Lunary

The Production Toolkit for LLMs.

Visit Website →

Overview

Lunary is an open-source toolkit that helps developers to monitor, debug, and improve their LLM applications. It provides features for analytics, monitoring, prompt management, and creating fine-tuning datasets. Lunary is designed to be easy to integrate and self-host.

✨ Key Features

  • LLM Analytics (cost, tokens, latency)
  • Monitoring (logs, traces, user tracking)
  • Prompt Templates and Versioning
  • Dataset Creation for Fine-tuning
  • Chat and Feedback Tracking
  • Evaluations

🎯 Key Differentiators

  • Focus on simplicity and ease of use
  • Open-source and easy to self-host
  • Comprehensive toolkit for the entire LLM lifecycle

Unique Value: Provides a simple, open-source, and comprehensive toolkit for developers to build and operate LLM applications.

🎯 Use Cases (5)

Monitoring and analyzing LLM usage Managing and versioning prompts Creating datasets for fine-tuning Tracking user feedback Evaluating LLM performance

✅ Best For

  • Tracking costs of an LLM-powered application
  • Collaborating on prompt engineering
  • Collecting user feedback to improve a chatbot

💡 Check With Vendor

Verify these considerations match your specific requirements:

  • Monitoring traditional machine learning models
  • Infrastructure monitoring

🏆 Alternatives

Langfuse Helicone LangSmith

Offers a more all-in-one toolkit approach compared to some other open-source tools that may focus on specific aspects of LLM observability.

💻 Platforms

Web API

✅ Offline Mode Available

🔌 Integrations

Any LLM provider (not just OpenAI) Easy to integrate (2 minutes) Simple to self-host (Vercel & Supabase)

🛟 Support Options

  • ✓ Email Support
  • ✓ Live Chat
  • ✓ Dedicated Support (Cloud tier)

🔒 Compliance & Security

✓ GDPR

💰 Pricing

Contact for pricing
Free Tier Available

Free tier: Open-source version is free to self-host. Cloud version has a free tier.

Visit Lunary Website →