Tool fileDesk: Image
ComfyUI review
Quick answer
The most control, the widest model support and full privacy when run locally, at the cost of a learning curve and a capable GPU.
Free: Local app is free and open source (GPL-3.0). Paid: Comfy Cloud Standard $20/month ($16 billed yearly).
Best for: Technical users wanting full local control.
At a glance
- Platforms: Windows, macOS, Linux, Web, API
- Allows: Any model you load locally, Imported LoRAs on Comfy Cloud Creator plan
- Content rules: Cloud terms ban CSAM, non-consensual intimate imagery, impersonation; adult content not addressed.
- Privacy and retention: Cloud terms say Comfy will not train models on Input or Output; local core runs fully offline.
- Age verification: Not published (terms state no minimum age or verification method).
ComfyUI
- Official site
- comfy.org
- Free tier
- Local app is free and open source (GPL-3.0)GitHub repository (opens in new tab), checked
- From
- Comfy Cloud Standard $20/month ($16 billed yearly) (Cloud bills active GPU time in credits; new users get 5 free cloud runs)Cloud price page (opens in new tab), checked
- Best for
- Technical users wanting full local control
- Platforms
- Windows · macOS · Linux · Web · API
- Models and styles
- Open model families incl. SD 1.5, SDXL, SD3.5, Flux, Qwen Image, Wan video; any local checkpoint or LoRA.
- Character consistency
- Built through workflows: LoRAs, reference conditioning, and image-edit models such as Flux Kontext.
- Editing tools
- Built-in inpaint, outpaint, masks, ControlNets, upscaling, model merging, and image-edit models.
- Content rules
- Cloud terms ban CSAM, non-consensual intimate imagery, impersonation; adult content not addressed.Terms (opens in new tab), checked
- Cost per image
- Local: own hardware only. Cloud: billed per GPU second; no per-image price published.Cloud price page (opens in new tab), checked
- Ownership and private mode
- Cloud terms: user keeps rights to inputs; local runs stay on your own machine.
- Privacy and retention
- Cloud terms say Comfy will not train models on Input or Output; local core runs fully offline.
- Age verification
- Not published (terms state no minimum age or verification method).
- Setup and ease of use
- Node-graph interface; Desktop app eases install, but workflows and model setup take learning.
- User reports
- Trustpilot 3.0 from 2 reviews; GitHub repo has about 142,000 stars.
- Last checked
- by Jun Sato
Strengths
- Free and open source
- Runs offline on own hardware
- Widest model and LoRA support
- Full editing toolset in workflows
Weaknesses
- Steep learning curve
- Needs a capable GPU for local use
- No built-in character manager
- Cloud credits do not roll over
Our notes
ComfyUI is an open-source, node-based workflow tool for image and video models. It runs locally on Windows, macOS, and Linux, or as the paid Comfy Cloud service. Its Cloud terms ban illegal and non-consensual content but do not address adult content in general.
Check log
The vendor pages we read, the date we read them and what they said. These are document checks of published pages.
| Date | Checked | Found |
|---|---|---|
| Cloud price page (opens in new tab) | Price: Comfy Cloud Standard $20/month ($16 billed yearly) (Cloud bills active GPU time in credits; new users get 5 free cloud runs)Cost per image: Local: own hardware only. Cloud: billed per GPU second; no per-image price published. | |
| GitHub repository (opens in new tab) | Free tier: Local app is free and open source (GPL-3.0) | |
| Terms (opens in new tab) | Content rules: Cloud terms ban CSAM, non-consensual intimate imagery, impersonation; adult content not addressed. |
Sources
Appears in
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ComfyUI alternatives
Image desk →| Tool | Free tier | From | Best for |
|---|---|---|---|
| Unstable Diffusion | Possible time-limited trial; no ongoing free tier | Pro $30/month | High-volume generation on many models |
| Seduced | No free tier listed; 2-day trial $10 (40 credits) | Pro $30/month (300 credits) | Explicit realistic images and video |
| Promptchan | Free plan with daily Gem allowance | Plus $14.99/month (100 Gems) | Quick explicit images with easy edits |
| NovelAI Image Generation | Not published | Tablet $10/month | Private anime-style image generation |
| Civitai Red | Free browsing; Buzz can be earned on site (third-party) | Buzz packs at about 1,000 Buzz per $1 (third-party) | Browsing and using community LoRAs |
| Candy.ai (images) | Free account with limited messages | $3.99/month billed yearly ($47.88) | Companion chat with matching images |