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ComfyUI Review 2026 — Best Open-Source AI Image Generation UI

ComfyUI is the professional node-based UI for Stable Diffusion. Supports Flux.1, SDXL, SD3, ControlNet, and 500+ extensions. 60K+ GitHub stars.

ComfyUI Review 2026 — Best Open-Source AI Image Generation UI

ComfyUI lets users connect models, processing steps, parameters, and outputs on a visual node graph. Workflows can be saved, reused, extended with custom nodes, and run locally on supported hardware or through Comfy Cloud.

It is used by artists, developers, VFX teams, advertisers, game studios, and researchers. The local application is free and runs offline, while Comfy Cloud, Partner Nodes, API usage, storage, and some model licenses cost extra.

Features

  • Visual node graph for building image, video, audio, 3D, and text workflows
  • Save and load workflows as JSON
  • Recover workflows and seeds from supported generated media
  • Run locally on Windows, Linux, and macOS
  • Support custom nodes and community workflow templates
  • Partial graph re-execution, queueing, VRAM management, and model offloading
  • Local API for integrating workflows into applications
  • GPL-3.0 open-source license

Use cases

  • Build reusable image-generation workflows without writing application code
  • Create and iterate on video, audio, 3D, or text-generation pipelines
  • Automate batch generation through the local or cloud API
  • Develop custom nodes for specialized models and production tasks
  • Run AI workflows locally without sending core processing to a server

Pros

    Cons

      Pricing

      Starting price
      $20/month
      Pricing checked
      2026-09-19

      STANDARD

      $20/month

      • 30 minute maximum workflow runtime
      • 50,400 credits per year
      • Add more credits anytime
      • Importing your own models is not included

      CREATOR MOST POPULAR

      $35/month

      • 30 minute maximum workflow runtime
      • 88,800 credits per year
      • Import your own models
      • Add more credits anytime

      PRO

      $100/month

      • Up to 1 hour workflow runtime
      • 253,200 credits per year
      • Import your own models
      • Add more credits anytime

      TEAM

      $700/month

      • Invite members up to 50
      • Concurrent workflow runs
      • Shared credit pool
      • Role-based permissions
      • 1,772,400 credits per year
      Official website