opik vs lmnr

Common questions

What is the difference between opik and lmnr?

opik: Debug, evaluate, and monitor LLM applications, RAG systems, and agentic workflows. lmnr: Laminar - open-source observability platform for AI agents. See the comparison table for live GitHub stats and shared categories.

When should I choose opik over lmnr?

Choose opik over lmnr when opik is primarily Python; lmnr is TypeScript; Both opik and lmnr offer comprehensive observability and evaluation capabilities for AI applications, with opik focusing additionally on automatic prompt optimization. The 'alternative' relationship between them stems from their overlapping features in tracing and evaluating AI systems, though opik extends its utility specifically to generative AI and prompt refinement; Tags unique to opik: evaluation, langchain, llama-index, llm; When you need comprehensive tracing and automated evaluations for LLM applications, RAG systems, and agentic workflows.

When should I choose lmnr over opik?

Choose lmnr over opik when lmnr is primarily TypeScript; opik is Python; Both opik and lmnr offer comprehensive observability and evaluation capabilities for AI applications, with opik focusing additionally on automatic prompt optimization. The 'alternative' relationship between them stems from their overlapping features in tracing and evaluating AI systems, though opik extends its utility specifically to generative AI and prompt refinement; Tags unique to lmnr: agent-observability, ai-observability, aiops, llmops; Also covers Developer Tools; lmnr ships Docker support for self-hosted deployment; Use lmnr when you need a comprehensive observability solution for AI agents that supports both self-hosting and a managed platform.

When should I avoid opik?

If you do not require comprehensive tracing and automated evaluations, and simpler monitoring tools suffice. When you prefer not to self-host and manage your own Opik server. If your project is not in Python and you do not want to use the Python SDK. When you need a tool that supports more languages or frameworks beyond Python.

When should I avoid lmnr?

Avoid lmnr if you require a platform that does not support self-hosting or if you prefer not to use Docker Compose for deployment. Do not use lmnr if you are looking for a solution that is not open-source or if you need a platform that is not licensed under Apache-2.0. If your project does not involve AI agents or if you do not need the specific observability features provided by lmnr, consider other tools.

Is opik or lmnr more popular on GitHub?

opik has more GitHub stars (22,110 vs 3,265). Stars measure visibility, not whether either tool fits your constraints.

Are opik and lmnr open source?

Yes - both are open-source projects on GitHub (opik: Apache-2.0, lmnr: Apache-2.0).

Where can I find alternatives to opik or lmnr?

GraphCanon lists graph-backed alternatives at opik alternatives and lmnr alternatives (opik markdown twin, lmnr markdown twin), ranked by typed relationship edges rather than popularity votes.

Is there a machine-readable version of this comparison?

Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.

Which is better maintained, opik or lmnr?

opik: Very active. lmnr: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.

Where are the full trust reports for opik and lmnr?

GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: opik trust report; lmnr trust report.