Opik
llm-observability
Open-source LLM evaluation, tracing, and observability by Comet.
Pricing
Free plan
Rating
—
Votes
0
Head-to-head comparison
Opik vs OpenObserve
Compare Opik and OpenObserve side by side across pricing, features, ratings, pros, cons, best-fit use cases, and alternatives.
OpenObserve
llm-observability
OpenTelemetry-native observability for LLM calls, tools, and agent handoffs
Pricing
Free plan
Rating
—
Votes
0
Feature comparison
Feature
Opik
OpenObserve
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
OpenObserve pros and cons
Agent traces are standard OpenTelemetry spans, not a silo
Per-span token cost from your own model pricing
Unlimited users with no per-seat charge
AGPL-3.0 core with a self-hosted option
LLM observability is labelled preview
Online evaluations are an enterprise feature
Ingestion-based pricing needs volume forecasting
Which one should you choose?
Best overall signal
OpenObserve
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
OpenObserve
- agent tracing
- llm cost attribution
- unified observability
- Teams running agents in production
- Platform teams already using OpenTelemetry
FAQ
Is Opik better than OpenObserve?
It depends on your use case. Compare category fit, pricing, feature availability, and ratings before choosing.
Which tool has a free plan?
Opik and OpenObserve offer a free plan based on current Toolglade data.