Video Upscaling - SeedVR2 7B

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AI-Powered Video Upscaling & Quality Restoration (High-Quality Variant)

Restore, sharpen, and enhance degraded or low-quality videos to high resolution. SeedVR2-7B is ByteDance's larger, higher-quality variant of their one-step video restoration model, delivering superior output for demanding production use cases.

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What it does

SeedVR2-7B is the premium variant of ByteDance Seed's SeedVR2 video restoration and enhancement model. It takes damaged, blurry, compressed, or low-resolution video footage and restores it to sharp, high-quality output in a single processing pass. The 7B variant offers higher output quality compared to the lighter SeedVR2-3B, making it the better choice for production scenarios where visual fidelity is the top priority. Like its smaller counterpart, it is significantly faster than most competing restoration tools, which require many repeated processing passes to achieve similar results.

Problem it solves

Old or degraded footage – Restores heavily compressed, blurry, noisy, or low-resolution videos to sharp, high-quality output
Slow restoration pipelines – Most AI video restoration tools are slow and computationally expensive. SeedVR2-7B completes restoration in a single pass, dramatically cutting processing time and cost
High-resolution output – Handles high-resolution video restoration with adaptive quality control, avoiding the visual inconsistencies that commonly appear in other tools when scaling up
Real-world content – Built to handle real-world footage with its varied and unpredictable degradation, not just controlled lab test videos
Premium output quality – When output fidelity is critical, the 7B variant delivers a meaningful step up in visual quality over the 3B version

Input/Output

Input:
- A degraded, low-quality, blurry, compressed, or low-resolution video
Output: A restored, high-resolution MP4 video file
- Visually sharp with reconstructed details and textures where they were lost
- Smooth, coherent motion throughout the full length of the video

Accuracy & Speed

Speed & Scale


Processing speed	Single-pass restoration (significantly faster than multi-step alternatives)
Infrastructure needed	Standard single GPU setup
Output quality	Higher fidelity than SeedVR2-3B; comparable to or better than existing multi-step restoration tools

Technical Details


Architecture	7B diffusion-based video restoration model
Approach	One-step adversarial post-training (single inference pass)
Resolution handling	Adaptive window attention — dynamically adjusts to output resolution for consistent quality
Supported Frameworks	Hugging Face Diffusers
Developer	ByteDance Seed

Model Variants

SeedVR2 is available in two sizes to suit different needs: