ComfyUI vs Rembg
Short answer
ComfyUI: Node-based engine for generating images, video, 3D and audio with open models. Rembg: Background-removal tool you run as a CLI, Python library, HTTP server or Docker container. Both are in our Image & media generation category.
Choose ComfyUI if you want: larger community (145k vs 25.3k GitHub stars).
Choose Rembg if you want: no GPU server needed and fewer license conditions (Permissive vs Copyleft (GPL)).
Rembg publishes no official RAM figure, so we cannot compare hosting cost directly.
Last updated · computed from each project's official docs and live GitHub data · sources
ComfyUI vs Rembg side by side
| ComfyUI | Rembg | |
|---|---|---|
| Category | Image & media generation | Image & media generation |
| What it is | Node-based engine for generating images, video, 3D and audio with open models. | Background-removal tool you run as a CLI, Python library, HTTP server or Docker container. |
| License | GPL-3.0 | MIT (model weights under their own licenses) |
| License type | Copyleft (GPL) | Permissive |
| License conditions | Free to use internally and commercially. If you distribute a modified version, you must release its source under GPL-3.0. Each model has its own license; check before commercial use. | The rembg code is MIT: free for internal and commercial use. Each model has its own license; the default BRIA RMBG-2.0 model requires a paid agreement for commercial use, so pick a different model for business work or license it. |
| Status | Active | Active |
| GitHub stars | 145k | 25.3k |
| Last commit | Nov 2, 2026 | Nov 2, 2026 |
| Latest release | v0.43.0 | v2.0.86 |
| Minimum hardware | 8 GB RAM | Not published |
| Recommended hardware | Not published | Not published |
| RAM measured by us | Not tested yet | Not tested yet |
| GPU | The README claims it can run even the largest open models on as little as 4 GB VRAM plus 8 GB RAM using weight streaming. NVIDIA, AMD, Intel, Apple Silicon and Ascend are supported. | Optional. CPU is the default backend; NVIDIA (onnxruntime-gpu with CUDA and cuDNN) and AMD (onnxruntime-rocm) are supported. |
| Est. server cost | GPU server (not estimated) | Not estimated |
| Deploy method | Desktop app or manual install | pip (HTTP server); Docker image for the CLI |
| Known gotchas | 2 listed | 4 listed |
| Telemetry | Not documented | Not documented |
| Calls home by default | No (documented) | Yes, by default |
| SSO (OIDC / SAML / LDAP) | Not documented | Not documented |
| Audit log | Not documented | Not documented |
| RBAC | Not documented | Not documented |
| Details | Full ComfyUI guide → | Full Rembg guide → |
Key differences
- License: ComfyUI: GPL-3.0 (Copyleft (GPL)). Rembg: MIT (model weights under their own licenses) (Permissive).
- Official hardware: ComfyUI: minimum 8 GB RAM. Rembg: not published.
- GPU: ComfyUI: needed for practical use. Rembg: optional / see notes.
- Est. server cost: ComfyUI: GPU server (not estimated). Rembg: not estimated (no official RAM figure).
- Deploy: ComfyUI: Desktop app or manual install · Desktop app or manual install. Rembg: pip (HTTP server); Docker image for the CLI · single container.
- GitHub stars: ComfyUI: 145k. Rembg: 25.3k.
- Latest release: ComfyUI: v0.43.0 (Oct 27, 2026). Rembg: v2.0.86 (Oct 21, 2026).
Same for both: Category: Image & media generation; Status: Active; Last commit: Nov 2, 2026.
ComfyUI vs Rembg: FAQ
ComfyUI or Rembg: which should a small business choose?
Choose ComfyUI if you want: larger community (145k vs 25.3k GitHub stars). Choose Rembg if you want: no GPU server needed and fewer license conditions (Permissive vs Copyleft (GPL)). Rembg publishes no official RAM figure, so we cannot compare hosting cost directly.
Which is cheaper to self-host, ComfyUI or Rembg?
ComfyUI: GPU server (not estimated). Rembg: not estimated (no official RAM figure). Our estimate is the cheapest Hetzner Cloud plan that meets each project's official RAM and vCPU figure; it covers the server only.
How much hardware do ComfyUI and Rembg need?
ComfyUI: minimum 8 GB RAM. Rembg: not published. ComfyUI needs a GPU for practical use.
What is the license difference between ComfyUI and Rembg?
ComfyUI: GPL-3.0 (Copyleft (GPL)). Free to use internally and commercially. If you distribute a modified version, you must release its source under GPL-3.0. Each model has its own license; check before commercial use. Rembg: MIT (model weights under their own licenses) (Permissive). The rembg code is MIT: free for internal and commercial use. Each model has its own license; the default BRIA RMBG-2.0 model requires a paid agreement for commercial use, so pick a different model for business work or license it. This is a summary, not legal advice.
Is ComfyUI or Rembg more actively maintained?
ComfyUI: Active, last commit Nov 2, 2026. Rembg: Active, last commit Nov 2, 2026. GitHub data refreshed Nov 2, 2026.
Which is easier to deploy, ComfyUI or Rembg?
ComfyUI installs via Desktop app or manual install (Desktop app or manual install); Rembg via pip (HTTP server); Docker image for the CLI (single container). ComfyUI lists 2 known gotchas and Rembg lists 4; see each app page.
Related
- ComfyUI self-hosting guide · Rembg self-hosting guide
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- All Rembg alternatives, ranked
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- InvokeAI vs Rembg
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- Add a third app in the interactive comparison
Sources
- ComfyUI GitHub repository: github.com/Comfy-Org/ComfyUI
- ComfyUI documentation, ComfyUI hardware requirements, ComfyUI deploy instructions: github.com/Comfy-Org/ComfyUI#readme
- ComfyUI license: github.com/Comfy-Org/ComfyUI/blob/master/LICENSE
- Rembg GitHub repository: github.com/danielgatis/rembg
- Rembg documentation, Rembg hardware requirements, Rembg deploy instructions: github.com/danielgatis/rembg#readme
- Rembg license: github.com/danielgatis/rembg/blob/main/LICENSE.txt
- Hetzner Cloud pricing used for cost estimates (read 2026-11-02): www.hetzner.com/cloud/regular-performance
- GitHub REST API (stars, commits, releases): docs.github.com/en/rest
Every value is generated from the same verified data as the app pages. Spotted something wrong? Tell us.