Comparison

Laminar vs Lunary

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

Laminar

Open-source observability and eval for AI agents.

  • + Open source with a Rust core for performance
  • + Built-in eval and datasets
  • − Smaller community
  • − Newer project

Lunary

Open-source LLM observability and prompt management.

  • + Lightweight and self-hostable
  • + Clean prompt-management UI
  • − Smaller community
  • − Eval features basic
Spec Laminar Lunary
Role Observability Observability
Tags observability, evaluation, persona-data-scientist, persona-platform-engineer observability, prompt-management, persona-platform-engineer
License Apache-2.0 Apache-2.0
Open source Yes Yes
Self-hostable Yes Yes
MCP support No No
Pricing freemium freemium
Price Free tier Free tier
Usage cost No model cost No model cost
Models multi multi
Languages typescript, rust typescript
GitHub stars 3.1k
Last activity 2026-07-03