Amplitude vs PostHog: Analytics Comparison (2026)
Amplitude and PostHog both offer product analytics with free tiers. Amplitude provides a free tier with 10K MTUs and up to 2M events, while PostHog offers a free tier with 1M events/month for product analytics, 5K recordings/month for session replay, 1M requests/month for feature flags, and 1M rows/month for its managed warehouse. Amplitude includes unlimited feature flags and web experimentation, which are not listed as included in PostHog's free offering. PostHog emphasizes usage-based pricing and direct access without sales calls, while Amplitude offers customizable plans for larger businesses, requiring sales contact for enterprise.
AI Citation Scorecard
How often each is cited by major AI engines when buyers ask analytics 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
- ✓10K MTUs, up to 2M events
- ✓Out-of-the-box analytics and templates
- ✓Session Replay
- ✓Unlimited feature flags
- ✓Web Experimentation
- ✓AI Feedback
- ✓Unlimited sources and destinations
- ✓Access to community and academy
- ✓Product Analytics: 1M events/mo free
- ✓Session Replay: 5K recordings/mo free
- ✓Feature Flags: 1M requests/mo free
- ✓Managed Warehouse: 1M rows/mo free
- ✓Usage-based pricing
- ✓No sales calls required
- ✓Generous free tiers
- ✓Single source of truth for customers
When to choose Amplitude
Amplitude is suitable for users who need a generous free tier for individuals and solid features for small teams, benefiting from user behavior analytics, customizable plans for larger businesses, and features like unlimited feature flags and web experimentation.
When to choose PostHog
PostHog is suitable for users looking for transparent, usage-based pricing, strong AI capabilities, and an easy-to-get-started free option, particularly for data and product teams. It is also beneficial for those who want a single source of truth for customers and specific free allowances for session replay, feature flags, and a managed warehouse.