head to head · open source
Open WebUI vs Claude-to-IM-skill
Open WebUI has 152,426 GitHub stars, 22,301 forks, 294 open issues and last shipped yesterday. Claude-to-IM-skill has 2,880 stars, 316 forks, 100 open issues and last shipped 6 months ago. Open WebUI leads on adoption by 5,193% (152,426 vs 2,880 stars). Open WebUI is written in Python under a custom or non-standard licence; Claude-to-IM-skill is written in TypeScript under MIT. Open WebUI has attracted 15% as many forks as stars, Claude-to-IM-skill 11%. Open WebUI 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
| Open WebUI | Claude-to-IM-skill | |
|---|---|---|
| GitHub stars | ★ 152K | ★ 2.9K |
| License | Custom / other | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-09-18 | 2026-03-23 |
| Forks | ⑂ 22K | ⑂ 316 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Open WebUI if
- You weight community size — 152K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Claude-to-IM-skill if
- You want the Claude-to-IM-skill feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Claude-to-IM-skill fits your workflow better
About Open WebUI
Open WebUI is a self hosted, open source AI interface that unifies access to local and cloud based large language models. It runs entirely in a web browser and supports Ollama for local model hosting alongside any OpenAI compatible API, including services like LMStudio, GroqCloud, Mistral, and OpenRouter. Built in Python, it functions as a drop in replacement for proprietary AI platforms, giving users full control over their model infrastructure and data.
read the full Open WebUI overview →
About Claude-to-IM-skill
Claude to IM skill is a TypeScript skill that turns Telegram, Discord, Feishu/Lark, QQ, or WeChat into a chat front end for Claude Code and Codex, built for developers who want to drive an AI coding agent from a messaging app instead of a terminal.
read the full Claude-to-IM-skill overview →
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Frequently asked questions
Is Open WebUI or Claude-to-IM-skill more popular?
Open WebUI has 152,426 GitHub stars and Claude-to-IM-skill has 2,880. Open WebUI has the larger community by that measure.
Are Open WebUI and Claude-to-IM-skill free?
Both are open source. Open WebUI has no licence declared in this registry, and Claude-to-IM-skill is licensed under MIT. Both are free to self-host.
What is the difference between Open WebUI and Claude-to-IM-skill?
Open WebUI is written in Python and Claude-to-IM-skill in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Open WebUI or Claude-to-IM-skill?
Choose Open WebUI if you want the larger community (152,426 stars) or its Custom / other licence terms. Choose Claude-to-IM-skill if its feature set, stack or MIT licence fits better. Both are self-hostable.