{"slug":"best-open-source-product-analytics-for-self-hosting","title":"Best open-source product analytics for self-hosting","question":"What are the best open-source product analytics tools for self-hosting in 2026?","verdict":"As of 2026-08-10, ChatGPT, Claude, Gemini and Grok collectively rank PostHog #1 for open-source product analytics for self-hosting on ModelsAgree by aggregate score. The models' case: The clear category leader for self-hosted product analytics — a genuinely integrated suite (funnels, retention, cohorts, paths, feature flags, experiments, session. The models' main caveat: PostHog itself now steers users to Cloud and only supports the Docker self-host for small volumes (roughly <100k events/month). The strongest alternative is Countly — The most turnkey self-hosted product analytics after PostHog, with a mature Community Edition, strong mobile/SDK instrumentation, crash reporting. Not unanimous: ChatGPT picks OpenPanel. Source: https://modelsagree.com/best/best-open-source-product-analytics-for-self-hosting (modelsagree.com, CC BY 4.0).","category":"Analytics","url":"https://modelsagree.com/best/best-open-source-product-analytics-for-self-hosting","updated":"2026-08-10","models":["ChatGPT","Claude","Gemini","Grok"],"consensus":"3 of 4 models rank PostHog the top pick","disagreement":"ChatGPT picks OpenPanel","combined":[{"rank":1,"product":"PostHog","domain":"posthog.com","score":19,"appearances":4,"modelRanks":{"ChatGPT":2,"Claude":1,"Gemini":1,"Grok":1},"reason":"The clear category leader for self-hosted product analytics — a genuinely integrated suite (funnels, retention, cohorts, paths, feature flags, experiments, session replay, and a SQL layer over ClickHouse) that matches Amplitude/Mixpanel feature-for-feature while remaining MIT/open-source; strong SDK coverage and autocapture lower instrumentation cost for small teams."},{"rank":2,"product":"Countly","domain":null,"score":10,"appearances":3,"modelRanks":{"ChatGPT":4,"Claude":2,"Gemini":2},"reason":"The most turnkey self-hosted product analytics after PostHog, with a mature Community Edition, strong mobile/SDK instrumentation, crash reporting, funnels, retention, and user profiles — a good fit for app-centric teams that want product metrics without building a warehouse pipeline."},{"rank":3,"product":"OpenPanel","domain":null,"score":9,"appearances":2,"modelRanks":{"ChatGPT":1,"Grok":2},"reason":"Best self-hosting balance: full AGPL product, straightforward Docker deployment, ClickHouse scale, funnels, retention, profiles, revenue, dashboards, A/B testing, and broad web, mobile, and server SDKs without artificial self-hosted feature limits"},{"rank":4,"product":"OpenReplay","domain":"openreplay.com","score":7,"appearances":3,"modelRanks":{"Claude":5,"Gemini":3,"Grok":3},"reason":"Combines session replay with developer-focused product telemetry like network logs, error tracking, and DOM events for diagnosing complex app flows."},{"rank":5,"product":"Matomo","domain":"matomo.org","score":4,"appearances":2,"modelRanks":{"Claude":4,"Gemini":4},"reason":"The most mature and widely deployed self-hostable open-source analytics, with a large plugin ecosystem, full data ownership, GDPR-friendly defaults, and enough event/goal/funnel tooling (some via paid plugins) to cover lighter product-analytics needs on a simple LAMP stack."},{"rank":6,"product":"Rybbit","domain":null,"score":3,"appearances":1,"modelRanks":{"ChatGPT":3},"reason":"Excellent modern web-product stack with easy deployment, ClickHouse performance, funnels, retention, journeys, identified-user profiles, replay, error tracking, Web Vitals, raw SQL, and strong privacy defaults"},{"rank":7,"product":"Snowplow","domain":null,"score":3,"appearances":1,"modelRanks":{"Claude":3},"reason":"The strongest choice when you want to own your behavioral data end-to-end — a battle-tested, schema-first event collection pipeline that lands clean, validated events in your warehouse (Snowflake/BigQuery/Redshift/Databricks) for unlimited modeling; unmatched for data quality and governance at scale."