Kling AI announces full availability of KLING 4.0

On October 15, 2026, Kling AI announced the full availability of KLING 4.0, which users can access through a redesigned creation interface and which supports integration into video creation workflows via MCP and CLI; the company also previewed upcoming 4K and 1080p 10-bit HDR video output, as well as API access for enterprise customers and developers. On October 17, fal previewed the imminent launch of Kling 4.0, saying it can generate videos up to 30 seconds long in a single pass, supports native audio, and can use up to 15 reference materials to guide characters, scenes, and camera movement. On October 20, according to The Decoder, Kling AI released version 4.0, which can generate videos up to 30 seconds long in a single pass, supports input of up to 10 keyframe images, extends prompt understanding to 8,000 tokens, adds dual-channel stereo audio and lip sync in more than ten languages, and introduces Kling 4.0 Flash, a lightweight version supporting up to 720p and 20 seconds. On October 22, Kling announced the official opening of the KLING 4.0 API, allowing developers to integrate it into their own products and workflows, but did not disclose details such as interface capabilities, pricing, or availability scope.

AI-generated from public reports

1. Report date Oct 22· 1 reports

   Kling 4.0 API is officially launched

   Source:English text is being prepared.
2. Oct 20· 2 reports

   English translation is being prepared.

   Source:The Decoder
3. Report date Oct 17· 1 reports

   fal teases that Kling 4.0 is coming soon

   Source:fal
4. Oct 15· 6 reports

   English translation is being prepared.

   Source:English text is being prepared.