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Kling 2.1 Master

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Video modelKling

Overview

Kling 2.1 Master is a top-tier AI video generation model developed by Kuaishou. Designed for professional creators and commercial productions, it produces 1080p outputs from both text and image prompts. The model utilizes a 3D spatiotemporal attention mechanism to deliver advanced physics simulation, ensuring realistic object interactions, fluid motion, and dynamic facial expressions for complex motion synthesis.

Kling 2.1 Master Image to Video

Image → Video — generates video.

Specifications

Input mode
Image → Video
Accepts
start frame
Aspect ratios
16:9, 9:16, 1:1
Durations
5s, 10s
Max duration
10s
Native audio
No
Pricing
35 credits / second — longer clips and higher resolutions cost more
Typical generation time
~5 min
Free tier
No

Image → Video examples

A wide-angle shot of ocean waves crashing onto a sandy beach at sunset, with distant cliffs on the horizon. The orange and pink sky is reflected on the wet shoreline. This 1924x1076 video frame was generated using the Kling 2.1 Master model.Ocean Waves at Sunset — Kling 2.1 MasterA wide cinematic shot of a hooded warrior in dark leather armor standing under a stone archway. In the background, numerous hot air balloons float over a valley of rock formations during golden hour. Generated using Kling 2.1 Master at 1928x1072 resolution.Hooded Warrior Overlooking Balloon Valley — Kling 2.1 MasterA close-up video frame showing a single, vibrant red raspberry resting on a green leaf. Fine, delicate hairs are visible on the fruit's surface. This video, generated using the Kling 2.1 Master model on Hedra, features a 1440x1440 resolution.Close-Up of a Ripe Raspberry — Kling 2.1 MasterFirst frame of a five-second video generated using Kling 2.1 Master at 1252x1652 resolution. It depicts a field of bioluminescent blue flowers glowing in the twilight. Two glowing butterflies with iridescent wings flutter above the petals, while a warm golden sunset shines through dark trees in the background.Bioluminescent Forest at Sunset — Kling 2.1 MasterA black and white graphic novel style scene showing a detective in a trench coat and a red-banded fedora walking down a dark, wet alleyway in heavy rain. A shadow of another figure looms on a brick wall. This video frame was generated at 1924x1076 resolution using Kling 2.1 Master.Kling 2.1 Master: Noir Detective in Rain AlleyA video still of a female real estate agent in a blue pantsuit standing in a spacious, modern living room. The room features mid-century modern furniture, a hanging wicker chair, a fireplace, and abstract art. Generated using Kling 2.1 Master at 1924x1076 resolution.Real Estate Agent in Luxury Living Room — Kling 2.1 MasterA high-angle view of the Great Wall of China stretching across lush green mountains shrouded in low-lying fog. This 10-second video, generated with Kling 2.1 Master at 1924x1076 resolution from an initial image, captures golden morning light hitting the stone watchtowers and battlements.The Great Wall of China at Sunrise — Kling 2.1 MasterA wide-angle video frame showcasing Superman and Krypto the Superdog flying side by side through a massive, dark storm cloud. Lightning strikes illuminate the grey clouds. Generated using Kling 2.1 Master at 1924x1076 resolution, this image-to-video asset captures a cinematic superhero scene.Superman and Krypto Flying Through Storm — Kling 2.1 Master

Kling 2.1 Master Text to Video

Text → Video — generates video.

Specifications

Input mode
Text → Video
Aspect ratios
16:9, 9:16, 1:1
Durations
5s, 10s
Max duration
10s
Native audio
No
Pricing
35 credits / second — longer clips and higher resolutions cost more
Typical generation time
~4 min
Free tier
No

What is Kling 2.1 Master best used for?

Developed by Kuaishou, Kling 2.1 Master is designed for video production requiring precise physics and spatial awareness. Compared to the standard or pro tiers, the Master model handles advanced physics simulations, complex 3D motion, and interactions between objects. It natively supports 1080p resolution and is noted by the community for its prompt adherence, facial rendering, and consistent cinematic motion.

When was Kling 2.1 Master released and what is its lineage?

Kuaishou released Kling 2.1 Master in May 2025 as a direct upgrade to the Kling 2.0 architecture, which launched in April 2025. It brought improvements to motion consistency and prompt adherence. The model was later succeeded by faster and more advanced iterations in the catalog, such as Kling 2.5 Turbo and the third-generation Kling V3 Pro.

How should I structure my prompts for this model?

To get the best results from Kling 2.1 Master, use explicit cinematic language and camera directions. Terms like "low upward tilt shot," "crane shot," "FPV," or "tracking shot" help the model understand the exact framing you want. The community also recommends utilizing negative prompts to reduce visual glitches and maintain character consistency. For detailed official guidelines, consult the Kling HelpDesk.

What is the Start & End frame feature?

Kling 2.1 Master introduced Start and End frame controls for image-to-video generation. You can upload two distinct images to dictate exactly how a scene begins and resolves. Creators use this trick for scene transitions, age-morphing effects, or ensuring a character lands in a specific pose without the model hallucinating the ending.

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Prompt tips

  • Use negative prompts: Explicitly list unwanted artifacts (e.g., "warped limbs, visual glitches") to force the model to maintain strict physical realism.

  • Direct the camera: Include specific cinematic terminology like "FPV drone shot," "macro close-up," or "slow tracking shot" to control the exact movement.

  • Anchor with keyframes: When using image-to-video, provide both start and end frames to lock in the animation and prevent the model from hallucinating off-screen elements.

  • Isolate VFX changes: When using the swap or delete tools, keep your prompt focused purely on the element being changed rather than re-describing the entire scene.