Langfuse vs Open WebUI
Langfuse and Open WebUI are both AI Platforms tools in our directory. This side-by-side comparison covers pricing, user ratings, supported platforms, key features and open-source status so you can decide which one fits your needs.
Side-by-side comparison
| Attribute | Langfuse | Open WebUI |
|---|---|---|
| Vendor | Langfuse | Open WebUI |
| Rating | ★ 4.6 | ★ 4.7 |
| Pricing | Freemium | Free |
| Platforms | Web, API, Self-host | Self-hosted, Docker |
| Key features | Open-source traces for LLM apps, Prompt versioning & playground, Datasets and evals | ChatGPT-like UI for any backend, Ollama integration first-class, Built-in RAG with document upload |
| Headquarters | Berlin, Germany | Open source (community) |
| Founded | 2022 | 2023 |
| Open source | Yes | Yes |
Key differences
- Open WebUI has a higher user rating (4.7★ vs 4.6★).
- Langfuse is Freemium, while Open WebUI is Free.
- Both Langfuse and Open WebUI are open source.
- Langfuse runs on Web, API, Self-host; Open WebUI runs on Self-hosted, Docker.
Frequently asked questions
Is Langfuse or Open WebUI better?
By user rating, Open WebUI scores higher (4.7★ vs 4.6★). Both are capable AI Platforms tools, so review the feature comparison for your use case.
Which is cheaper, Langfuse or Open WebUI?
Langfuse is Freemium and Open WebUI is Free. Check each product page for current plan details.
Are Langfuse and Open WebUI open source?
Yes — both Langfuse and Open WebUI are open source.