AI Research Atlas

Kling 4.0 (early access; full launch October 2026)

Kuaishou · 28 September 2026

Kling 4.0: native 30-second clips, up to 10 keyframes, 15 multimodal reference inputs, 10-bit HDR (announced as coming) and a faster Flash tier.

Doubles Kling 3.0's 15-second limit, adds multi-keyframe storyline control, stereo audio with better lip-sync and video editing from up to five clips. Kling 4.0 Flash (720p, 3-20 s) started early access 2026-09-28 for Ultra Yearly subscribers; the full model arrives in October. Analysts question whether it can beat Seedance 2.0-2.5.

Date
Monday, 28 September 2026
Lab
Kuaishou
Kind
model
Access
app only

Primary posts date 2026-09-28 (published) to 2026-09-30 (updated). HDR was still 'coming soon' per fal's guide. Jefferies skepticism is from GuruFocus.

Sources

  1. kling.ai/blog/kling40-kling-visual-realism-creative-control-introducing-storytelling
  2. kling.ai/blog/kling-4-vs-3
  3. www.gurufocus.com/news/9100864/kuaishou-01024-set-to-launch-upgraded-kling-40-model-amid-a

This record was checked against its sources on 6 October 2026. How we check

Related

Read the daily brief for 28 September 2026