Kling 4.0 launches with 30-second native video generation and 10-bit HDR

What happened

Kling AI launched Kling 4.0 on October 15, introducing native video generation up to 30 seconds, 10-bit HDR output, and claimed improvements in fast motion and complex camera movements. The model supports up to 15 combined reference assets, up to 10 keyframe inputs, and prompts up to 8000 tokens. Support for 4K, 1080p, and 21:9 output, repeated video extensions totaling up to 2 minutes, and API access are described as forthcoming.

The story so far

Kling AI has launched Kling 4.0, making native video generation up to 30 seconds and 10-bit HDR output available, while API access and several output options remain forthcoming. Kling AI said the model improves handling of fast motion and complex camera movements. The model supports up to 15 combined reference assets, up to 10 keyframe inputs, and prompts of up to 8,000 tokens. Integration with Kling MCP and CLI lets creators use AI agents to invoke reference-based and keyframe-based video generation. Support for 4K, 1080p and 21:9 output, repeated video extensions totaling up to two minutes, and API access for enterprise customers and developers are planned additions.

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