One-line summary
Kuaishou's Kling AI announced that the Kling 4.0 video generation model has fully launched: 4K and 1080p 10-bit HDR output, single clips up to 30 seconds, and up to 10 images, 5 videos and 7 subjects combinable in one task; enterprise and developer API access opens soon.
Event Overview
On the evening of October 15, Kling AI announced that the Kling 4.0 video generation model had fully launched, with API access for enterprise customers and developers opening in the near future. On October 16, Kuaishou officially confirmed the release, and media including 36Kr covered it. The event was listed among industry updates in Jiemian News' AI morning briefing on October 17, 2026.
Key Information
- Output: supports 4K and 1080p 10-bit HDR output.
- Input combinations: up to 10 images, 5 videos and 7 subjects per task, combinable in a single generation task.
- Duration and narrative: single clips up to 30 seconds, with support for long takes and continuous narrative.
- Commercial rollout: API access for enterprise customers and developers opens in the near future.
- Timeline: announced by Kling AI on the evening of October 15; officially confirmed by Kuaishou on October 16; covered by Jiemian's AI morning briefing on October 17.