head to head · open source
Open WebUI vs manifold
Open WebUI has 157,812 GitHub stars, 22,946 forks, 294 open issues and last shipped yesterday. manifold has 503 stars, 31 forks, 3 open issues and last shipped 15 days ago. Open WebUI leads on adoption by 31,274% (157,812 vs 503 stars). Open WebUI is written in Svelte under a custom or non-standard licence; manifold is written in Go under MIT. Open WebUI has attracted 15% as many forks as stars, manifold 6%. 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.
← all 20902 open source comparisons
Side by side
| Open WebUI | manifold | |
|---|---|---|
| GitHub stars | ★ 158K | ★ 503 |
| License | Custom / other | MIT |
| Written in | Svelte | Go |
| Last push | 2026-11-05 | 2026-10-22 |
| Forks | ⑂ 23K | ⑂ 31 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Open WebUI if
- You weight community size — 158K stars and counting
- You want the Custom / other license terms
- Your stack matches Svelte
- You value the larger contributor base for long-term maintenance
pick manifold if
- You want the manifold feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and manifold fits your workflow better
About Open WebUI
Open WebUI 👋 Open WebUI is a home for AI , a self hosted AI platform that's extensible , feature rich , user friendly, and built to run entirely offline . With support for Ollama and OpenAI compatible APIs , it gives you a powerful, provider agnostic interface for both local and cloud based models. Passionate about open source AI? Join our team → [!TIP] Looking for an Enterprise Plan? – Speak with Our Sales Team Today! For more information, be sure to check out our Open WebUI Documentation. Key Features of Open WebUI ⭐ 🚀 Effortless Setup : Install seamlessly via pip, uv, Docker, or Kubernetes (kubectl…
read the full Open WebUI overview →
About manifold
Manifold Manifold is an experimental platform for long horizon workflow automation with teams of AI assistants. It supports OpenAI, Google, and Anthropic models, along with OpenAI compatible APIs for self hosted open weight models served through llama.cpp or vLLM. [!WARNING] Manifold is an experimental frontier AI platform. Do not deploy it in production environments that require strong stability guarantees unless this README explicitly states otherwise. What Manifold does Manifold is built for workflows that go beyond one shot prompts. It gives you a workspace where specialists, tools, projects, and workflows…
read the full manifold overview →
More in AI & Machine Learning
Related comparisons
More AI Interaction & Interfaces projects
Compare either of these against the rest of the AI Interaction & Interfaces field.
Frequently asked questions
Is Open WebUI or manifold more popular?
Open WebUI has 157,812 GitHub stars and manifold has 503. Open WebUI has the larger community by that measure.
Are Open WebUI and manifold free?
Both are open source. Open WebUI has no licence declared in this registry, and manifold is licensed under MIT. Both are free to self-host.
What is the difference between Open WebUI and manifold?
Open WebUI is written in Svelte and manifold in Go. 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 manifold?
Choose Open WebUI if you want the larger community (157,812 stars) or its Custom / other licence terms. Choose manifold if its feature set, stack or MIT licence fits better. Both are self-hostable.