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video-to-video

FlashVSR Video Upscaler | Fast High-Quality Video Upscaling For Low-Resolution Footage | WaveSpeedAI

wavespeed-ai/flashvsr

FlashVSR is a fast, high-quality video upscaler that boosts resolution and restores clarity for low-resolution or blurry footage. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.

Hint: You can drag and drop a file or click to upload

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Your request will cost $0.05 per run.

For $1 you can run this model approximately 20 times.

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ExamplesView all

README

FlashVSR

Upscale videos to 720p, 1080p, 2K, or 4K with a simple upload. This is the most advanced video upscaler in the world, delivering the highest output quality and exceptional frame-to-frame consistency. If you want a cheaper option, try our Standard Video Upscaler instead. No local setup required. Also, for Sora-2 wartermark removing, try Watermark Remover!

Why it looks great

  • Temporal consistency: minimizes flicker and ghosting across frames for stable motion.
  • Detail reconstruction: restores fine textures (hair, fabric, foliage) and sharp edges without over-sharpening.
  • Artifact cleanup: reduces compression blocks, ringing, and shimmering in challenging shots.
  • Motion-aware upscaling: preserves fast action and camera pans with fewer motion artifacts.
  • Natural look: balances perceptual quality with crispness to avoid plastic or overprocessed outputs.

Limits and Performance

  • Max clip length per job: up to 10 minutes
  • Processing speed: approximately 3–20 seconds of wall time to process 1 second of video (varies by resolution and queue load)

Pricing

ResolutionCost per 5 seconds (USD)
4K$0.16
2K$0.12
1080p$0.09
720p$0.06

Billing Rules

  • Minimum charge: 5 seconds
  • Per-second rate = (price per 5 seconds) ÷ 5
  • Billed duration = video length in seconds (rounded up), with a 5-second minimum
  • Total cost = billed duration × per-second rate (by output resolution)

How to Use

  1. Choose the target resolution and parameters.
  2. Upload your video (≤ 10 minutes).
  3. Submit the job and wait for processing.
  4. Preview and download the result.

Pro tips for best quality

  • Upload the highest-quality source you have; avoid heavily compressed inputs when possible.
  • Keep original frame rate; avoid unnecessary re-encoding before upload.
  • Pick the lowest resolution that meets your delivery needs (1080p = speed/cost, 2K/4K = maximum detail).
  • For long videos, process in segments to parallelize and then merge.

Notes

  • Actual processing time may vary based on resolution, model choice, and current queue.
  • For videos longer than 10 minutes, split into multiple segments, process separately, and merge afterward.