SeedVR2

Windows · Mac · Linux · Self-hosted

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Freedom report

Two barsScore 5.4

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

SeedVR2 is ranked #13 of 33 in AI video upscalers on Freedom251. It runs on Linux, macOS, Self-hosted, Windows.

Compared on AI video upscalers

Enhancement modes: SeedVR2-3B; SeedVR2-7B

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The record

Purpose: SeedVR2 is a one-step diffusion-transformer model for video restoration at arbitrary resolutions.
Inference: The project describes restoring video in a single step without an additional diffusion prior.
Research method: The paper describes adaptive window attention and adversarial post-training for high-resolution video restoration.
Image and video upscaling: The official ComfyUI release supports upscaling both videos and images.
ComfyUI integration: The release provides four ComfyUI nodes for controlling the upscaling pipeline.
Standalone use: The release also provides a standalone command-line interface, including multi-GPU and batch processing workflows.
Supported formats: The upscaler supports RGB and RGBA video and image inputs.
Model options: The release documents 3B and 7B model variants, with FP16, FP8, and quantized GGUF options.
Performance controls: The release documents model offloading, VAE tiling, and BlockSwap to manage memory use during inference.
Platform support: Standalone installation instructions cover Windows, macOS, and Linux; Apple Silicon MPS support is also documented.
Security: A release note says model loading was restricted to tensor-only deserialization to prevent code execution from malicious .pth files.
License: The SeedVR2 project states that it is licensed under Apache 2.0.
Support: The project README invites questions by email at [email protected].
Research affiliation: The paper lists the authors’ affiliations as S-Lab at Nanyang Technological University and ByteDance Seed.

Where it ranks on Freedom251

Best AI Video Upscalers in 2026#13 of 33
Best AI Video Restoration Software in 2026#8 of 25

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Sources

github.com/IceClear/SeedVR2· checked 4 Oct 2026
iceclear.github.io/projects/seedvr2/· checked 4 Oct 2026
github.com/numz/ComfyUI-SeedVR2_VideoUpscaler· checked 4 Oct 2026