Comparison

Laminar vs OpenLLMetry

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

OpenLLMetry

OpenTelemetry instrumentation for LLMs.

  • + Vendor-neutral instrumentation
  • + Works with existing observability stacks
  • − Instrumentation only, no UI
  • − Needs a backend like SigNoz or Honeycomb
Spec Laminar OpenLLMetry
Category eval-observability eval-observability
License Apache-2.0 Apache-2.0
Open source Yes Yes
Self-hostable Yes Yes
MCP support No No
Pricing freemium free
Starting price Self-host free Free
Models multi multi
Languages typescript, rust python, typescript
GitHub stars 3.0k 7.2k
Last activity 2026-06-25 2026-06-25