Does ComfyUI collect data?

When working with AI tools, privacy is always a concern. Many users ask: Does ComfyUI collect data? The answer depends on how and where you use it. ComfyUI is open source, and its privacy practices differ depending on whether you run it locally, browse its documentation sites, or use a cloud service.

Local Installation: 100% Private

Running Promptus with ComfyUI on your own computer is the most private option.

• ✅ No telemetry or analytics in the core code.
• ✅ Prompts and generated images remain on your machine.
• ✅ No network communication unless you choose to download models or install community nodes.

This means that by default, your creative work stays private. If you care about total control, self-hosting is the safest approach.

ComfyUI Wiki and Documentation

The ComfyUI Wiki has its own privacy practices:

• No personal data is collected.
• Only cookies and basic web analytics are used.
• Data such as browsing habits or device info may be tracked, but only to improve site usability.

If you’re simply reading tutorials or docs, no sensitive information is shared beyond typical website analytics.

Comfy.org Data Collection

On Comfy.org, data collection depends on your activity:

• If you create an account or purchase services, the site collects basic info like your name and email.
• This data is used to provide access, manage accounts, and deliver updates.
• Information is retained only as long as necessary and protected with standard security measures.

If you only download installers without logging in, data collection is minimal.

Cloud Providers (e.g., RunDiffusion)

Using ComfyUI through a cloud service introduces new considerations:

• Providers like RunDiffusion run sessions on isolated private machines.
• Usage logs, prompts, and outputs may be collected for billing and enforcement.
• Your images and prompts live temporarily on their servers.

Each cloud host has its own privacy policy. Read carefully before uploading sensitive projects.

Conclusion

ComfyUI itself does not collect data when run locally — it’s open source and privacy-respecting.

📌 Locally: No data collection, total control.

📌 Wiki: Non-personal analytics only.

📌 Comfy.org: Collects minimal personal data if you register.

📌 Cloud: Providers may log usage, so check their policies.

For maximum privacy, run ComfyUI offline on your own machine or use Promptus with ComfyUI, which bundles the setup while keeping everything local.