Langfuse
Trace, evaluate, and improve AI agents with an open platform.
What is Langfuse?
Langfuse is a Data Analysis tool. Trace, evaluate, and improve AI agents with an open platform. Langfuse is a paid tool. It is aimed at developers and data analysts.
Langfuse is an open platform for tracing, evaluating, and improving AI agents. It uses production data to understand agent behavior, supports collaboration on fixes, and helps reduce costs and latency in AI development.
Built for developers and data analysts.
Key capabilities
Features
Unified Platform
Integrates all tools into one platform for AI agent development.
Open Platform
Supports any stack and is open source under MIT license.
Enterprise Scale and Security
Alerts
Notifies users via Slack, GitHub Actions, or Webhooks when metrics cross thresholds.
Public API
Provides a public API for integration with other tools and services.
Use cases
- Trace AI agent behavior using production data
- Evaluate AI agent performance and collaborate on fixes
- Improve AI agent quality by reducing costs and latency
Who it's for
Pros & cons
Pros
- Public API available
- Enterprise scale and security
- Open source under MIT license
Cons
- No free plan available
Pricing
Paid.
| Plan | Price |
|---|---|
| Hobby | — |
| Core | $8 |
| Pro | $8 |
| Enterprise | $8 |
Integrations
AI models
- GPT 5
Developer & API
Public SDK API available
- Webhooks
- Supported
Open source· 35.2K stars· 3.9K forks
Security & compliance
- SOC 2
- ISO 27001
- GDPR
- HIPAA
- SSO
- Encryption
- Data deletion
As stated on Langfuse's website — not independently verified by AiByts.
FAQ
What is Langfuse?
Langfuse is a Data Analysis tool. Trace, evaluate, and improve AI agents with an open platform. Langfuse is an open platform for tracing, evaluating, and improving AI agents. It uses production data to understand agent behavior, supports collaboration on fixes, and helps reduce costs and latency in AI development.
Is Langfuse free?
No, Langfuse is a paid tool.
How much does Langfuse cost?
Langfuse offers 4 plans: Hobby (—), Core ($8), Pro ($8) and Enterprise ($8).
Does Langfuse have an API?
Yes, Langfuse offers a public SDK API with webhooks for building custom integrations.
Who should use Langfuse?
Langfuse is built for developers and data analysts. Common uses: trace AI agent behavior using production data, evaluate AI agent performance and collaborate on fixes and improve AI agent quality by reducing costs and latency.
What does Langfuse integrate with?
Langfuse integrates with Slack, Zapier, n8n, GitHub, AWS, Google Cloud, Azure and Vercel, among 13 integrations.
Is Langfuse open source?
Yes, Langfuse is open source.
What are the best alternatives to Langfuse?
Similar tools on AiByts include Whisper API, Browse AI, Artificial Analysis, MinusX and Text Mining with R by Julia Silge and David Robinson.
Details are compiled from Langfuse's website and public sources, last verified Oct 3, 2026. Features and pricing change — confirm on the official site before you buy.
Try Langfuse
Paid
Comments
Sign in to join the discussion.