Opik vs Phoenix

Side-by-side comparison of Opik and Phoenix: pricing, features, API access, and community ratings.

AI comparison summary

Generating comparison…

	Opik Open-source AI observability & evaluation platform for the agentic era Visit	Phoenix The open-source platform for AI agent development, tracing, and evaluation Visit
Category	AI observability	AI observability
Pricing	Freemium	Freemium
Starting price
Free tier
Audience	Technical	Technical
API available
Open source
Self-hostable
Model provider		Vendor Agnostic
Founded
Headquarters	United States	US
Key strengths	·End-to-end agent trace logging and visualization ·30+ LLM-as-a-Judge evaluation metrics ·Automated code fix suggestions via Ollie coding assistant ·True open-source with self-hosting support	·Full OpenTelemetry-native tracing for LLM agents ·LLM-as-a-judge and human annotation for evaluation ·Vendor-agnostic — works with any model, framework, or language ·Self-hostable with zero data leaving your infrastructure