Comet OpikFreemium
An open-source platform for LLM evaluation, tracing, and production monitoring, from the team behind the Comet ML experiment-tracking tool.
Analytics comparison
Comet Opik vs Splunk Agent Observability (formerly Galileo)
Pricing, pros, cons, and ideal use cases — side by side.
An enterprise platform for evaluating, monitoring, and guarding AI agents and LLM applications, including real-time protection against unsafe outputs.
At a glance
| Comet Opik | Splunk Agent Observability (formerly Galileo) | |
|---|---|---|
| Pricing | FreemiumOpen-source and free to self-host. Comet offers managed and enterprise plans. | EnterpriseEnterprise pricing, quoted per organization. |
| Category | Analytics | Analytics |
| Ideal for | Teams needing open-source LLM observabilityEnterprises with data-residency requirementsExisting Comet ML users | Enterprises running agents and LLM apps at scaleRegulated organizations needing runtime safeguardsTeams needing both evaluation and live monitoring |
Pros & cons
Comet Opik
Pros
- Open-source tracing, evals, and monitoring
- Backed by an established ML tooling company
- Self-hostable for data residency
- Built-in and custom evaluation metrics
Cons
- Crowded category with strong alternatives
- Self-hosting adds operational work
- Choice often comes down to ecosystem fit
Splunk Agent Observability (formerly Galileo)
Pros
- Evaluation, monitoring, and runtime guardrails in one platform
- Real-time detection of unsafe or off-policy outputs
- Metrics that work without ground-truth labels
- Built for enterprise scale
Cons
- Enterprise pricing and procurement
- More than small teams or simple apps need
- Onboarding is a real implementation effort
Which should you choose?
Comet Opik is the lighter-weight option (Freemium), while Splunk Agent Observability (formerly Galileo) sits higher on the pricing ladder (Enterprise). Comet Opik is built around teams needing open-source llm observability; Splunk Agent Observability (formerly Galileo) leans more toward enterprises running agents and llm apps at scale. Shortlist the one whose strengths line up with your biggest constraint.
Still deciding between Comet Opik and Splunk Agent Observability (formerly Galileo)?
Get one AI workflow a week showing Analytics in a real stack — what they cost, and where each one breaks.