analytics
PostHog
Open source product analytics — all-in-one dev tool
OSS product analytics + session replay + feature flags + A/B testing + surveys + error tracking + LLM observability + data warehouse. Self-host or cloud. Pay only for what you use.
Pricing
| Tier | Price | Notes |
|---|---|---|
| Free (generous) | Free | No credit card. Each product has its own free monthly quota. Great for startups + OSS. |
| Paid (usage-based) | Free | Pay only what you use, after free quotas. Volume discounts at higher tiers. 6 projects, 7-year retention. |
| Self-Hosted (OSS) | Free | MIT-licensed. Run on your own infra via Docker/k8s. Zero vendor lock-in. |
| Enterprise | Custom | Custom. SAML SSO, dedicated CSM, custom SLA. |
Limits
| Tier | Metric | Value | Notes |
|---|---|---|---|
| free | data warehouse rows | 1000000 rows/month | Data Warehouse free |
| free | error tracking exceptions | 100000 exceptions/month | Error Tracking free |
| free | feature flags requests | 1000000 requests/month | Feature Flags free |
| free | llm analytics events | 100000 events/month | LLM Analytics free |
| free | logs gb | 50 GB/month | Logs free |
| free | product analytics events | 1000000 events/month | Product Analytics free |
| free | projects | 1 projects | Free projects |
| free | retention years | 1 year | Free retention |
| free | session replay recordings | 5000 recordings/month | Session Replay free |
| free | surveys responses | 1500 responses/month | Surveys free |
| free | team members | unlimited | Free team members |
| paid | data warehouse rate | $0.000015/row (small), $0.000001 (100B+) | DW tier |
| paid | error tracking rate | $0.00037/exception (small), $0.000115 (10M+) | Errors tier |
| paid | feature flags rate | $0.0001/request (10-50M), $0.00001 (50M+) | Feature Flags tier |
| paid | product analytics rate | $0.00005/event (1-2M), $0.000009/event (100M+) | Product Analytics tier |
| paid | session replay rate | $0.005/recording (small), $0.0015 (500K+) | Session Replay tier |
| paid | surveys rate | $0.10/response (small), $0.010 (20K+) | Surveys tier |
Features
- A/B Testing — Experiments with significance analysis.
- Data Pipelines — Export events to BigQuery, Snowflake, S3.
- Data Warehouse — Query external sources (Stripe, Hubspot, S3) alongside events with SQL. · docs
- Error Tracking — Sentry-style error tracking in same platform. · docs
- Feature Flags — Rollout flags with targeting, A/B testing, JSON payloads. · docs
- LLM Analytics — Tracing + cost tracking for OpenAI, Anthropic, Gemini, etc. · docs
- Logs — Centralized log ingest with free 50 GB/month.
- Product Analytics — Events, funnels, trends, retention, paths. SQL insights available. · docs
- Revenue Tracking — Integration with Stripe for revenue + churn metrics.
- Self-Hosting — Docker/Helm. Full feature parity with cloud. · docs
- Session Replay — Watch user sessions. Privacy controls, masked inputs, JS errors. · docs
- SQL Query API — Run ClickHouse SQL over your events via API.
- Surveys — In-app surveys + feedback widgets. · docs
- Workflows — Trigger emails/webhooks on events.
Developer interfaces
| Slug | Name | Kind | Version |
|---|---|---|---|
| sdk-android | posthog-android | sdk | 3.x |
| sdk-flutter | posthog-flutter | sdk | 4.x |
| sdk-go | posthog-go | sdk | 3.x |
| sdk-ios | posthog-ios (Swift) | sdk | 3.x |
| sdk-js | posthog-js | sdk | 2.x |
| mcp | PostHog MCP | mcp | — |
| sdk-node | posthog-node | sdk | 5.x |
| sdk-php | posthog-php | sdk | 3.x |
| sdk-python | posthog-python | sdk | 3.x |
| sdk-react-native | posthog-react-native | sdk | 4.x |
| rest-api | PostHog REST API | rest | v1 |
| sdk-ruby | posthog-ruby | sdk | 3.x |
| webhooks | Webhooks + Actions | other | — |
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