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Kling 4.0

Try Kling 4.0 online: 30-second AI video in 4K with 10 keyframes, 15 references and native stereo audio with lip-sync. Text or image to vide

Visit Kling 4.0kling40.io
Kling 4.0 screenshot, image 1

Overview

Try Kling 4.0 online: 30-second AI video in 4K with 10 keyframes, 15 references and native stereo audio with lip-sync. Text or image to video, free to start.

AI summary

Kling 4.0 is an AI video generator that transforms text prompts or images into 30-second cinematic videos, supporting up to 10 keyframes and 15 references while generating stereo audio with lip-sync.

Sources behind this listingSee source links, recorded dates and owner corrections.

Observed facts come from public pages. Founder-edited facts are supplied by the verified owner. AI-inferred facts are model interpretations; derived facts are calculated from other data. A source link lets you check the current page. It does not guarantee the fact is still current.

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TaglineTry Kling 4.0 online: 30-second AI video in 4K with 10 keyframes, 15 references and native stereo audio with lip-sync. Text or image to vide
Source not recordedDate not recordedSource link unavailable
DescriptionTry Kling 4.0 online: 30-second AI video in 4K with 10 keyframes, 15 references and native stereo audio with lip-sync. Text or image to video, free to start.
Source not recordedDate not recordedSource link unavailable
Free planNot stated
Source not recordedDate not recordedSource link unavailable
Free trialNot stated
Source not recordedDate not recordedSource link unavailable
IntegrationsLinear
Source not recordedDate not recordedSource link unavailable
SummaryKling 4.0 is an AI video generator that transforms text prompts or images into 30-second cinematic videos, supporting up to 10 keyframes and 15 references while generating stere...
AI-inferredRecorded Source link unavailable

Key Features

  • Generates 30-second videos with up to 4K resolution.
  • Supports up to 10 keyframes and 15 reference inputs.
  • Includes native stereo audio with lip-sync across multiple languages.
  • Offers a user-friendly browser-based interface with no installation required.

Who Is It For

Target audience

Ideal for small to medium-sized businesses, digital marketers, and content creators who need quick video production solutions.

Best for

Content creators and marketers looking to produce engaging video content quickly and efficiently.

–Not for

Users seeking advanced video editing features or those who require extensive customization beyond the provided templates.

Strengths & Weaknesses

Biggest strength

The ability to create continuous 30-second videos with high-quality 4K output, stereo audio, and lip-sync capabilities, all generated in a single pass.

Biggest weakness

Pricing and availability of free plans or trials are unclear from public info (AI-inferred; may be outdated. Founders can correct this)

Classification

Likely competitors
SynthesiaPictoryLumen5InVideo

Alternatives to Kling 4.0

See all alternatives to Kling 4.0

Community

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How we sourced this: Observed fields () were crawled from https://kling40.io when recorded. Source links and dates are available above. AI-inferred fields () were generated by gpt-4o-mini and are always labelled, never presented as measured fact. Last updated: 5 October 2026. Is this your tool? Claim it to edit and get a do-follow badge.