Langfuse vs Weaviate
Langfuse and Weaviate 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 | Weaviate |
|---|---|---|
| Vendor | Langfuse | Weaviate (SeMI) |
| Rating | ★ 4.6 | ★ 4.5 |
| Pricing | Freemium | Freemium |
| Platforms | Web, API, Self-host | Self-hosted, Cloud, API |
| Key features | Open-source traces for LLM apps, Prompt versioning & playground, Datasets and evals | Self-hostable open source core, Hybrid dense+sparse retrieval, Built-in vectorization modules |
| Headquarters | Berlin, Germany | Amsterdam, Netherlands |
| Founded | 2022 | 2019 |
| Open source | Yes | Yes |
Key differences
- Langfuse has a higher user rating (4.6★ vs 4.5★).
- Both Langfuse and Weaviate use a Freemium model.
- Both Langfuse and Weaviate are open source.
- Langfuse runs on Web, API, Self-host; Weaviate runs on Self-hosted, Cloud, API.
Frequently asked questions
Is Langfuse or Weaviate better?
By user rating, Langfuse scores higher (4.6★ vs 4.5★). Both are capable AI Platforms tools, so review the feature comparison for your use case.
Which is cheaper, Langfuse or Weaviate?
Both Langfuse and Weaviate use a Freemium pricing model.
Are Langfuse and Weaviate open source?
Yes — both Langfuse and Weaviate are open source.