GrowthBook vs Statsig

Side-by-side from the Top 11 ranking of The 11 Best A/B Testing Tools (2026). Last verified June 13, 2026.

The short answer

Statsig ranks higher on Top 11 (#8 vs #11) for Growth teams running experiments. A developer-first platform with a sophisticated stats engine for running experiments from code.

At a glance

GrowthBookStatsig
Top 11 rank#11 / The 11 Best A/B Testing Tools (2026)#8 / The 11 Best A/B Testing Tools (2026)
Score (out of 9.4)7.47.9
Best forOpen-source testing on your data warehouseDeveloper-first experimentation
Pricing$ (Free to custom)$$ ($150/mo to custom)
HQSan Francisco, USAKirkland, USA
Founded20202021

GrowthBook

An open-source tool that runs on your data warehouse, giving you full data ownership.

www.growthbook.io

See full entry in The 11 Best A/B Testing Tools (2026)

Statsig

A developer-first platform with a sophisticated stats engine for running experiments from code.

www.statsig.com

See full entry in The 11 Best A/B Testing Tools (2026)

Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.