01Standard route
Prompt to video with sound
Up to 30 seconds in 16:9, 9:16, 1:1 or 21:9.
kling-4.0/text-to-videoBack to promotions
ActiveOct 29, 2026, 12:00 to Nov 5, 2026, 12:00
Kling 4.0 launch offer: 20% off
Both text-to-video and image-to-video are included: clips up to 30 seconds with synchronized audio. All users save 20% in the API and Playground during the offer.
Offer
20% off
Eligibility
All users
Applied
Automatic billing
Models in this offer
02Standard route
Bring a still image to life
A first frame plus a motion prompt makes a 3–30 second clip.
kling-4.0/image-to-videoKling 4.0 launch offer: 20% off
Kling 4.0 is Kuaishou's latest video model. It generates picture and synchronized audio together, with clips up to 30 seconds at 720p or 1080p.
- Text-to-Video (kling-4.0/text-to-video): turn a prompt into a clip in 16:9, 9:16, 1:1 or 21:9.
- Image-to-Video (kling-4.0/image-to-video): pair a first-frame image with a motion prompt for a 3–30 second clip; framing follows the source image when unspecified.
Runs from October 29, 2026 at 12:00 to November 5, 2026 at 12:00 (UTC+8). Automatically applied to all users in the API and Playground at 720p and 1080p for every duration. No coupon needed. Cannot be combined with other model pricing offers.