A/B Test Summarizer

Published by Oasis

Experiment result analysis

Reads your experiment results and says what actually happened. It reports the observed difference alongside whether it's distinguishable from noise, and will tell you an underpowered test with a 12% apparent lift is not a win. It checks for the standard traps — peeking, unbalanced assignment, a downstream metric getting worse — then gives one recommendation: ship, kill, or keep running.

Connects with

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  • PostHogPostHogRequired
  • MixpanelMixpanelRequired
  • Google SheetsGoogle SheetsRequired
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Skills it ships with

Xlsx

How it runs

Foundation
OpenAI Agents
Model
GPT-5.6 Terra
Reasoning
Medium effort
Per run
Up to 30 turns
Memory
Off
Browsing
Off
Category
Sales & Marketing
  • Experiments
  • Analytics
  • Growth

Frequently asked questions

How does A/B Test Summarizer distinguish lift from random noise?

It reports the observed difference alongside whether the result is distinguishable from noise, rather than treating an apparent lift as a win.

Will A/B Test Summarizer call out an underpowered test with a large apparent lift?

Yes. It explicitly warns when a 12% apparent lift comes from an underpowered test.

Which experiment validity traps does A/B Test Summarizer check?

It checks peeking, unbalanced assignment and downstream metrics getting worse before recommending a decision.

What decision does A/B Test Summarizer make after reviewing an experiment?

It gives one recommendation: ship, kill or keep running.

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Put A/B Test Summarizer to work today

Add it to your Oasis, review its setup, and hand it the first task.