Observability & Tracing

Lunary

Lightweight open-source LLM observability with tracing, analytics, prompt templates and PII masking, formerly known as LLMonitor.

Website ↗ GitHub ↗
CategoryObservability & Tracing
Open sourceYes
Self-hostableYes
Pricing modelfreemium
Pricing notesFree tier; per-seat paid plans; Apache-2.0 self-hosting
Framework integrationslangchain, openai-sdk, anthropic, litellm
Funding / ownership—

Pricing/feature source: https://lunary.ai/pricing