Diffusion-based detail reconstruction
FlashVSR's diffusion model intelligently rebuilds texture, removes compression artifacts, and enhances fine details that simple upscaling algorithms miss.
FlashVSR — Diffusion-Based AI Video Super-Resolution
🎁 Get free credits on signup + earn daily credits through check-ins. Restore clarity, enhance details, and upscale videos to 4K. Make AI-generated content look cinematic with FlashVSR.
Low-Res Original
4K Enhanced
Low-Res Original
4K Enhanced
Low-Res Original
4K Enhanced
Low-Res Original
4K Enhanced
Low-Res Original
4K Enhanced
Low-Res Original
4K Enhanced
Low-Res Original
4K Enhanced
Low-Res Original
4K Enhanced
From blurry source to broadcast-ready output in minutes
FlashVSR Enhancement Pipeline
Trace each step of the FlashVSR pipeline—diffusion-based reconstruction, temporal consistency, artifact removal, and flexible output control—so your studio ships consistently stunning enhanced video.
Temporal consistency engine
Locality-Constrained Sparse Attention ensures smooth motion across frames, preventing flickering and ghosting artifacts common in frame-by-frame methods.
Multi-resolution output control
Choose from 2× or 4× upscaling factors, select output codecs (H.264, ProRes), and export frame sequences for advanced editing workflows.
API-ready workflow integration
REST APIs, SDKs, and webhook notifications make FlashVSR easy to integrate into existing video pipelines, DAM systems, or automated enhancement workflows.
Core Technology
Explore FlashVSR's Breakthrough Capabilities
Industry-leading diffusion-based video super-resolution with four key innovations from cutting-edge research
Core Technology
Industry-leading diffusion-based video super-resolution with four key innovations from cutting-edge research
Real-time streaming video super-resolution achieves ~17 FPS on A100 GPUs with single-step diffusion, making high-quality enhancement practical for production workflows
Performance & Advantages
Why FlashVSR Outperforms Traditional Methods
Built on breakthrough research from OpenImagingLab with measurable performance improvements
Performance & Advantages
Built on breakthrough research from OpenImagingLab with measurable performance improvements
- ~12× Speedup vs Prior Models
- Scales to Ultra-High Resolutions
- Open-Source on GitHub & HuggingFace
- Quality-Assessed VSR-120K Dataset
Technical Deep Dive
How FlashVSR Achieves Superior Quality
Built on rigorous research from Tsinghua University and Shanghai AI Lab, FlashVSR combines multiple innovations to make diffusion-based video super-resolution practical and efficient.
Train-Friendly Three-Stage Distillation
Progressive distillation pipeline from multi-step diffusion to single-step inference, enabling real-time processing without sacrificing quality
Concentrated Computation Strategy
Focuses computational resources on the most relevant spatial regions, reducing overhead while maintaining detail reconstruction quality
Low-Resolution Frame Conditioning
Leverages low-resolution inputs as additional conditioning signals to guide the decoder, improving consistency and reducing artifacts
Resolution Artifact Mitigation
Constrains attention queries to local spatial windows, preventing common upscaling artifacts like ringing, aliasing, and temporal flickering
Maintains High Visual Quality
Achieves up to ~12× speedup over prior one-step diffusion VSR models while preserving natural texture, detail, and temporal coherence
Practical Real-World Applications
Scales reliably to ultra-high resolutions (768×1408 and beyond), making it suitable for production workflows, content creation, and archival restoration
Frequently Asked Questions About FlashVSR
Everything About FlashVSR Video Super-Resolution
What Creators Say About FlashVSR
Hear from our community
Alex Chen
Video Post-Production SpecialistFlashVSR saved our studio thousands. We upscale low-res client footage to 4K for broadcast—quality rivals native shoots.
Maria Rodriguez
AI Video CreatorI use FlashVSR to enhance all my Runway and Sora outputs. It removes that 'AI look' and makes everything cinematic.
David Park
Indie FilmmakerFlashVSR's temporal consistency is unmatched. No flickering, no artifacts—just smooth, natural 4K motion.
Sarah Johnson
Video EditorFlashVSR transformed our old corporate training videos into crystal-clear HD. Clients are amazed at the quality improvement.
Wei Zhang
Content ProducerAs a solo creator, FlashVSR lets me deliver 4K quality to clients without expensive equipment. Game changer for my business.
Na Li
Social Media ManagerUsing FlashVSR to enhance our social media clips, engagement increased 3x and video quality became our competitive advantage.
Ming Wang
E-Learning DeveloperEnhancing old lecture recordings with FlashVSR made them look brand new. Students engagement improved dramatically.
Si Chen
Brand Marketing ManagerFlashVSR lets us repurpose archive footage for modern campaigns. It's like having a time machine for video quality.
Yang Liu
Streaming CreatorUsing FlashVSR to upscale my stream highlights to 4K for YouTube. The quality boost increased my subscribers by 50%.
Tom Richards
Video ArchivistThis is a breakthrough for video restoration. FlashVSR brings decades-old footage into the modern era with stunning clarity.
Xue Zhao
Freelance EditorAs a freelancer, FlashVSR gives me enterprise-level enhancement capabilities. My client retention rate doubled.
James Kim
Video ProducerVideo enhancement that used to take days now completes in minutes with FlashVSR. It's a productivity multiplier.