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Description
Langfuse is a free and open-source LLM engineering platform that helps teams to debug, analyze, and iterate their LLM Applications.
Observability: Incorporate Langfuse into your app to start ingesting traces.
Langfuse UI : inspect and debug complex logs, user sessions and user sessions
Langfuse Prompts: Manage versions, deploy prompts and manage prompts within Langfuse
Analytics: Track metrics such as cost, latency and quality (LLM) to gain insights through dashboards & data exports
Evals: Calculate and collect scores for your LLM completions
Experiments: Track app behavior and test it before deploying new versions
Why Langfuse?
- Open source
- Models and frameworks are agnostic
- Built for production
- Incrementally adaptable - Start with a single LLM or integration call, then expand to the full tracing for complex chains/agents
- Use GET to create downstream use cases and export the data
Description
Langtail is a cloud-based development tool designed to streamline the debugging, testing, deployment, and monitoring of LLM-powered applications. The platform provides a no-code interface for debugging prompts, adjusting model parameters, and conducting thorough LLM tests to prevent unexpected behavior when prompts or models are updated. Langtail is tailored for LLM testing, including chatbot evaluations and ensuring reliable AI test prompts.
Key features of Langtail allow teams to:
• Perform in-depth testing of LLM models to identify and resolve issues before production deployment.
• Easily deploy prompts as API endpoints for smooth integration into workflows.
• Track model performance in real-time to maintain consistent results in production environments.
• Implement advanced AI firewall functionality to control and protect AI interactions.
Langtail is the go-to solution for teams aiming to maintain the quality, reliability, and security of their AI and LLM-based applications.
API Access
Has API
Yes
API Access
Has API
No
Integrations
OpenAI
Yes
Apify
No
Claude Haiku 3
No
Claude Opus 3
No
Dograh
Yes
Gemini
No
Gemini 1.5 Pro
No
Gemini 2.0
No
Gemini Enterprise
No
Gemini Nano
No
Integrations
OpenAI
Yes
Apify
Yes
Claude Haiku 3
Yes
Claude Opus 3
Yes
Dograh
No
Gemini
Yes
Gemini 1.5 Pro
Yes
Gemini 2.0
Yes
Gemini Enterprise
Yes
Gemini Nano
Yes
Pricing Details
$29/month
Generous free tier and Pro Plans starting at USD 29/month.
Langfuse is open source so you will always be able to host the software yourself at no cost.
Langfuse is open source so you will always be able to host the software yourself at no cost.
Free Trial
Yes
Free Version
Yes
Pricing Details
$99/month/unlimited users
Free Trial
Yes
Free Version
Yes
Deployment
Web-Based
Yes
On-Premises
Yes
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Deployment
Web-Based
Yes
On-Premises
Yes
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Customer Support
Business Hours
No
Live Rep (24/7)
Yes
Online Support
Yes
Customer Support
Business Hours
Yes
Live Rep (24/7)
Yes
Online Support
Yes
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
No
In Person
No
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
Yes
In Person
Yes
Vendor Details
Company Name
Langfuse
Founded
2023
Country
Germany
Website
langfuse.com
Vendor Details
Company Name
Langtail
Founded
2023
Country
Czech Republic
Website
langtail.com