PostHog vs Statsig: Feature Flags Comparison (2026)
PostHog is suitable for users who prioritize a generous free tier with a usage-based pricing model and robust analytics features. Statsig is suitable for users needing advanced experimentation, warehouse-native deployment, and a predictable monthly cost.
AI Citation Scorecard
How often each is cited by major AI engines when buyers ask feature flags questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
- ✓Generous free tier
- ✓Usage-based pricing
- ✓Unlimited team members
- ✓Community support
- ✓2M events/month
- ✓Unlimited flag & config checks
- ✓100,000 session replays/month
- ✓1-year analytics retention
- ✓Advanced experimentation
- ✓API controls
- ✓Priority support
- ✓Warehouse native deployment
When to choose PostHog
You need a generous free tier, robust analytics, and are comfortable with usage-based pricing that could be complex to estimate at scale. You can also benefit from community support.
When to choose Statsig
You require advanced experimentation, warehouse-native deployment, a fixed monthly cost starting at $150/month, and integrate with data warehouses like Snowflake or BigQuery. You also prioritize priority support.