# Kling V2.1 Pro

> Kling V2.1 Pro is available on Artifio.ai — a unified AI workspace with a single pay-as-you-go wallet.

- Canonical page: https://artifio.ai/models/kling-v2-1-pro
- Run it: https://artifio.ai/create/kling-v2-1-pro
- Modality: image to video
- Model brand: Kling
- Pricing: from about $0.050 per second (exact cost shown in the workspace before you confirm; varies with selected options)
- Typical generation time: ~300s (catalogue estimate)
- Full pricing table: https://artifio.ai/pricing/models

## About Kling V2.1 Pro

Kling V2.1 Pro is the middle quality mode of the Kling 2.1 video lineup that Kuaishou released in May 2025. Kling is the video generation model line from the Beijing company behind the Kwai short-video platform, first opened for public testing in June 2024, and 2.1 was the release that introduced tiered quality modes. The Pro tier targets higher fidelity image-to-video output than the Standard mode while staying below the Master tier in cost.

Artifio runs the model in the same workspace as its full catalogue, billed per generation from one wallet.

## Features

- Animates a still reference image into a video clip using the 2.1 image-to-video pipeline.
- Generates clips of 5 or 10 seconds per run.
- The Kling family outputs video at up to 1080p and 30 frames per second.
- Uses Kuaishou's diffusion transformer architecture with a self-developed 3D variational autoencoder for spatiotemporal compression.
- One of three quality modes (Standard, Pro, Master) that Kuaishou introduced with the May 2025 release.

## What people use it for

- Client-facing promo clips where a still product or lifestyle photo needs convincing motion.
- Marketing assets that justify a higher per-clip cost than draft-grade output.
- Animating key art for landing pages and app store creatives.
- Music and mood visuals built from a single strong frame.

## Reported strengths

- Realistic motion and physics simulation, the trait reviewers most often praised in the 2.1 generation.
- Temporal consistency and detail rendering improved over the 1.6 and 2.0 generations that preceded it.
- A practical midpoint: closer to Master-grade fidelity without Master-grade cost.

## Reported limitations

- The Pro tier works from a reference image rather than from a text prompt alone.
- Kuaishou documents the 2.1 release at family level, and public tier-by-tier specifications are thin, so most claims here apply to the family rather than this tier specifically.
- Kling 2.1 produces silent video; synchronized audio generation arrived later in the line with Video 2.6.
- Content rules aligned with Chinese government regulations refuse politically sensitive prompts.

## Sources

1. Kling AI (Wikipedia): https://en.wikipedia.org/wiki/Kling_AI
2. Kling 2.1: China's Best Video Generation Model Yet (Analytics Vidhya): https://www.analyticsvidhya.com/blog/2025/06/kling-2-1/
3. Kling AI Launches Video 2.6 Model with Simultaneous Audio-Visual Generation Capability (Kuaishou Technology): https://ir.kuaishou.com/news-releases/news-release-details/kling-ai-launches-video-26-model-simultaneous-audio-visual

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