GrowthBook Blog GrowthBook Blog

GrowthBook, Open Source Feature Flagging and Experimentation Platform

Featured

Latest

How Khan Academy Optimizes AI Tutoring with Experimentation

Khan Academy went from vibes-based prompt testing to running A/B experiments on their AI tutor, Khanmigo, in production. Kelli Hill shares the journey, including a fascinating iterative case study on latency vs. math accuracy.

· 5 min read

A/B Testing in the Age of AI

Prolog: Is A/B Testing Here to Stay? In the age of AI, there is a growing debate about how

· 8 min read

AI Evals vs. A/B Testing: Why You Need Both to Ship GenAI

Stop relying on "vibe checks" to ship GenAI. While AI Evals answer "can the model do the job?", only A/B testing answers "do users care?" Discover how to combine offline evaluation with online experimentation to build a reliable pipeline for shipping LLM features.

· 9 min read

7 Steps to Better Experiment Design

Only 10–30% of experiments produce a clear winner — and that’s not a problem, it’s reality. This article shows how high-performing teams design experiments to learn faster and make better decisions, even when results are neutral.

· 4 min read

Want to give GrowthBook a try?

In under two minutes, GrowthBook can be set up and ready for feature flagging and A/B testing, whether you use our cloud or self-host.