head to head · open source
Open WebUI vs k-dense-byok
Open WebUI has 152,426 GitHub stars, 22,301 forks, 294 open issues and last shipped today. k-dense-byok has 1,235 stars, 151 forks, 7 open issues and last shipped 7 days ago. Open WebUI leads on adoption by 12,242% (152,426 vs 1,235 stars). Open WebUI is written in Python under a custom or non-standard licence; k-dense-byok is written in TypeScript under MIT. Open WebUI has attracted 15% as many forks as stars, k-dense-byok 12%. Open WebUI was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (mcp, ollama), so they are genuine substitutes rather than adjacent tools.
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 | k-dense-byok | |
|---|---|---|
| GitHub stars | ★ 152K | ★ 1.2K |
| License | Custom / other | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-09-18 | 2026-09-11 |
| Forks | ⑂ 22K | ⑂ 151 |
| 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 k-dense-byok if
- You want the k-dense-byok feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and k-dense-byok 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 k-dense-byok
K Dense BYOK 🎥 Webinar recording: Getting Started with K Dense BYOK An online walkthrough of installing Kady and running your first research task, with live Q&A. 👉 Watch the recording on YouTube Your own AI research assistant, running on your computer, powered by the accounts and API keys you choose. K Dense BYOK (Bring Your Own Keys) is a free, open source app that gives you Kady — an AI research assistant for scientists in any field. Describe a task in plain language — analyze this dataset , review my manuscript , search the literature , build this figure — and Kady works through it in a complete research wor…
read the full k-dense-byok overview →
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Frequently asked questions
Is Open WebUI or k-dense-byok more popular?
Open WebUI has 152,426 GitHub stars and k-dense-byok has 1,235. Open WebUI has the larger community by that measure.
Are Open WebUI and k-dense-byok free?
Both are open source. Open WebUI has no licence declared in this registry, and k-dense-byok is licensed under MIT. Both are free to self-host.
What is the difference between Open WebUI and k-dense-byok?
Open WebUI is written in Python and k-dense-byok 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 k-dense-byok?
Choose Open WebUI if you want the larger community (152,426 stars) or its Custom / other licence terms. Choose k-dense-byok if its feature set, stack or MIT licence fits better. Both are self-hostable.