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Kling 4.0
by Kling AI (Kuaishou)
The AI video generator everyone is talking about: up to 30 seconds in one go, with stereo sound and lip sync in more than ten languages.
View the project →What it does
- 3 to 30-second clips, up to 10 keyframe images to steer scenes and 15 references (images, videos, voices)
- Stereo sound and lip sync in over ten languages; a faster, cheaper Flash version capped at 720p
- Proprietary: you go through the Kling platform (free credits to try, paid plans); API pricing is not announced yet
! Not sponsored content: HelloPixDig is not paid by Kling. Kling 4.0 opened to everyone on October 15, 2026. Figures (30 s, 10 keyframes, 15 references, 8,000 text tokens, stereo sound, 10+ languages) come from Kling AI's release notes; 4K, 10-bit HDR, clip extension up to 2 minutes and the API (price not announced) are listed as coming soon. In the video comparison cited by The Decoder, Kling 4.0 holds its own against Wan 3.0 and Seedance 2.5 without pulling ahead. The free tier is a few credits per day and, according to third-party guides, has no watermark removal or commercial rights: check the terms on kling.ai. Free local alternative: Wan 2.2.
Install it
Requirements: A Kling AI account. No hardware needed.
https://klingai.com/
https://kling.ai/release-note/release-notes/Kling_4
The prompt for your agent
Paste it into your coding agent: it checks the requirements and installs it for you.
Help me get started with Kling 4.0 (https://klingai.com/).
1. Summarize what the tool can do for me: The AI video generator everyone is talking about: up to 30 seconds in one go, with stereo sound and lip sync in more than ten languages.
2. Explain how to create an account and check current pricing on the official site.
3. Suggest a first concrete use case, step by step.
Always review what your agent is about to run, especially install commands.