Kling AI is a leading AI video generation platform developed by Kuaishou Technology, one of China's largest short-video companies. The platform supports text-to-video, image-to-video, and motion-controlled video generation at up to 1080p resolution and 48 frames per second, with video durations up to 3 minutes. Kling 2.6, the latest model, is the first in the Kling series to generate synchronized audio and video in a single pass, producing voiceovers, dialogue, sound effects, ambient atmosphere, and even singing. The Elements feature allows users to combine up to 4 reference images for character consistency across generated videos. Kling AI reached $240 million ARR in December 2025, just 19 months after launch, making it one of the fastest-growing AI video tools. The platform uses a credit-based pricing system with a free tier offering 66 daily credits and paid plans ranging from $6.99 to $180 per month. All paid plans include watermark removal, Professional mode access, 1080p output, and priority processing.