Kling 4.0 hands-on tests and comparisons

In an Indian-mythology test, Kling 4.0 Flash was cheap, fast and beat MiniMax H3 on character motion and dialogue, though H3 handled transitions better; the user also praised Kling's MCP.

Hands-on test of Kling 4.0 Flash on water, boxing, tennis and complex scenes finds secondary physics, anatomy and motion work well when the prompt sets one dominant action and treats the rest as secondary behavior.

A Japanese user finds Kling 4.0 Flash cheap and fast for iteration; a reference image holding only light, color, texture and effects beats a full background image, and two 20-second clips render in about 90 seconds.

A user posted a ballet generation comparison between Kling 4.0 Flash and Seedance 2.5, asking viewers to guess which is which without giving a verdict.

A user testing Kling 4.0 action scenes finds fight choreography still weak, but character spacing, hit timing, camera tracking and face/costume consistency are notably more stable.

A creator used Kling 4.0 Flash multishot to generate a 20-second 16:9 Korea travel-fashion commercial and shared the full prompt, including character lock and location continuity.

A creator used Kling 4.0 Flash to make a 20-second iPhone-style cat pizza-delivery comedy, sharing the full prompt with scene timings, action order, resolution and frame rate.

A post asking which is better, Kling 4.0 or Seedance 2.5, with no tests or conclusions of its own.

The author recreated an earlier video with Kling 4.0 Flash for comparison, finding that unlike Seedance it doesn't get pulled off course by reference material.

Creator frames Kling 4.0 around AI video's short-clip problem, noting Flash is live for a limited group and full 4.0 arrives in October, with details promised in a thread.

The author generates a Musk-versus-Altman fight video with the Kling 4.0 Fast model, offering no specific observations on motion, lip sync or consistency beyond the title.

The author makes an AITuber-style stream clip with Flash image-to-video, finding dialogue lip sync improved over earlier outputs and praising low cost and near-instant generation speed.