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Kling 4.0

Video

Kuaishou · Text to video · from $0.13

Kling V4.0 Text-to-Video generates cinematic clips of 3 to 30 seconds from a text prompt, with 720p and 1080p output, four aspect ratios including 21:9 ultrawide, and synchronized stereo audio. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.

PromptExpand

A fisherman in a yellow raincoat rows a small wooden boat across a calm misty lake at dawn, soft golden light breaking through the fog, gentle ripples, a heron lifts off in the background, slow cinematic dolly-in, natural ambient sound of water and distant birds

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Parameters

Official parameters only. Explicit capabilities are limited to what the official description states.

DimensionKling 4.0
TaskText to video
Starting price$0.13/run · 5s
Resolution720p / 1080p
Aspect ratio16:9 / 9:16 / 1:1 / 21:9
Duration5s
Explicit capabilitiesAudio, Text to video

Explicit capabilities are only those stated in the official description. Nothing is inferred.

Pricing

Beyond the starting price, resolution and duration change the actual cost.

ModelUnit priceResolution / durationSourceVerified
Kling 4.0$0.13/run · 5s720p · 5swavespeed11/11/2026

Prices are official starting prices, excluding tax and FX. Refer to the official source.

Samples for this task

Official samples. Task and parameters are defined by the original page.

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Other models of the same type

Same type, ready for a side-by-side comparison. This is not a ranking.

Data source

Prices and samples come from the wavespeed official model page; last verified 11/11/2026. This page currently includes 2 official samples. Prompts and parameters are defined by the original page.

Prices change with resolution, duration and official updates. This page shows starting prices and default configurations only; refer to the official source for actual cost.

FAQ

How much does Kling 4.0 cost?
Kling 4.0 starts at $0.13/run · 5s on WaveSpeed. Actual cost varies with resolution, duration and retries. Last verified: 11/11/2026.
Does Kling 4.0 support Chinese text?
The official description does not explicitly list Chinese text capability. Validate with your actual copy before using it for Chinese text.
What is the official task category for Kling 4.0?
The official task category is Text to video (Text to Video API). This page only shows verifiable tasks, prices and parameters; it does not infer use cases.
How should I choose between Kling 4.0 and similar models?
Start with a side-by-side comparison of Kling 4.0 and Gemini Omni 1.2 Flash: price, parameters and official samples on one page.