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WaveSpeed FlashVSR (FLSH-VSR) is a temporal-coherent AI video super-resolution model that upscales low-resolution video while maintaining consistent detail across frames. Ideal for archiving, AI video enhancement, and SD-to-HD conversion.

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Key capabilities

  • Temporal-coherent upscaling — Maintains frame-to-frame consistency for smooth, realistic output.
  • SD-to-HD conversion — Upscales standard-definition video to high definition with realistic detail.
  • AI video enhancement — Ideal for archiving vintage footage and improving compressed video quality.
  • No local GPU required — All processing runs on ComfyCloud’s infrastructure.
To use the Partner Nodes, you need to ensure that you are logged in properly and using a permitted network environment. Please refer to the Partner Nodes Overview section of the documentation to understand the specific requirements for using the Partner Nodes.
Make sure your ComfyUI is updated.Workflows in this guide can be found in the Workflow Templates. If you can’t find them in the template, your ComfyUI may be outdated.If nodes are missing when loading a workflow, possible reasons:
  1. You are not using the latest ComfyUI version (Nightly version)
  2. Some nodes failed to import at startup

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Available workflows

Open in ComfyCloud

Launch the FLSH-VSR video upscale workflow on ComfyCloud

Download JSON

Download the workflow JSON for local ComfyUI