},{"rank":8,"product":"Umami","domain":"umami.is","score":2,"appearances":2,"modelRanks":{"ChatGPT":5,"Gemini":5},"reason":"Lightweight, polished, privacy-friendly self-hosting with PostgreSQL, custom events, funnels, journeys, cohorts, revenue reporting, dashboards, and now session replay; a near-tie with Countly for small web products and much easier to operate"}],"perModel":{"ChatGPT":[{"rank":1,"product":"OpenPanel","reason":"Best self-hosting balance: full AGPL product, straightforward Docker deployment, ClickHouse scale, funnels, retention, profiles, revenue, dashboards, A/B testing, and broad web, mobile, and server SDKs without artificial self-hosted feature limits","fix":"Smaller and less battle-tested ecosystem than the leaders; not the safest choice for very large or highly regulated enterprises needing mature support"},{"rank":2,"product":"PostHog","reason":"Near-tied for first and clearly deepest analytically, combining autocapture, funnels, cohorts, retention, SQL, replay, experiments, flags, surveys, warehouse integrations, and unusually broad SDK coverage","fix":"Self-hosting is officially unsupported, resource-heavy, limited to free-plan features, and recommended only for modest hobby-scale deployments, so it is not for teams expecting dependable vendor-backed production operation"},{"rank":3,"product":"Rybbit","reason":"Excellent modern web-product stack with easy deployment, ClickHouse performance, funnels, retention, journeys, identified-user profiles, replay, error tracking, Web Vitals, raw SQL, and strong privacy defaults","fix":"Its younger ecosystem and mainly web/Node-oriented instrumentation make it less suitable than OpenPanel or PostHog for mature native-mobile and polyglot products"},{"rank":4,"product":"Countly","reason":"The strongest established mobile-first option, with mature iOS, Android, web, desktop, and server SDKs, real-time behavioral analysis, retention, segmentation, remote configuration, push messaging, and long-running self-hosted deployments","fix":"Many advanced capabilities and serious operational support sit in the paid self-hosted edition, while the open-source Lite experience is less flexible and modern than the leaders"},{"rank":5,"product":"Umami","reason":"Lightweight, polished, privacy-friendly self-hosting with PostgreSQL, custom events, funnels, journeys, cohorts, revenue reporting, dashboards, and now session replay; a near-tie with Countly for small web products and much easier to operate","fix":"Still closer to advanced web analytics than full product intelligence, with thinner identity, experimentation, feature-management, mobile, and data-pipeline capabilities"}],"Claude":[{"rank":1,"product":"PostHog","reason":"The clear category leader for self-hosted product analytics — a genuinely integrated suite (funnels, retention, cohorts, paths, feature flags, experiments, session replay, and a SQL layer over ClickHouse) that matches Amplitude/Mixpanel feature-for-feature while remaining MIT/open-source; strong SDK coverage and autocapture lower instrumentation cost for small teams.","fix":"PostHog itself now steers users to Cloud and only supports the Docker self-host for small volumes (roughly <100k events/month); running the full ClickHouse+Kafka+Redis stack reliably at scale is heavy ops work they no longer officially back."},{"rank":2,"product":"Countly","reason":"The most turnkey self-hosted product analytics after PostHog, with a mature Community Edition, strong mobile/SDK instrumentation, crash reporting, funnels, retention, and user profiles — a good fit for app-centric teams that want product metrics without building a warehouse pipeline.","fix":"The Community Edition is deliberately feature-gated (drill, cohorts, and much of the advanced analytics live behind the paid Enterprise tier), so the \"free\" self-host is materially thinner than the demo suggests."},{"rank":3,"product":"Snowplow","reason":"The strongest choice when you want to own your behavioral data end-to-end — a battle-tested, schema-first event collection pipeline that lands clean, validated events in your warehouse (Snowflake/BigQuery/Redshift/Databricks) for unlimited modeling; unmatched for data quality and governance at scale.","fix":"It is a pipeline, not an analytics app — there's no built-in funnels/retention UI, so you must bring your own BI/modeling layer and engineering to get answers, making it wrong for teams wanting turnkey dashboards."},{"rank":4,"product":"Matomo","reason":"The most mature and widely deployed self-hostable open-source analytics, with a large plugin ecosystem, full data ownership, GDPR-friendly defaults, and enough event/goal/funnel tooling (some via paid plugins) to cover lighter product-analytics needs on a simple LAMP stack.","fix":"It is fundamentally web/session analytics, not event-first product analytics — cohort, retention, and behavioral depth are weak or paywalled, so it disappoints teams needing Amplitude-style product insight."