head to head · open source
Open WebUI vs opencode.nvim
Open WebUI has 152,394 GitHub stars, 22,296 forks, 294 open issues and last shipped yesterday. opencode.nvim has 3,834 stars, 159 forks, 6 open issues and last shipped 4 days ago. Open WebUI leads on adoption by 3,875% (152,394 vs 3,834 stars). Open WebUI is written in Python under a custom or non-standard licence; opencode.nvim is written in Lua under MIT. Open WebUI has attracted 15% as many forks as stars, opencode.nvim 4%. Open WebUI was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai), 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 | opencode.nvim | |
|---|---|---|
| GitHub stars | ★ 152K | ★ 3.8K |
| License | Custom / other | MIT |
| Written in | Python | Lua |
| Last push | 2026-09-17 | 2026-09-14 |
| Forks | ⑂ 22K | ⑂ 159 |
| 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 opencode.nvim if
- You want the opencode.nvim feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Lua
- You evaluated both and opencode.nvim 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 opencode.nvim
opencode.nvim is Neovim plugin, Lua code, MIT license. It connects Neovim to OpenCode, AI coding assistant. It lives in Neovim plugin ecosystem, under AI and machine learning, AI interaction and interfaces. It targets users wanting AI help without leaving terminal text editor. It bridges Neovim buffers, selections, cursor position, and prompt selection to OpenCode. It keeps user in known Neovim flow. It does not replace OpenCode interface. It uses OpenCode existing terminal user interface and API through standard Neovim interfaces. Topic tags include ai, ai agents, ai assistant, lua, neovim, neovim plugin, nvim, …
read the full opencode.nvim overview →
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Frequently asked questions
Is Open WebUI or opencode.nvim more popular?
Open WebUI has 152,394 GitHub stars and opencode.nvim has 3,834. Open WebUI has the larger community by that measure.
Are Open WebUI and opencode.nvim free?
Both are open source. Open WebUI has no licence declared in this registry, and opencode.nvim is licensed under MIT. Both are free to self-host.
What is the difference between Open WebUI and opencode.nvim?
Open WebUI is written in Python and opencode.nvim in Lua. 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 opencode.nvim?
Choose Open WebUI if you want the larger community (152,394 stars) or its Custom / other licence terms. Choose opencode.nvim if its feature set, stack or MIT licence fits better. Both are self-hostable.