Compare

OpenPanel vs PostHog

Adds feature flags and built-in session replay, targeting dev-centric product analytics

Which to pick

Pick OpenPanel if you want…

  • Open-source Mixpanel alternative
  • Integrations with Discord or Webhooks (on OpenPanel's list, not PostHog's)

Pick PostHog if you want…

  • Unified product analytics with AI assistance
  • All-in-one product analytics with feature flags
  • Integrations with Stripe, GitHub or Google Ads (on PostHog's list, not OpenPanel's)

Side by side

What it is
OpenPanel:OpenPanel is an open-source web and product analytics platform offering Mixpanel-level features with privacy-first, cookie-less tracking.
PostHog:PostHog is an all-in-one product analytics platform with session replay, error tracking, feature flags and AI-driven insights.
Best for
OpenPanel:Open-source Mixpanel alternative
PostHog:Unified product analytics with AI assistance
Who it’s for
OpenPanel:Product teams, developers and marketers who need self-hosted or cloud analytics without data limits.
PostHog:Product teams and engineers who need analytics, monitoring and automated issue resolution.
Pricing
OpenPanel:Paid
PostHog:Freemium
Plans
OpenPanel:5K events per month $2.50 per month · 100K events per month $20.00 per month · 1.0M events per month $90.00 per month · Self-hosted Free
PostHog:Free $0 · Pay-as-you-go $0 per month · Platform packages $0
Open source
OpenPanel:Yes, 7,080 GitHub stars
PostHog:Yes, 40,071 GitHub stars
Works with
OpenPanel:Slack, Discord, Webhooks
PostHog:Stripe, GitHub, Google Ads, Postgres, HubSpot, Zendesk, Linear, Slack

OpenPanel features

  • Real-time dashboards. Build line charts, funnels, retention curves and Sankey diagrams instantly without SQL.
  • Privacy-first tracking. No cookies, GDPR-compliant, EU-hosted and cookie-less data collection.
  • Session replay. Watch exact user clicks, scrolls and interactions with built-in privacy controls.
  • Revenue & conversion tracking. Attach monetary values to events and monitor conversion rates and A/B variants.
  • AI-native analytics (MCP). Query your data with Claude, Cursor or custom AI agents via a simple API.
  • Webhooks & integrations. Push events to Slack, Discord or any webhook endpoint for automated workflows.
  • Unlimited collaboration. Invite unlimited team members, share dashboards publicly or protect them with passwords.
  • Self-hosted option. Deploy the platform for free with unlimited events on your own infrastructure.

PostHog features

  • Product Analytics. Capture, store and query events with a free tier of 1 M events per month.
  • Session Replay. Record user sessions (5 K free recordings) and surface dead clicks or crashes.
  • Error Tracking. Collect exceptions and stack traces, grouped into actionable issues.
  • Feature Flags & Experiments. Toggle features and run A/B tests with 1 M free flag requests per month.
  • AI Observability. Ask natural-language questions; AI generates diagnostics and pull-request suggestions.
  • Managed Data Warehouse. Store raw events, rows and logs; query via SQL or BI tools.
  • Workflows & Inbox. Automated agents create PRs, prioritize findings and route tickets to GitHub, Zendesk, etc.
  • Integrations. Ingest data from 120+ sources like Stripe, Postgres, HubSpot, Google Ads and more.

OpenPanel vs PostHog FAQ

Is OpenPanel or PostHog free?+

OpenPanel has a free plan (Self-hosted); paid plans start at $2.50/month (5K events per month). PostHog has a free plan and paid plans.

Is OpenPanel or PostHog open source?+

Yes, both are open source: OpenPanel (Openpanel-dev/openpanel on GitHub, AGPL-3.0 license) and PostHog (PostHog/posthog on GitHub).

Do OpenPanel and PostHog integrate with the same tools?+

Partly. Both list Slack. OpenPanel also lists Discord and Webhooks; PostHog also lists Stripe, GitHub, Google Ads, Postgres and 3 more.

On DevHunt

Based on each tool's website and DevHunt data. Details may change; check the official sites.