head to head · open source
stable-diffusion-webui vs CopilotForXcode
stable-diffusion-webui has 165,228 GitHub stars, 31,916 forks, 2,510 open issues and last shipped 8 months ago. CopilotForXcode has 6,364 stars, 2,080 forks, 242 open issues and last shipped yesterday. stable-diffusion-webui leads on adoption by 2,496% (165,228 vs 6,364 stars). stable-diffusion-webui is written in Python under AGPL-3.0; CopilotForXcode is written in Swift under MIT. stable-diffusion-webui has attracted 19% as many forks as stars, CopilotForXcode 33%. CopilotForXcode was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| stable-diffusion-webui | CopilotForXcode | |
|---|---|---|
| GitHub stars | ★ 165K | ★ 6.4K |
| License | AGPL-3.0 | MIT |
| Written in | Python | Swift |
| Last push | 2026-03-02 | 2026-11-02 |
| Forks | ⑂ 32K | ⑂ 2.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick stable-diffusion-webui if
- You weight community size — 165K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick CopilotForXcode if
- You want the CopilotForXcode feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Swift
- You evaluated both and CopilotForXcode fits your workflow better
About stable-diffusion-webui
Stable Diffusion web UI A web interface for Stable Diffusion, implemented using Gradio library. Features Detailed feature showcase with images: Original txt2img and img2img modes One click install and run script (but you still must install python and git) Outpainting Inpainting Color Sketch Prompt Matrix Stable Diffusion Upscale Attention, specify parts of text that the model should pay more attention to a man in a ((tuxedo)) will pay more attention to tuxedo a man in a (tuxedo:1.21) alternative syntax select text and press Ctrl+Up or Ctrl+Down (or Command+Up or Command+Down if you're on a MacOS) to…
read the full stable-diffusion-webui overview →
About CopilotForXcode
GitHub Copilot for Xcode GitHub Copilot for Xcode is the leading AI coding assistant for Swift, Objective C and iOS/macOS development. It delivers intelligent Completions, Chat, and Code Review—plus advanced features like Agent Mode, Next Edit Suggestions, MCP Registry, and Copilot Vision to make Xcode development faster and smarter. [!IMPORTANT] Starting from version v0.50.0, we have added internal support for the upcoming usage based billing experience, including experience updates to the usage panel, usage notifications, and model picker. These changes will become visible once usage based billing is rolled…
read the full CopilotForXcode overview →
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Frequently asked questions
Is stable-diffusion-webui or CopilotForXcode more popular?
stable-diffusion-webui has 165,228 GitHub stars and CopilotForXcode has 6,364. stable-diffusion-webui has the larger community by that measure.
Are stable-diffusion-webui and CopilotForXcode free?
Both are open source. stable-diffusion-webui is licensed under AGPL-3.0 and CopilotForXcode under MIT. Neither carries a licence fee.
What is the difference between stable-diffusion-webui and CopilotForXcode?
stable-diffusion-webui is written in Python and CopilotForXcode in Swift. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, stable-diffusion-webui or CopilotForXcode?
Choose stable-diffusion-webui if you want the larger community (165,228 stars) or its AGPL-3.0 licence terms. Choose CopilotForXcode if its feature set, stack or MIT licence fits better. Both are self-hostable.