Amplitude vs PostHog (2026): Which Should You Choose?
Quick Answer
Amplitude is the enterprise-grade product analytics platform with best-in-class behavioral cohorts, predictive analytics, and data governance. PostHog is the startup favorite — open source, self-hostable, with analytics + session replay + feature flags + experiments all in one, at a fraction of the cost. Growing companies often start on PostHog and graduate to Amplitude.
Amplitude
8.9/10
Best for enterprise product analytics
PostHog
9.1/10
Best for startups & open-source teams
Feature Comparison
| Feature | Amplitude | PostHog |
|---|---|---|
| Pricing | Free (10M events/mo); Growth ~$49/mo; Enterprise custom | Free (1M events/mo); then $0.00045/event; self-host free |
| Open Source | No | Yes — MIT license |
| Session Replay | Yes (add-on) | Yes — built-in |
| Feature Flags | Via Amplitude Experiment | Built-in — free |
| A/B Testing | Amplitude Experiment (paid add-on) | Built-in experiments |
| Behavioral Cohorts | Excellent — advanced segmentation | Good — improving |
| Data Governance | Enterprise-grade schema management | Growing — good for smaller teams |
| Best For | Enterprise with 100K+ MAUs, strict data governance | Startups, product engineers, privacy-first teams |
Which do you use?
Who Should Choose What?
Choose Amplitude if:
You are at a growth-stage or enterprise company needing advanced cohort analysis, predictive analytics, and enterprise data governance. Amplitude is the benchmark for deep product analytics at scale.
Choose PostHog if:
You want all-in-one product tooling (analytics + session replay + feature flags + experiments) with no vendor lock-in. PostHog's open-source model and generous free tier make it the default for privacy-conscious startups.
FAQ
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