Free trial
No account is required to generate an initial clip from the homepage, letting users test the generator with a prompt before signing up or choosing a paid plan.
Learn moreKling 4.0
Turn a text prompt into a cinematic 4K video clip with synced audio, right in the browser.
Beginner API
What is Kling 4.0?
Kling 4.0 is a text-to-video tool that turns a text prompt into a cinematic 4K video clip with synced audio, right in the browser. Browser-based AI video generator that turns text prompts or images into short cinematic clips with native 4K rendering and synced audio, aimed at creators, sellers, and startups needing fast video assets.
Kling 4.0 is a browser-based AI video generator that converts a written prompt or an uploaded image into a short video clip. The system runs on a diffusion transformer that is built to interpret full scene descriptions rather than isolated keywords, producing motion, camera framing, and synchronized audio in a single pass. A user types a line like "aerial flyover of coastal cliffs at golden hour" and receives a rendered clip, often in under a minute, without needing to touch a timeline or editing panel. The tool is aimed at people who need finished video assets quickly rather than full creative control over every frame. E-commerce sellers use it for product demos and seasonal promo footage, social creators use it to keep up a daily posting schedule across Reels, TikTok, and Shorts, and indie makers use it for app previews, landing page hero loops, and pitch deck animations. None of these groups need prior video production or editing experience to get usable output on a first attempt. In practice, the workflow is three steps: describe the scene in plain language, generate and regenerate until the result fits, then export. Output supports more than ten aspect ratios, so the same prompt can be reshaped for YouTube, vertical social feeds, or square placements. A multi-image reference feature lets a user upload up to three photos so the engine can keep a character, style, or environment consistent across a clip. Within the broader AI video category, Kling 4.0 sits alongside tools like Sora and Veo as a text-to-video generator, differentiated mainly by its emphasis on native audio generation and a credit-based freemium structure that lets new users try generation before committing to a paid tier.
How do you use Kling 4.0?
1Write or upload a scene description
On the homepage, enter a natural-language prompt describing the shot you want, such as a product scene or a cinematic landscape, or upload a reference image instead.2Check the Kling 4.0 Flash option
Review the Kling 4.0 Flash page to see the faster generation mode if speed matters more than maximum quality for a given clip.
3Generate and review the clip
Submit the prompt and let the engine render the video with synced audio, then regenerate as many times as needed to adjust camera angle, color, or mood.4Find past generations in My Videos
Open the My Videos section to locate previously generated clips for download or reuse.
5Pick a plan for higher output
Compare the Basic, Pro, and Ultra plans on the pricing page to unlock HD export without a watermark, priority queueing, and higher monthly video allowances.
6Export and publish
Download the finished clip in HD and publish it directly to the target platform, choosing from the supported aspect ratios.
Pros and cons
Pros
- Produces native 4K video with synchronized audio baked in, reducing post-production workAI
- No account is required to generate a first clip, lowering the barrier to try the toolAI
- Supports more than ten aspect ratios for YouTube, TikTok, Instagram, and broadcast formatsAI
- Multi-image reference blending helps keep characters and styles consistent across a clipAI
- Unlimited regeneration lets users iterate on camera angle and mood until a clip fitsAI
Cons
- Pricing is structured around credit packages, which makes the real cost per finished video hard to estimate upfrontAI
- Several features, including the video upscaler and frame interpolation, are locked to yearly billing on lower tiersAI
- Example and gallery clips shown on the site are sourced from third-party showcases rather than actual Kling 4.0 outputAI
- Advanced camera control and clip extension are only mentioned as FAQ topics without explanation of how they workAI
- Watermark-free export is tied to paid plans, so free usage likely carries a watermarkAI
How much does Kling 4.0 cost?
Pricing
Three subscription tiers (Basic, Pro, Ultra) are billed as yearly or monthly credit packages, with a limited-time 50% discount shown on the pricing page. Credits determine monthly video output, and features like no watermark, 1080p export, and API access vary by tier.
Learn moreSupport
Support is handled by email at support@kling4.org, with dedicated support called out specifically as part of the Ultra plan.
Learn moreIntegrations
No third-party platform integrations are described on the homepage; Pro and Ultra subscription tiers include API access for custom workflows.
Features
Text-to-video and image-to-video generation with native 4K rendering, synchronized audio, over ten supported aspect ratios, multi-image reference blending for consistent characters and styles, and unlimited regeneration of results.
Frequently asked questions about Kling 4.0
How much does Kling 4.0 cost?
Three subscription tiers (Basic, Pro, Ultra) are billed as yearly or monthly credit packages, with a limited-time 50% discount shown on the pricing page. Credits determine monthly video output, and features like no watermark, 1080p export, and API access vary by tier.Does Kling 4.0 offer a free trial?
No account is required to generate an initial clip from the homepage, letting users test the generator with a prompt before signing up or choosing a paid plan.Does Kling 4.0 have an API?
Yes, Kling 4.0 offers an API.How do you use Kling 4.0?
The walkthrough on this page covers 6 steps: 1. Write or upload a scene description 2. Check the Kling 4.0 Flash option 3. Generate and review the clip 4. Find past generations in My Videos 5. Pick a plan for higher output 6. Export and publish.What platforms does Kling 4.0 support?
Kling 4.0 is available on Web App.What does Kling 4.0 integrate with?
No third-party platform integrations are described on the homepage; Pro and Ultra subscription tiers include API access for custom workflows.
Status
StatusActive
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Added10/8/2026
Platforms
Web App
Pricing
FreemiumSubscription
