PostHog vs Google Analytics 4(2026)
PostHog is better for teams that need open source. Google Analytics 4 is the stronger choice if free. PostHog is freemium (from $0 (usage-based after 1M events)) and Google Analytics 4 is free.
Full feature breakdown, pricing details, and pros & cons below.
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PostHog
PostHog is an open-source product analytics suite with funnels, feature flags, A/B testing, and session recording.
Starting at $0 (usage-based after 1M events)
Visit PostHogGoogle Analytics 4
Google Analytics 4 is Google's free analytics platform with machine learning insights and cross-platform tracking.
Visit Google Analytics 4How Do PostHog and Google Analytics 4 Compare on Features?
| Feature | PostHog | Google Analytics 4 |
|---|---|---|
| Pricing model | freemium | free |
| Starting price | $0 (usage-based after 1M events) | Free |
| Product analytics | ✓ | — |
| Session recording | ✓ | — |
| Feature flags | ✓ | — |
| A/B testing | ✓ | — |
| Surveys | ✓ | — |
| Data warehouse | ✓ | — |
| Web and app tracking | — | ✓ |
| GA4 event model | — | ✓ |
| Funnel analysis | — | ✓ |
| Audience builder | — | ✓ |
| BigQuery export | — | ✓ |
| Google Ads integration | — | ✓ |
PostHog Pros and Cons vs Google Analytics 4
P
PostHog
+Open source
+All-in-one product suite
+Generous free tier
+Self-hostable
−Can be complex to set up
−Self-hosting requires infra
−Large bundle size
G
Google Analytics 4
+Free
+Deep Google Ads integration
+Powerful for SEO analysis
+Industry standard
−GDPR compliance concerns
−Complex interface
−GA4 migration was painful
−Data sampling at high volumes
Should You Use PostHog or Google Analytics 4?
Choose PostHog if…
- •Open source
- •All-in-one product suite
- •Generous free tier
Choose Google Analytics 4 if…
- •Free
- •Deep Google Ads integration
- •Powerful for SEO analysis