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Guild AI vs PostHog
People
Price
Free
Usage-based
Experiment Tracking
Annual estimate10 people, entry price
Free
Usage-based
Offer
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$50,000 in credits
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Experiment Tracking
Overview
Focus
Experiment Tracking
Product Analytics
Product
Open-source experiment tracking system for ML engineers that doesn't require code changes to existing scripts.
PostHog is an open-source, all-in-one product analytics platform offering event analytics, session replay, feature flags, A/B testing, and a customer data platform with transparent usage-based pricing.
Headquarters
Chicago, Illinois
San Francisco, California
Company size
2-10 employees
51-200 employees
Founded
2018
2020
Pricing details
Published rate
Free
Usage-based
Free options
Free plan, Free trial
Free plan, Free trial
Source updated
Oct 29, 2026
Oct 29, 2026