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Langfuse
NewVerified
Open-source LLM engineering platform for debugging and iterating on LLM applications
Overview
Langfuse is an open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications with comprehensive monitoring and analytics.
Pros
- Open-source
- Comprehensive LLM debugging tools
- Collaborative features
- Easy integration
✕ Cons
- Requires technical setup
- Learning curve for full features
Key Features
LLM monitoring
Debug analytics
Application iteration tools
Team collaboration
Use Cases
LLM application developmentDebugging LLM outputsPerformance monitoringTeam-based LLM projects
Best For
LLM EngineersAI/ML TeamsPrompt EngineersFull-Stack AI DevelopersProduct Teams Building with LLMs
Frequently Asked Questions
What are the pricing options for Langfuse?▾
Langfuse is open-source and free to self-host. They also offer a managed cloud version with a free tier for development and paid plans for production use.
How steep is the learning curve for getting started?▾
Langfuse is designed for straightforward integration with minimal setup required. Developers can begin monitoring LLM applications quickly with clear documentation and SDKs for popular frameworks.
Does Langfuse integrate with other tools and APIs?▾
Yes, Langfuse provides SDKs and API support for Python, JavaScript, and other languages, allowing easy integration with existing LLM frameworks and workflows.
What are the main limitations of Langfuse?▾
As an open-source tool, self-hosting requires infrastructure management. The managed cloud tier may have feature limitations compared to enterprise solutions for very large-scale deployments.
What is Langfuse best used for?▾
Langfuse excels at debugging, monitoring, and iterating on LLM applications in development and production environments, with built-in collaboration features for teams building AI products.
Pricing Plans
Hobby
Custom
- 50k units/month included
- 30 days data access
- 2 users
- All platform features with limits
Core
$29/monthly
- 100k units/month included ($8 per 100k additional)
- 90 days data access
- Unlimited users
- In-app support
ProMost Popular
$199/monthly
- 100k units/month included ($8 per 100k additional)
- 3 years data access
- Unlimited annotation queues
- High rate limits
Enterprise
Custom
- Custom volume pricing
- SSO enforcement with fine-grained RBAC
- Audit logs and SCIM API
- Dedicated support engineer
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