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 Hotjar
Pricing, pros, cons, and ideal use cases — side by side.
HotjarFreemium
Session recordings, heatmaps, and on-site surveys — see exactly how visitors use your website.
At a glance
| Comet Opik | Hotjar | |
|---|---|---|
| Pricing | FreemiumOpen-source and free to self-host. Comet offers managed and enterprise plans. | FreemiumBasic free plan (35 sessions/day). Plus $32/month. Business $80/month. |
| Category | Analytics | Analytics |
| Ideal for | Teams needing open-source LLM observabilityEnterprises with data-residency requirementsExisting Comet ML users | EcommerceAgenciesSaaSAny SMB with a website |
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
Hotjar
Pros
- Watch real user sessions
- Heatmaps and click maps
- On-site surveys built in
- Free tier for testing
Cons
- Can slow down sites
- Privacy considerations
- Sample-based on lower plans
Which should you choose?
Comet Opik is built around teams needing open-source llm observability; Hotjar leans more toward ecommerce. Shortlist the one whose strengths line up with your biggest constraint.