Kling 4.0 hands-on tests and comparisons

The creator made a PUBG-style first-person firefight, crate loot and heal sequence with Kling 4.0 and shared the full prompt.

The poster announces Kling 4.0, highlighting 30-second generations at 1080p and sharing sample clips.

A user says Kling 4.0 has fully rolled out and shares that they tried it right away, with images showing the results.

Tapnow's video hackathon now supports Kling 4.0, Seedance 2.5 and agent MCP, with a 32-hour window and 45 teams.

A Japanese AI news roundup lists 12 items, with item 11 noting Kling 4.0 became fully available that day alongside OpenAI, Google and Claude updates.

A user generates a 9:16 Japanese short-drama scene with Kling 4.0, shares the full four-shot prompt, and finds it cheaper and higher quality than Seedance 2.0, planning to switch ad production to it.

Kuaishou's Kling 4.0 opened Flash to annual-plan users on 9/28 and went fully live on 10/15 across web, app, MCP and CLI, with 30-second generation per run.

Kling 4.0 is now fully available with MCP and CLI support so AI agents can trigger video generation, and 4K HDR output is slated to follow soon.

A user tested Kling 4.0 on a difficult side-profile lip-sync shot and found it good, at about ¥136 per 10 seconds, roughly a third cheaper than Seedance 2.0, with 1080p also cheaper than Seedance's 720p.

A test of Kling 4.0's Japanese text rendering finds almost no garbling when a storyboard is used, with the author weighing it against Seedance 2.5.

Kling 4.0 is now generally available on the web and via MCP and CLI, while 4K/1080p 10-bit HDR output and the enterprise API remain delayed.

A user reports that Kling 4.0's saved-character feature was essentially unusable and had to be worked around to get 10 characters into one clip.