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Galileo vs Opik

GalileoOpik

Bottom line: Galileo for teams shipping GenAI apps to production; Opik for teams wanting open-source eval plus tracing.

GalileoGalileo

Evaluation intelligence and observability platform for GenAI apps and agents

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OpikOpik

Open-source LLM evaluation, tracing, and observability by Comet.

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Votes00
PricingFreemiumFreemium
CategoryLlm ObservabilityLlm Observability
Tags
llm-evaluationobservabilityguardrailsgenai-metricsagent-monitoring
llm-evaluationobservabilityopen-sourcetracingmonitoring
Best for
  • Teams shipping GenAI apps to production
  • Organizations needing evaluation rigor
  • Agent developers wanting guardrails
  • Teams wanting open-source eval plus tracing
  • LLM engineers doing eval-driven development
  • Organizations that value self-hostability
Pros
  • Purpose-built Luna evaluation models (fast, cheaper than LLM-judge)
  • 20+ research-backed metrics
  • Covers evaluation, observability, and guardrails
  • Polished console with minimal setup
  • Free plan with 5,000 traces/month
  • Full platform is Apache-2.0 and free to self-host
  • Combines tracing and evaluation in one tool
  • LLM-as-a-judge and many automated metrics
  • Fast-growing, widely adopted open-source project
  • Integrates with Comet's ML ecosystem
Cons
  • Pro at $100/month may be steep for small teams
  • Free plan lacks RBAC and advanced analytics
  • Managed platform hosts your evaluation data (unless enterprise self-host)
  • Text/GenAI-focused
  • Advanced features gated to higher tiers
  • Crowded, competitive category
  • Self-hosting requires running infrastructure
  • Managed cloud limits (spans, seats) on lower tiers
  • Evaluation quality depends on judge configuration
  • Deep value tied to adopting the workflow

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