Kling 4.0 AI tool launches in october with advanced video and audio features

On September 29, 2026, Kuaishou's AI platform, Kling, announced that its latest version, Kling 4.0, will launch in October. A limited preview of Kling 4.0 Flash was already available to black gold card members on September 28. The update introduces 4K and 1080p 10-bit HDR output, supporting up to 10 images, 5 video clips, and 7 subjects in a single task. It also allows for 30-second video generation with long takes and continuous storytelling. Kling 4.0 enhances motion tracking, audio quality, and lip-sync accuracy, offering a more immersive experience. The tool supports multiple languages and dialects, as well as advanced editing features like multi-language text and emoji integration. Kling 4.0 also enables users to analyze reference videos for narrative structure and generate new content tailored for social media, advertising, and other creative fields. The platform now allows for seamless integration of images, videos, and audio within a single interface, with real-time editing and preview capabilities. With support for up to 8000 tokens in prompts and improved AI-assisted writing, Kling 4.0 aims to streamline the creative process and expand artistic possibilities.