Opik
llm-observability
Open-source LLM evaluation, tracing, and observability by Comet.
Pricing
Free plan
Rating
—
Votes
0
Head-to-head comparison
Opik vs Galileo
Compare Opik and Galileo side by side across pricing, features, ratings, pros, cons, best-fit use cases, and alternatives.
Galileo
llm-observability
Evaluation intelligence and observability platform for GenAI apps and agents
Pricing
Free plan
Rating
—
Votes
0
Feature comparison
Feature
Opik
Galileo
Category
llm-observability
llm-observability
Pricing
Free plan
Free plan
Free plan
API access
Mobile app
Browser extension
Team collaboration
Custom training
Self-hosted option
Offline mode
Multi-language support
Opik pros and cons
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
Crowded, competitive category
Self-hosting requires running infrastructure
Managed cloud limits (spans, seats) on lower tiers
Galileo pros and cons
Purpose-built Luna evaluation models (fast, cheaper than LLM-judge)
20+ research-backed metrics
Covers evaluation, observability, and guardrails
Polished console with minimal setup
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)
Which one should you choose?
Best overall signal
Opik
Selected using Toolglade popularity signals such as views and votes.
Best value signal
Opik
Selected using free-plan availability and engagement signals.
Best for
Opik
- LLM evaluation
- agent tracing
- prompt management
- production LLM monitoring
- Teams wanting open-source eval plus tracing
Galileo
- GenAI evaluation
- production observability
- runtime guardrails
- Teams shipping GenAI apps to production
- Organizations needing evaluation rigor
FAQ
Is Opik better than Galileo?
It depends on your use case. Compare category fit, pricing, feature availability, and ratings before choosing.
Which tool has a free plan?
Opik and Galileo offer a free plan based on current Toolglade data.