Lunary

Monitors and optimizes AI chatbot performance with analytics and debugging tools. Observability and prompt management platform for LLM-based apps. Take your LLMs to the next level. Lunary is an open-source platform for monitoring and improving AI chatbots with analytics and prompt tools. It offers a free plan with 10,000 events per month and no credit card required. It supports self-hosting via Kubernetes or Docker for full data control. It integrates with OpenAI, LangChain, and other LLM frameworks via lightweight SDKs. It automatically scrubs sensitive user data to ensure GDPR compliance. After two days of exceeding limits, access is restricted until you upgrade or stay under limits.