head to head · open source
Open WebUI vs claude-token-optimizer
Open WebUI has 155,717 GitHub stars, 22,672 forks, 294 open issues and last shipped yesterday. claude-token-optimizer has 619 stars, 80 forks, 10 open issues and last shipped yesterday. Open WebUI leads on adoption by 25,056% (155,717 vs 619 stars). Open WebUI is written in Python under a custom or non-standard licence; claude-token-optimizer is written in JavaScript under MIT. Open WebUI has attracted 15% as many forks as stars, claude-token-optimizer 13%. 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 (llm), 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 | claude-token-optimizer | |
|---|---|---|
| GitHub stars | ★ 156K | ★ 619 |
| License | Custom / other | MIT |
| Written in | Python | JavaScript |
| Last push | 2026-10-14 | 2026-10-14 |
| Forks | ⑂ 23K | ⑂ 80 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Open WebUI if
- You weight community size — 156K 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-token-optimizer if
- You want the claude-token-optimizer feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and claude-token-optimizer 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-token-optimizer
claude token optimizer is an MIT licensed Node.js command line tool, published on npm, that cuts the number of tokens Claude Code loads at the start of every session by replacing a large always read CLAUDE.md with a small cheat sheet plus documentation Claude opens only when it needs it.
read the full claude-token-optimizer overview →
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Frequently asked questions
Is Open WebUI or claude-token-optimizer more popular?
Open WebUI has 155,717 GitHub stars and claude-token-optimizer has 619. Open WebUI has the larger community by that measure.
Are Open WebUI and claude-token-optimizer free?
Both are open source. Open WebUI has no licence declared in this registry, and claude-token-optimizer is licensed under MIT. Both are free to self-host.
What is the difference between Open WebUI and claude-token-optimizer?
Open WebUI is written in Python and claude-token-optimizer in JavaScript. 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-token-optimizer?
Choose Open WebUI if you want the larger community (155,717 stars) or its Custom / other licence terms. Choose claude-token-optimizer if its feature set, stack or MIT licence fits better. Both are self-hostable.