OpenLIT provides observability and evaluation for AI agents and coding agents, tracing models, tools, prompts, costs, and workflows.
Open source
24 alternativesLunary
Observability and prompt management platform for LLM-based apps. Take your LLMs to the next level.
About Lunary
Lunary is an observability and prompt management platform for LLM-based apps, including chatbots, internal knowledge tools, customer support bots and autonomous agents. It logs prompts and results, provides traces with error details, and offers analytics on usage, costs, topics and user feedback.
It provides prompt templates with versioning and A/B testing, chat replays, custom dashboards, and controls such as PII masking, RBAC and SSO. The source describes self-hosting in a VPC with Kubernetes or Docker, and SDKs for use with OpenAI and LangChain.
Key features
- Log prompts and results with traces and error details
- Prompt templates with versioning and A/B testing
- Track model usage, costs, topics and user satisfaction
- Monitor agents in real time with performance alerts
- Mask PII in user data
- Search and filter chats with topic classification
Best for: Teams building and operating LLM chatbots, knowledge assistants and agents that need monitoring and prompt iteration.
Good for
- Self-hostable with VPC deployment via Kubernetes or Docker
- Works across LLMs and frameworks, with OpenAI and LangChain mentioned
- Supports text, audio and image inputs
Watch out for
- Requires payment to activate a workspace
Lunary at a glance
- Website
- lunary.ai
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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