Kling 4.0 AI Video Generator

What is Kling 4.0 AI Video Generator

Kling 4.0 is an AI video generation model that creates cinematic, multi-shot videos from text prompts and images. It is the next generation in the Kling AI family, following Kling 3.0, and is available through the kling-4.ai platform. The tool is designed for creators, marketers, and filmmakers, offering features like 4K 60fps output, 120-second single-take narratives, and an 80-reference multimodal system for consistent character and brand representation.

How to use Kling 4.0 AI Video Generator

1. Write your prompt and add references: Describe the subject, action, camera move, and lighting, or upload a reference image to lock the look and identity. You can also use pre-made prompt suggestions.
2. Adjust settings and generate: Choose the aspect ratio (16:9, 9:16, 1:1), set the duration, and toggle native audio for dialogue and scene sound. Click "Generate for Free" to start.
3. Preview, download, and iterate: Watch the clip with sound, download in HD, or rerun variations until the scene meets your expectations. Paid plans unlock 4K output, longer durations, and priority processing.

Features of Kling 4.0 AI Video Generator

• 120s Single-Take Narrative: Generate up to 120 seconds of continuous video with scene memory that keeps lighting, wardrobe, and props consistent.
• 80-Reference Multimodal System: Use images, video, audio, and 3D references in one project, with layered weight control per character or product, ensuring zero face and brand drift.
• 4K 60fps Cinema Output: Native 4K resolution at 60 frames per second, with world-model physics for realistic fabric, fluid, and motion.
• Native Audio Engine: Phoneme-accurate lip-sync in 10+ languages, custom voice uploads, and auto scene-matched sound and background music.
• API Access: One API for the Kling model family, with endpoints for creating and polling video generation jobs.
• Commercial License: All paid plans include a commercial license for ads, client work, e-commerce, and monetized social content.

Use Cases of Kling 4.0 AI Video Generator

• AI Short Films & Drama: Turn scripts into watchable episodes with 120-second single-take generation and consistent characters across cuts.
• Ads & TVC: Create cinematic product spots at 4K 60fps with brand elements locked in every frame, using the 80-reference system and region redraw for precise edits.
• E-commerce Product Video: Generate listing videos and marketplace creative with sharp product details and zero drift across angles.
• Social Media Content: Produce vertical-first videos with native audio and lip-sync for platforms like TikTok, Reels, and Shorts, with multiple hooks and aspect ratios.

Pricing

Kling 4.0 offers three subscription plans, all including commercial use:

• Basic ($9.90/month): 360 credits monthly (≈36 videos), text-to-video and image-to-video, commercial license, email support.
• Pro ($29.90/month): 1,520 credits monthly (≈132 videos), priority processing queues, day-one access to Kling 4.0, priority support.
• Studio ($59.90/month): 3,600 credits monthly (≈360 videos), fastest queues, API access included, day-one access to Kling 4.0, dedicated account support.

A free daily video is available without an account.

FAQ

When will Kling 4.0 be released? Kuaishou hasn't announced an official date, but the release cadence points to late 2026. Kling 4.0 will unlock on kling-4.ai the moment it ships, with day-one access for Pro and Studio plans.

Is Kling 4.0 free to use? Yes, kling-4.ai gives one free video daily, no account needed. Paid plans start at $9.90/month with more credits, priority processing, and commercial use.

Is Kling 4.0 open source? No, Kling models are closed-source. The fastest way to use Kling 4.0 is a hosted platform like kling-4.ai.

What is the difference between Kling 4.0 and Kling 3.0? Kling 3.0 introduced native 4K, 15-second multi-shot clips, and physics-aware motion. Kling 4.0 extends to 120-second single-take narratives, 80-reference multimodal inputs, 4K 60fps output, and a deeper native audio engine.

Kling 4.0 vs Seedance 2.5 — which is better? Seedance 2.5 tops out at 30-second clips with 50 reference inputs. Kling 4.0 targets 120-second single-take narratives, 80 layered references, 4K 60fps output, and stronger long-shot physics, making it better for director-style storytelling.

How do I access the Kling 4.0 API? Use one API for the Kling model family: authenticate with an API key, create a job at /api/ai-video/jobs, and poll until it completes. The kling-4-0 model string activates at launch.

Can I use Kling 4.0 videos commercially? Yes, every paid plan includes a commercial license for ads, client work, e-commerce, and monetized social. The free daily video is for personal evaluation.