Key strengths
LLM observability and tracingAgent monitoring and error trackingPrompt management and versioningPII masking and security (SOC 2 Type II, ISO 27001)Self-hosting support (Kubernetes/Docker)Analytics and cost trackingHuman reviews and feedback tracking
Paid only · from $20 USD/mo
Self-hostable
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Lunary's API enables programmatic access to traces, events, and prompt management workflows. Integration is available through official libraries for OpenAI and LangChain, as well as a dedicated Python SDK for custom LLM pipelines. Self-hosting is supported on Kubernetes and Docker, giving engineering teams full control over deployment and data residency. The platform handles LLM tracing at the event level, with the Team plan including 50,000 events/month and overage billed at $10 per additional 50k events. Human review workflows and feedback tracking are available for RLHF-style evaluation pipelines. PII masking is built in at the platform level, backed by SOC 2 Type II and ISO 27001 compliance.