Jan vs Langfuse
Jan and Langfuse 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 | Jan | Langfuse |
|---|---|---|
| Vendor | Menlo Research | Langfuse |
| Rating | ★ 4.6 | ★ 4.6 |
| Pricing | Free | Freemium |
| Platforms | Desktop, Local | Web, API, Self-host |
| Key features | Local models on macOS, Windows and Linux, Offline chat with no account, OpenAI-compatible local API | Open-source traces for LLM apps, Prompt versioning & playground, Datasets and evals |
| Headquarters | Singapore | Berlin, Germany |
| Founded | 2023 | 2022 |
| Open source | Yes | Yes |
Key differences
- Jan and Langfuse share the same user rating (4.6★).
- Jan is Free, while Langfuse is Freemium.
- Both Jan and Langfuse are open source.
- Jan runs on Desktop, Local; Langfuse runs on Web, API, Self-host.
Frequently asked questions
Is Jan or Langfuse better?
Jan and Langfuse are rated equally (4.6★) by users, so the better choice depends on your needs — see the feature and platform comparison above.
Which is cheaper, Jan or Langfuse?
Jan is Free and Langfuse is Freemium. Check each product page for current plan details.
Are Jan and Langfuse open source?
Yes — both Jan and Langfuse are open source.