Product Analytics · Vendor file
PostHog
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Open-source, self-hostable; proves the entire category is buildable
Active · verified September 2026
Categories PostHog serves
The B4 Index places PostHog in 2 categories. Each category page lays out the build-versus-buy considerations for that decision.
Product Analytics Primary $0 (self-hosted) to $450+/month (cloud)
PostHog compared
The B4 Index scores every software category on two axes, strategic differentiation and AI feasibility, to
classify it Build, Buy, Bridge, or Beware. Vendor facts here are independent of that call. See the full
methodology.