Lunary

Open-source platform to monitor, manage and improve your LLM apps.

open-source LLM apps app management app debugging developer tool cost monitoring

Tool Information

Primary Task	Apps
Category	specialized-technologies
API Available	Yes
Open Source	Yes
Pricing	Free + from $20/mo
Country	United States

Lunary is an open-source AI developer platform to monitor, manage, and improve LLM apps. It performs essential functions like logs and debugging of LLM agents, enabling developers to trace errors and label data for fine-tuning. Lunary also provides a cost monitoring feature, segmented by user and model; this aids in optimizing costs. With its benchmarking feature, you can experiment with prompts and models to find the best performing ones. Lunary enables recording of user conversations, helping identify gaps in your chatbot's knowledge. It also has a provision to help you create templates and collaborate on prompts with non-technical teammates. Other notable features include hosting for your data with secure self-host options and compliances to ensure maximum security. Furthermore, it provides an open-source community for developers, live tail features, an efficient search function, label data, prompts and a complete API. Lunary also provides alerts for outlier results and errors.

Enterprise LLM-ops platform to build, observe and protect GenAI apps. We build tools for LLM developers such as tracing, evaluations and analytics.

Pros
Open-source platform LLM apps monitoring LLM apps management LLM apps improvement Precise logs and debugging Error tracing Data labelling for fine-tuning Cost monitoring segmented by user model Benchmarking for models prompts User conversations recording Chatbot knowledge gap identification Non-technical teammates collaboration Text templates creation Secure data hosting Self-host options available Compliances for maximum security Open-source community for developers Live tail features Efficient search function Complete API Outlier results alerts Error alerts Captures user feedback Dev-friendly frontend integration Source-code cleaner Versioning feature A/B testing module Easy to integrate Track error stacks Auto cost & token calculations No-code benchmarking Test open-source models Prompt Versioning Alerts for outlier results Instant search and filters Data tagging for easy filter Frontend SDK for chat tracking 20+ model playgrounds Python compatible Data hosted in EU Self-hostable options Evaluate prompt efficiency Public API available Replays entire chats Agent tracing feature Feedback tracking capability Supports LangChain

Cons
Limited to LLM apps No multi-language support No mobile app No offline functionality No real-time collaboration No local installation Data center in EU only ISO 27001 certification pending No SLA for service uptime Limited free usage