Opik

Debug and monitor your AI applications with comprehensive tracing and evaluations.

EstablishedOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Rising

License

Open Source

Data freshness

Verified · Jul 16, 2026

Overview

What is Opik?

Open source platform for debugging, evaluating, and monitoring LLM applications, RAG systems, and agentic workflows. Offers automated evaluations and production-ready dashboards.

Key differentiator

Opik stands out as an open-source platform that provides end-to-end monitoring, tracing, and evaluation for AI applications, making it ideal for teams needing comprehensive insights into their LLM and RAG systems.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Comprehensive tracing for LLM applications and RAG systems.medium

Automated evaluations to assess model performance.medium

Production-ready dashboards for monitoring AI workflows.medium

↓ Weaknesses

Steep learning curve for non-Python developershigh

API requires Python-specific patterns, TypeScript SDK is community-maintained

Frequent breaking changes between versionsmedium

v0.1 to v0.2 migration required rewriting chain definitions

Limited language support beyond Pythonhigh

Primary development focus is on Python, with minimal official support for other languages

Small community and limited third-party integrationsmedium

Active contributors are few, leading to a narrow range of plugins and extensions

Fit analysis

Who is it for?

✓ Best for

Teams building RAG apps who need detailed tracing and automated evaluations.

Data science teams looking for a comprehensive monitoring solution for LLM applications.

Agencies working on agentic workflows that require production-ready dashboards.

✕ Not a fit for

Projects requiring real-time streaming capabilities (Opik is batch-oriented).

Teams with limited technical expertise in setting up and managing self-hosted solutions.

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with Opik

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →