Kling 3.0 Turbo 1080p at $0.14/s)
Watch out for
  • Free Basic plan includes no monthly credits and adds a watermark
  • Standard plan includes only 660 credits per month
  • Advertised first-month prices differ from the recurring renewal price
Visit Kling AI

Vidu is a video generation platform from ShengShu Technology, offering its Q-series models (Q3, Q4) for text-to-video, image-to-video and reference-to-video. It emphasizes keeping characters consistent across multiple reference images and handles 2D animation well. It suits creators making character-driven shorts, with an API platform for developers.

Best for
  • Supports 3 to 16 second clips on paid plans
  • Strong multi-reference character consistency
  • Off-peak quotas on Premium and Ultimate add cheap extra videos
Watch out for
  • Watermark-free downloads and commercial use are paid-only
  • Free plan limited to 540p and 10 references per month
  • Subscription credits expire after 30 days
Visit Vidu

Specs last verified 2026-10-23 (Kling AI) and 2026-10-23 (Vidu). See each tool page for sources.