Kling 4.0 enters preview with 30-second clips, full release planned for October

Kuaishou/Kling

Kuaishou's AI video spinoff Kling has begun testing Kling 4.0 with select users, and a lite version is open to annual subscribers. The new version doubles the maximum clip length to 30 seconds. The company said the full release is coming in October.

• Maximum clip length doubled to 30 seconds.
• Full model is still under testing with select users; a lite version is available to annual subscribers.
• Full release stated for October 2026.
• Kling operates independently of Kuaishou, according to the report.