Langfuse vs LangChain
A side-by-side comparison to help you choose the right tool.
89
Langfuse scores higher overall (89/100)
But the best choice depends on your specific needs. Compare below.
| Feature | Langfuse | LangChain |
|---|---|---|
| Our score | 89 | 84 |
| Pricing | Open-source self-hosted core plus commercial/cloud options depending on deployment path. | Open-source framework; no license fee for the core project. |
| Free plan | Yes | Yes |
| Best for | Teams shipping LLM apps in production, Developers who need traces and evaluation workflows, Organizations standardizing prompt and experiment tracking | Developers prototyping or shipping LLM apps quickly, Teams that want a big ecosystem of examples and integrations, Builders creating RAG or tool-using workflows |
| Platforms | web, linux, api | mac, windows, linux, api |
| API | Yes | Yes |
| Languages | en | en |
| Pros |
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| Visit site | Visit site |
Langfuse
89
- Pricing
- Open-source self-hosted core plus commercial/cloud options depending on deployment path.
- Free plan
- Yes
- Best for
- Teams shipping LLM apps in production, Developers who need traces and evaluation workflows, Organizations standardizing prompt and experiment tracking
- Platforms
- web, linux, api
- API
- Yes
- Languages
- en
- Pricing
- Open-source framework; no license fee for the core project.
- Free plan
- Yes
- Best for
- Developers prototyping or shipping LLM apps quickly, Teams that want a big ecosystem of examples and integrations, Builders creating RAG or tool-using workflows
- Platforms
- mac, windows, linux, api
- API
- Yes
- Languages
- en
89Choose Langfuse if:
- You are Teams shipping LLM apps in production
- You are Developers who need traces and evaluation workflows
- You are Organizations standardizing prompt and experiment tracking
- You want to start free
84Choose LangChain if:
- You are Developers prototyping or shipping LLM apps quickly
- You are Teams that want a big ecosystem of examples and integrations
- You are Builders creating RAG or tool-using workflows
- You want to start free
FAQ
- What is the difference between Langfuse and LangChain?
- Langfuse is an open-source observability and prompt-management platform for llm applications, with tracing, datasets, and evaluation support. LangChain is a widely used open-source framework for building llm apps with tools, chains, retrieval, and agent workflows.
- Which is cheaper, Langfuse or LangChain?
- Langfuse: Open-source self-hosted core plus commercial/cloud options depending on deployment path.. LangChain: Open-source framework; no license fee for the core project.. Langfuse has a free plan. LangChain has a free plan.
- Who is Langfuse best for?
- Langfuse is best for Teams shipping LLM apps in production, Developers who need traces and evaluation workflows, Organizations standardizing prompt and experiment tracking.
- Who is LangChain best for?
- LangChain is best for Developers prototyping or shipping LLM apps quickly, Teams that want a big ecosystem of examples and integrations, Builders creating RAG or tool-using workflows.