GrowthBook vs PostHog(2026)
GrowthBook is better for teams that need open source. PostHog is the stronger choice if open source. GrowthBook is freemium (from $0 (self-hosted free)) and PostHog is freemium (from $0 (usage-based after 1M events)).
Full feature breakdown, pricing details, and pros & cons below.
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GrowthBook
GrowthBook is an open-source platform for feature flags, A/B testing, and experimentation.
Starting at $0 (self-hosted free)
Visit GrowthBookPostHog
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 PostHogHow Do GrowthBook and PostHog Compare on Features?
| Feature | GrowthBook | PostHog |
|---|---|---|
| Pricing model | freemium | freemium |
| Starting price | $0 (self-hosted free) | $0 (usage-based after 1M events) |
| Feature flags | ✓ | ✓ |
| A/B testing | ✓ | ✓ |
| Statistical analysis | ✓ | — |
| SDKs for all languages | ✓ | — |
| Self-hostable | ✓ | — |
| Visual editor | ✓ | — |
| Product analytics | — | ✓ |
| Session recording | — | ✓ |
| Surveys | — | ✓ |
| Data warehouse | — | ✓ |
GrowthBook Pros and Cons vs PostHog
GrowthBook
PostHog
Should You Use GrowthBook or PostHog?
Choose GrowthBook if…
- •Open source
- •Strong statistics engine
- •Self-hostable for free
Choose PostHog if…
- •Open source
- •All-in-one product suite
- •Generous free tier