There’s a weird thing happening with Kling 4.0 right now. If you only read the headlines, you’d think it launched a week ago and everyone’s already making 30-second broadcast-grade clips with it. If you actually open kling.ai today, October 8, 2026, you’ll find something different: the full model still isn’t there.
So let’s do what the hype videos won’t — draw a clean line between what’s actually shipping today and what’s still a promise on a release note.
Everything below is based on Kuaishou’s official announcements and verified reporting as of early October 2026. Where facts are still unknown, I’ll say so plainly.
What Kuaishou actually announced (September 28, 2026)
On September 28, Kuaishou announced the next generation of its AI video model, Kling 4.0. The headline specs were genuinely ambitious:
- Up to 30 seconds of video in a single pass — double the 15-second limit of Kling 3.0
- Up to 10 keyframes to choreograph changes within a clip
- Up to 15 multimodal references (images, video clips, persistent subjects) in a single task
- Stereo audio with improved lip-sync baked into generation
- 4K resolution at 10-bit HDR — listed as “coming soon”
- Video extension to about two minutes across sequential shots — also “coming soon”
That’s the announcement. Here’s the catch that half the coverage skipped: the full model doesn’t have a release date. Kuaishou said “October 2026” — no day, no rollout schedule, no channel-by-channel availability notes.
What’s actually available right now: Kling 4.0 Flash
The only thing you can touch today is Kling 4.0 Flash, the lighter, faster variant that opened early access on announcement day, September 28 — and only for Ultra Yearly subscribers. Here’s what Flash gives you:
- 3–20 second clips
- 720p resolution in 8-bit SDR
- Faster generation, tuned for drafts and iteration
That’s it. It’s a preview, not the flagship. If someone on YouTube is showing you “Kling 4.0” output that’s 30 seconds long in 4K HDR, they’re either showing announcement footage or they’re not being honest about which model they used. Ask them which one. Watch how fast they change the subject.
The “coming soon” list is the whole story
The features that matter most to anyone doing serious video work are the ones still waiting in the wings:
4K / 10-bit HDR. This is the capability that would push AI video into real broadcast pipelines — 10-bit color depth is the broadcast minimum standard. It’s listed as coming soon. Until it ships, it doesn’t exist in any workflow that matters.
Two-minute extension. The plan is sequential-shot extension taking clips to about two minutes total. Also coming soon. Also not real yet.
Exact launch date. October is a month, not a date. Treat the full release as “expected in October” rather than “launching October something.”
What about pricing?
Nobody knows yet. Kuaishou’s release note doesn’t give prices or credit costs for Kling 4.0 or Flash, doesn’t say which subscription plans will include the full model, and doesn’t confirm API availability. If you’re budgeting a client project around 4.0, budget a trial instead. Don’t infer 4.0 billing from 3.0 pricing — the credit policy as published doesn’t specify it.
A correction worth making
You’ve probably seen coverage claiming Kling 3.0 ranked 4th on the Artificial Analysis text-to-video leaderboard. It’s wrong. Kling 3.0 ranked 12th — that correction came from TechTimes’ September 30 breakdown of the announcement, which also noted the full 4.0 model hadn’t been independently rated at all, because it hadn’t shipped. Rankings claims about 4.0 that you’re seeing in hype posts? They can’t be verified, because there’s no shipped model to test yet.
What you should actually do this week
Here’s the practical playbook, if you care about this model:
- If you’re on Ultra Yearly, test Flash for what it’s good at: fast drafts, storyboarding motion, settling pacing. Draft in Flash now, plan to regenerate in the full model once it lands.
- If you’re not, keep using Kling 3.0 — it’s still the generally available generation, and it’s a genuinely capable model. Its free tier (66 daily credits, 720p, watermarked, explicitly non-commercial) is fine for evaluation; anything real needs a paid plan.
- If you’re deciding whether to upgrade for 4.0, wait. There is no confirmed date, no confirmed pricing, no confirmed resolution tiers per plan. Upgrading on announcement specs is buying a promise.
- If you’re in Pakistan, one useful data point: reporting from October 1 confirms Kling works from Pakistan, bills in USD, and the Ultra Yearly plan (quoted around $1,429.99/year) is currently the only route to Flash early access. That’s a real chunk of money for a preview — do the math before clicking.
Why I’m writing this instead of another hype post
Because there’s real substance underneath the announcement. Native 30-second single-pass generation, keyframe choreography, and a bigger reference budget genuinely attack the continuity problems that make AI video hard to deliver professionally. Monolith Design’s breakdown reached the same conclusion: this is a meaningful step toward usable commercial video — draft in Flash now, wait for the real October launch before committing deadlines, and treat HDR and two-minute extension as future features until Kuaishou ships them.
The model is probably going to be good. It’s just not out yet. And pretending otherwise doesn’t help anyone except the people selling you a course about it.
Want a broader tour of the AI video landscape while you wait? Our rundown of the best free AI video generators in 2026 covers the tools you can actually use today — no announcement-specware included.