Openobserve vs PostHog
In-depth comparison of features, pricing structures, speed benchmarks, and team seat cost differentials for small businesses and SaaS founders.
Openobserve
Open source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment. (22,581+ GitHub stars).
PostHog
PostHog combines product analytics, heatmaps, session recording, feature flags, A/B testing, and user surveys into an open-source platform.
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Interactive Team Savings Calculator
Adjust your team size to estimate monthly and annual cost differences.
Note: Pricing calculates base published tiers with per-seat adjustments where applicable.
Estimated Annual Savings: $900
You save roughly 100% every year switching to Openobserve.
Direct Feature Comparison
Detailed side-by-side capabilities and infrastructure support.
| Feature Specification | Openobserve | PostHog |
|---|---|---|
| Flat-Rate Small Business Pricing pricing | Supported 100% free & open-source | Not Available |
| Full API & Webhooks developer | Supported Full source & API access | Not Available |
| Self-Hostable / Open Source infrastructure | Supported Open Source (AGPL-3.0) repository | Supported Open source core, self-hostable |
Verified Pricing Breakdown
Official published tiers for Openobserve and PostHog.
Openobserve Plans Verified
Free / Open Source
monthly
PostHog Plans Verified
Free (1M events/mo)
monthly
Starter Scale
monthly
Growth Tier
monthly
Frequently Asked Questions
Key differences and migration facts small business owners and founders ask about.
What is the main difference between Openobserve and PostHog?
Openobserve is an independent, agility-focused tool that emphasizes "Open source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO an", whereas PostHog is an agile indie solution designed around "The single platform for product analytics, session replay & feature flags".
Which is more affordable: Openobserve or PostHog?
Pricing depends on your team structure. Openobserve offers pricing starting at $0, while PostHog starts at $0. For small businesses and growing teams, agile tools typically reduce total expenditure by 60% to 80%.
Does Openobserve offer a free tier?
Yes, Openobserve provides a free tier or free plan for small businesses, teams, and solo founders.
Why do small businesses and SaaS founders switch from PostHog to Openobserve?
Teams switch to Openobserve to eliminate enterprise seat bloat, gain faster workflow speed, benefit from transparent pricing without sales calls, and maintain full data ownership.
Ready to test Openobserve?
Try Openobserve today and experience why modern fast-moving founders and small businesses are leaving bloated legacy suites behind.