},{"rank":5,"product":"OpenReplay","reason":"Best self-hosted option when the product question is \"why did users behave this way,\" pairing session replay with product-analytics-style funnels, click maps, and issue tracking in one open-source, privacy-controllable stack you fully own.","fix":"Its analytics are replay/UX-centric and shallower than PostHog/Countly on cohorts, retention, and warehouse-grade querying, so it complements rather than replaces a true product-analytics engine."}],"Gemini":[{"rank":1,"product":"PostHog","reason":"Delivers the most complete open-source product analytics suite by integrating event funnels, cohort retention, session replay, feature flags, and A/B testing on a scalable ClickHouse backend. Assumes team prioritizes an all-in-one product telemetry platform.","fix":"High operational complexity and infrastructure footprint requiring dedicated ClickHouse maintenance and DevOps overhead when scaled."},{"rank":2,"product":"Countly","reason":"Tailored specifically for mobile and web product analytics, offering real-time user profiles, event tracking, and granular security controls for self-hosted environments.","fix":"Advanced cohorting, crash analytics, and enterprise reporting plugins are locked behind proprietary paid tiers, limiting the open-source edition."},{"rank":3,"product":"OpenReplay","reason":"Combines session replay with developer-focused product telemetry like network logs, error tracking, and DOM events for diagnosing complex app flows.","fix":"Focused primarily on qualitative session-level troubleshooting rather than macro funnel conversion and cohort retention analytics."},{"rank":4,"product":"Matomo","reason":"Offers a mature, privacy-first analytics suite with custom event tracking, funnels, and heatmaps backed by total data ownership. Near-tied with OpenReplay on enterprise reliability but ranked lower due to legacy web-centric design.","fix":"Traditional pageview-centric architecture makes modern event-stream product analytics and cohort tracking clunky at scale."},{"rank":5,"product":"Umami","reason":"Ultra-lightweight, privacy-focused analytics engine that deploys easily on standard relational databases with minimal maintenance overhead. Assumes simple event tracking is sufficient.","fix":"Lacks true product analytics features like multi-step funnel analysis, user cohort retention, and feature flag integration."}],"Grok":[{"rank":1,"product":"PostHog","reason":"Deepest open-source product analytics (events, funnels, retention, cohorts, paths, SQL) plus native session replay, feature flags, and experiments in one stack; MIT license, active development, strong SDKs, and production self-host path that matches what engineering-led product teams actually ship with","fix":"Resource-heavy self-host (ClickHouse/Kafka stack) that PostHog itself limits to lower volumes and actively steers larger users toward their cloud"},{"rank":2,"product":"OpenPanel","reason":"Clean Mixpanel-style product analytics (funnels, retention, cohorts, user profiles, events) plus web metrics in a single lightweight Docker Compose deploy; AGPL, cookieless by default, self-hosted features identical to cloud, low ops overhead for teams that want ownership without PostHog complexity","fix":"Newer project with smaller community and ecosystem than PostHog; lacks built-in feature flags/experiments"},{"rank":3,"product":"OpenReplay","reason":"Best-in-class self-hosted session replay with strong product","fix":null}]},"missedByModel":{"ChatGPT":[{"product":"Matomo","reason":"exceptionally mature self-hosted web analytics, but product workflows are secondary and several crucial features require paid plugins"},{"product":"Plausible Analytics","reason":"excellent simple privacy-first traffic analytics, but lacks the user-level behavioral depth expected from product analytics"}],"Claude":[{"product":"Plausible / Umami","reason":"excellent lightweight, privacy-first web analytics but not event-based product analytics — no real funnels, cohorts, or retention"},{"product":"RudderStack","reason":"strong open-source CDP/event pipeline, but like Snowplow it routes data rather than providing the analytics UI itself"}],"Gemini":[{"product":"Plausible Analytics","reason":"Outstanding lightweight web analytics tool, but lacks user-level retention matrices and deep product funnel analysis"}]}}